ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืื•ื ื˜ืขืจื˜ืขื ื™ืง ืฆื• ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ - ืึทืŸ ืื™ื‘ืขืจื‘ืœื™ืง

ื–ืฉื•ืจื ืึทืœ: ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ 16 (2009) 45-59
ืžื—ื‘ืจื™ื: Robin Alastair Amy, Guglielmo S. Aglietti (E- ืคึผืึธืกื˜: [ืื™ืžืขื™ืœ ื‘ืืฉื™ืฆื˜]), and Guy Richardson
ืžื—ื‘ืจื™ื ืึทืคื™ืœื™ื™ื™ืฉืึทื ื–: ืึทืกื˜ืจืึธื ืึทื•ื˜ื™ืงืึทืœ ืคืึธืจืฉื•ื ื’ ื’ืจื•ืคืข, ืื•ื ื™ื•ื•ืขืจืกื™ื˜ืขื˜ ืคื•ืŸ ืกืึธื•ื˜ื”ืึทืžืคึผื˜ืึธืŸ, ืฉื•ืœืข ืคื•ืŸ โ€‹โ€‹ืื™ื ื–ืฉืขื ื™ืจื™ืข ืกืกื™ืขื ืกืขืก, ืกืึธื•ื˜ื”ืึทืžืคึผื˜ืึธืŸ, ื•ืง
ืกืขืจื™ ืกืึทื˜ืขืœื™ื˜ ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืœื™ืžื™ื˜ืขื“, Guildford, ืกืขืจื™, ื•ืง

ืงืึทืคึผื™ืจื™ื™ื˜ 2009 Hindawi Publishing Corporation. ื“ืึธืก ืื™ื– ืึทืŸ ืึธืคึฟืŸ ืึทืงืกืขืก ืึทืจื˜ื™ืงืœ ืคื•ื ืื ื“ืขืจื’ืขื˜ื™ื™ืœื˜ ืื•ื ื˜ืขืจ ื“ื™ Creative Commons ืฆื•ืฉืจื™ื™ื‘ืŸ ืœื™ืกืขื ืกืข, ื•ื•ืึธืก ื“ืขืจืœื•ื™ื‘ื˜ ืึทื ืจื™ืกื˜ืจื™ืงื˜ื™ื“ ื ื•ืฆืŸ, ืคืึทืจืฉืคึผืจื™ื™ื˜ื•ื ื’ ืื•ืŸ ืจืขืคึผืจืึธื“ื•ืงืฆื™ืข ืื™ืŸ ืงื™ื™ืŸ ืžื™ื˜ืœ, ืื•ื™ื‘ ื“ื™ ืึธืจื™ื’ื™ื ืขืœ ื•ื•ืขืจืง ืื™ื– ืจืขื›ื˜ ืฆื™ื˜ื™ืจื˜.

ืึทื ืึธื˜ืึทืฆื™ืข. ืื™ืŸ ื“ืขืจ ืฆื•ืงื•ื ืคึฟื˜, ืขืก ืื™ื– ื“ืขืจื•ื•ืึทืจื˜ ืึทื– ืึทืœืข ืžืึธื“ืขืจืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ื•ื•ืขื˜ ื”ืึธื‘ืŸ ื™ื ืงืจื™ืกื™ื ื’ ืคืึทื ื’ืงืฉืึทื ืึทืœื™ื˜ื™ ืื•ืŸ ื”ืึทืœื˜ืŸ ื“ื™ ืคื™ื™ื™ืงื™ื™ื˜ ืฆื• ื•ื•ื™ื˜ืกื˜ืึทื ื“ ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืœืึธื•ื“ื–. ื“ืขืจ ืคึผืจืึธืฆืขืก ืคื•ืŸ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืื™ื– ืฉื•ื•ืขืจ ืจืขื›ื˜ ืฆื• ื“ืขืจ ืงืึธืžืคึผืœืขืงืก ืขื ื˜ืคืขืจ ืื•ืŸ ื“ื•ืจื›ืคืึทืœ ืงืขืจืึทืงื˜ืขืจื™ืกื˜ื™ืงืก ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜, ืึทื–ื•ื™ ื“ืขืจื•ื•ื™ื™ึทืœ ื™ื’ื–ื™ืกื˜ื™ื ื’ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ืึท ืงืึธืžืคึผืจืึธืžื™ืก ืฆื•ื•ื™ืฉืŸ ื›ืขื–ืฉื‘ืŸ ืึทืงื™ืขืจืึทืกื™ ืื•ืŸ ืคึผืจื™ื™ึทื–.
ืคืึทืจืœืึธื–ืœืขืš ืื•ืŸ ื’ื™ืš ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ืคื•ืŸ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ื•ื•ืขืŸ ืึทืคึผืขืจื™ื™ื˜ื™ื ื’ ืื•ื ื˜ืขืจ ื“ื™ื ืึทืžื™ืฉ ืœืึธื•ื“ื– ืื™ื– ื–ื™ื™ืขืจ ื•ื•ื™ื›ื˜ื™ืง ืคึฟืึทืจ ืื™ื ื“ื•ืกื˜ืจื™ืข. ื“ืขืจ ืึทืจื˜ื™ืงืœ ื•ื•ื™ื™ื–ื˜ ืคึผืจืึธื‘ืœืขืžืก ืื™ืŸ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ื•ื•ืึธืก ืคึผืึทืžืขืœืขืš ื“ื™ ืจืขื–ื•ืœื˜ืึทื˜ืŸ. ืขืก ื–ืึธืœ ืื•ื™ืš ื–ื™ื™ืŸ ื’ืขื ื•ืžืขืŸ ืื™ืŸ ื—ืฉื‘ื•ืŸ ืึทื– ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืžืึธื“ืขืœ ืื™ื– ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ื’ืขื‘ื•ื™ื˜ ืžื™ื˜ ืึท ื‘ืจื™ื™ื˜ ืงื™ื™ื˜ ืคื•ืŸ ื•ื™ืกืจื™ื›ื˜ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทื ื– ืคึฟืึทืจ ืึท ื ื•ืžืขืจ ืคื•ืŸ ืขื ืœืขืš ืงืึทืžืคึผืึธื•ื ืึทื ืฅ. ืคื™ืจ ืงืœืืกืŸ ืคื•ืŸ ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื– ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ (ืจืขืคึฟืขืจืขื ืฅ ืžืขื˜ื”ืึธื“ืก, ืคึผืจื•ื‘ื™ืจืŸ ื“ืึทื˜ืŸ, ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ืื•ืŸ ืžืึธื“ืขืœื™ื ื’ ืคื•ืŸ ื’ืฉืžื™ื•ืช ืกื™ื‘ื•ืช ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ - ืคื™ื–ื™ืง ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ) ื–ืขื ืขืŸ ืงืึทืžืคึผืขืจื“ ืื™ืŸ ื“ืขื ืึทืจื˜ื™ืงืœ ืฆื• ืื•ื™ืกืงืœื™ื™ึทื‘ืŸ ื“ื™ ืžืขื’ืœืขื›ืงื™ื™ื˜ ืคื•ืŸ ื ื™ืฆืŸ ืื™ื™ืŸ ืึธื“ืขืจ ืื ื“ืขืจืŸ ืื•ืคึฟืŸ. ืขืก ืื™ื– ื‘ืืžืขืจืงื˜ ืึทื– ืจื•ื‘ึฟ ืคื™ื™ืœื™ืขืจื– ืื™ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ื–ืขื ืขืŸ ื’ืขืคึฟื™ืจื˜ ื“ื•ืจืš ื˜ืขืจืžืึทืœ ืœืึธื•ื“ื–, ืึธื‘ืขืจ ื“ื™ ืจืขืฆืขื ื–ื™ืข ืคืึธื•ืงื™ืกื™ื– ืื•ื™ืฃ ืคื™ื™ืœื™ืขืจื– ื’ืขืคึฟื™ืจื˜ ื“ื•ืจืš ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ื‘ืขืฉืึทืก ืึธืคึผืขืจืึทืฆื™ืข.

ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืื•ื ื˜ืขืจื˜ืขื ื™ืง ืฆื• ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ - ืึทืŸ ืื™ื‘ืขืจื‘ืœื™ืง

ืื™ื‘ืขืจื–ืขืฆืขืจ'ืก ื ืึธื˜ื™ืฅ. ื“ืขืจ ืึทืจื˜ื™ืงืœ ืื™ื– ืึท ืจืขืฆืขื ื–ื™ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ืœื™ื˜ืขืจืึทื˜ื•ืจ ืื•ื™ืฃ ื“ืขื ื˜ืขืžืข. ื˜ืจืึธืฅ ื–ื™ื™ึทืŸ ืœืขืคื™ืขืจืขืš ืขืœื˜ืขืจ, ืขืก ืกืขืจื•ื•ืขืก ื•ื•ื™ ืึท ื•ื™ืกื’ืขืฆื™ื™ื›ื ื˜ ื”ืงื“ืžื” ืฆื• ื“ื™ ืคึผืจืึธื‘ืœืขื ืคื•ืŸ ืึทืกืกืขืกืก ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื ื™ืฆืŸ ืคืึทืจืฉื™ื“ืŸ ืžืขื˜ื”ืึธื“ืก.

1. ื˜ืขืจืžื™ื ืึธืœืึธื’ื™ืข

BGA Ball Grid Array.
ื˜ื•ื ืงืขืŸ ืฆื•ื•ื™ื™ืขื ื“ื™ืง ืื™ืŸ-ืฉื•ืจื” ืคึผืจืึทืกืขืกืขืจ, ืžืืœ ื‘ืืงืื ื˜ ื•ื•ื™ ื“ื•ืึทืœ ืื™ืŸ-ืฉื•ืจื” ืคึผืึทืงืงืึทื’ืข.
FE ืขื ื“ืœืขืš ืขืœืขืžืขื ื˜.
PGA Pin Grid Array.
ืคึผืงื‘ ืคึผืจื™ื ื˜ืขื“ ืงืจื™ื™ึทื– ื‘ืึธืจื“, ืžืืœ ื‘ืืงืื ื˜ ื•ื•ื™ ืึท ืคึผื•ื•ื‘ (ืคึผืจื™ื ื˜ืขื“ ื•ื•ื™ื™ืจื™ื ื’ ื‘ืึธืจื“).
PLCC ืคึผืœืึทืกื˜ื™ืง ืœื™ื“ื™ื“ ื˜ืฉื™ืคึผ ืงืึทืจื™ืขืจ.
PTH ืคึผืœืึทื˜ืขื“ ื“ื•ืจืš ืœืึธืš, ืžืืœ ื‘ืืงืื ื˜ ื•ื•ื™ ืฉืคึผื™ืœืงืข ื“ื•ืจืš ืœืึธืš.
QFP Quad Flat Pack โ€” also known as gull wing.
ืกืžืึท ืคืึธืจืขื ื–ื›ึผืจื•ืŸ ืึทืœื•ื™ื–.
ืกืžื˜ ื™ื™ื‘ืขืจืคืœืึทืš ื‘ืืจื’ ื˜ืขื›ื ืึธืœืึธื’ื™ืข.

ื‘ืึทืžืขืจืงื•ื ื’ ืคื•ืŸ ืึธืจื™ื’ื™ื ืขืœ ืžื—ื‘ืจื™ื: ืื™ืŸ ื“ืขื ืึทืจื˜ื™ืงืœ, ื“ืขืจ ื˜ืขืจืžื™ืŸ "ืงืึธืžืคึผืึธื ืขื ื˜" ืจืขืคืขืจืก ืฆื• ืึท ืกืคึผืขืฆื™ืคื™ืฉ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืžื™ื˜ืœ ื•ื•ืึธืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ืกืึทื“ืขืจื“ ืฆื• ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜, ื“ืขืจ ื˜ืขืจืžื™ืŸ "ืคึผืขืงืœ" ืจืขืคืขืจืก ืฆื• ืงื™ื™ืŸ ืงืึธืžืคึผืึธื ืขื ื˜ ืคื•ืŸ ืึท ื™ื ืึทื’ืจื™ื™ื˜ื™ื“ ืงืจื™ื™ึทื– (ื˜ื™ืคึผื™ืงืœื™ ืงื™ื™ืŸ ืกืžื˜ ืึธื“ืขืจ ื˜ื•ื ืงืขืŸ ืงืึธืžืคึผืึธื ืขื ื˜). ื“ืขืจ ื˜ืขืจืžื™ืŸ "ืึทื˜ืึทื˜ืฉื˜ ืงืึธืžืคึผืึธื ืขื ื˜" ืจืขืคืขืจืก ืฆื• ืงื™ื™ืŸ ืงืึทืžื‘ื™ื™ื ื“ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ ืึธื“ืขืจ ืงืึธืžืคึผืึธื ืขื ื˜ ืกื™ืกื˜ืขื, ืขืžืคืึทืกื™ื™ื–ื™ื ื’ ืึทื– ื“ื™ ืึทื˜ืึทื˜ืฉื˜ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื”ืึธื‘ืŸ ื–ื™ื™ืขืจ ืื™ื™ื’ืŸ ืžืึทืกืข ืื•ืŸ ืกื˜ื™ืคื ืึทืก. (ืงืจื™ืกื˜ืึทืœ ืคึผืึทืงืงืึทื’ื™ื ื’ ืื•ืŸ ื–ื™ื™ึทืŸ ืคึผืจืึทืœ ืื•ื™ืฃ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื–ืขื ืขืŸ ื ื™ืฉื˜ ื“ื™ืกืงืึทืกื˜ ืื™ืŸ ื“ืขื ืึทืจื˜ื™ืงืœ, ืึทื–ื•ื™ ื“ืขืจ ื˜ืขืจืžื™ืŸ "ืคึผืขืงืœ" ืงืขื ืขืŸ ื–ื™ื™ืŸ ื‘ืืžืขืจืงื˜ ื•ื•ื™ ืึท "ืคืึทืœ" ืคื•ืŸ ืื™ื™ืŸ ืึธื“ืขืจ ืื ื“ืขืจืŸ ื˜ื™ืคึผ - ื‘ืขืขืจืขืš ืื™ื‘ืขืจื–ืขืฆื•ื ื’.)

2. ื“ืขืจืงืœืขืจื•ื ื’ ืคื•ืŸ ื“ื™ ืคึผืจืึธื‘ืœืขื

ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืœืึธื•ื“ื– ื™ืžืคึผืึธื•ื–ื“ ืื•ื™ืฃ ืึท ืคึผืงื‘ ื’ืจื•ื ื˜ ื“ืจื•ืง ืื•ื™ืฃ ื“ื™ ืคึผืงื‘ ืกืึทื‘ืกื˜ืจื™ื™ื˜, ืงืึธืžืคึผืึธื ืขื ื˜ ืคึผืึทืงืึทื“ื–ืฉืึทื–, ืงืึธืžืคึผืึธื ืขื ื˜ ื˜ืจืึทืกืขืก ืื•ืŸ ืกืึทื“ืขืจ ื“ื–ืฉื•ื™ื ืฅ. ื“ื™ ืกื˜ืจืขืกืึทื– ื–ืขื ืขืŸ ื’ืขืคึฟื™ืจื˜ ื“ื•ืจืš ืึท ืงืึธืžื‘ื™ื ืึทืฆื™ืข ืคื•ืŸ โ€‹โ€‹ื‘ืขื ื“ื™ื ื’ ืžืึธื•ืžืึทื ืฅ ืื™ืŸ ื“ื™ ืงืจื™ื™ึทื– ื‘ืจืขื˜ ืื•ืŸ ื“ื™ ืžืึทืกืข ื™ื ืขืจืฉืึท ืคื•ืŸ ื“ื™ ืงืึธืžืคึผืึธื ืขื ื˜. ืื™ืŸ ืึท ืขืจื’ืกื˜-ืคืึทืœ ืกืฆืขื ืึทืจ, ื“ื™ ืกื˜ืจืขืกืึทื– ืงืขื ืขืŸ ืึธื ืžืึทื›ืŸ ืื™ื™ื ืขืจ ืคื•ืŸ ื“ื™ ืคืืœื’ืขื ื“ืข ื“ื•ืจื›ืคืึทืœ ืžืึธื“ืขืก: ืคึผืงื‘ ื“ืขืœืึทืžื™ื ืึทื˜ื™ืึธืŸ, ืกืึทื“ืขืจ ืฉืœืึธืก ื“ื•ืจื›ืคืึทืœ, ืคื™ืจืŸ ื“ื•ืจื›ืคืึทืœ ืึธื“ืขืจ ืงืึธืžืคึผืึธื ืขื ื˜ ืคึผืขืงืœ ื“ื•ืจื›ืคืึทืœ. ืื•ื™ื‘ ืื™ื™ื ืขืจ ืคื•ืŸ ื“ื™ ื“ื•ืจื›ืคืึทืœ ืžืึธื“ืขืก ืึทืงืขืจื–, ื’ืึทื ืฅ ื“ื•ืจื›ืคืึทืœ ืคื•ืŸ ื“ื™ ืžื™ื˜ืœ ื•ื•ืขื˜ ืจื•ื‘ึฟ ืžืกืชึผืžื ื ืึธื›ืคืึธืœื’ืŸ. ื“ืขืจ ื“ื•ืจื›ืคืึทืœ ืžืึธื“ืข ื™ืงืกืคึผื™ืจื™ืึทื ืกื˜ ื‘ืขืฉืึทืก ืึธืคึผืขืจืึทืฆื™ืข ื“ืขืคึผืขื ื“ืก ืื•ื™ืฃ ื“ื™ ื˜ื™ืคึผ ืคื•ืŸ ืคึผืึทืงืงืึทื’ื™ื ื’, ื“ื™ ืคึผืจืึธืคึผืขืจื˜ื™ืขืก ืคื•ืŸ ื“ื™ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜, ื•ื•ื™ ื’ืขื–ื•ื ื˜ ื•ื•ื™ ื“ื™ ืึธืคื˜ืงื™ื™ึทื˜ ืื•ืŸ ืึทืžืคึผืœื™ื˜ื•ื“ ืคื•ืŸ ื‘ืขื ื“ื™ื ื’ ืžืึธื•ืžืึทื ืฅ ืื•ืŸ ื™ื ืขืจื˜ื™ืึทืœ ืคืึธืจืกืขืก. ืคึผืึทืžืขืœืขืš ืคึผืจืึธื’ืจืขืก ืื™ืŸ ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืื™ื– ืจืขื›ื˜ ืฆื• ื“ื™ ืคื™ืœืข ืงืึทืžื‘ืึทื ื™ื™ืฉืึทื ื– ืคื•ืŸ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ืกื™ื‘ื•ืช ืื•ืŸ ื“ื•ืจื›ืคืึทืœ ืžืึธื“ืขืก ื•ื•ืึธืก ืื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• ื‘ืึทื˜ืจืึทื›ื˜ืŸ.

ื“ื™ ืจืขืฉื˜ ืคื•ืŸ ื“ืขื ืึธืคึผื˜ื™ื™ืœื•ื ื’ ื•ื•ืขื˜ ืคึผืจื•ื‘ื™ืจืŸ ืฆื• ื“ืขืจืงืœืขืจืŸ ื“ื™ ืฉื•ื•ืขืจื™ืงื™ื™ื˜ ืคื•ืŸ ืงืึทื ืกื™ื“ืขืจื™ื ื’ ืคืึทืจืฉื™ื“ืขื ืข ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ืกื™ื‘ื•ืช ืกื™ื™ืžืึทืœื˜ื™ื™ื ื™ืึทืกืœื™.

ื“ืขืจ ืขืจืฉื˜ืขืจ ืงืึทืžืคึผืœืึทืงื™ื™ื˜ื™ื ื’ ืคืึทืงื˜ืึธืจ ืฆื• ื‘ืึทื˜ืจืึทื›ื˜ืŸ ืื™ื– ื“ื™ ื‘ืจื™ื™ื˜ ืงื™ื™ื˜ ืคื•ืŸ ืคึผืขืงืœ ื˜ื™ื™ืคึผืก ื‘ื ื™ืžืฆื ืื™ืŸ ืžืึธื“ืขืจืŸ ืขืœืขืงื˜ืจืึธื ื™ืง, ื•ื•ื™ื™ึทืœ ื™ืขื“ืขืจ ืคึผืขืงืœ ืงืขืŸ ืคืึทืจืœืึธื–ืŸ ืคึฟืึทืจ ืคืึทืจืฉื™ื“ืขื ืข ืกื™ื‘ื•ืช. ืฉื•ื•ืขืจ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื–ืขื ืขืŸ ืžืขืจ ืกืึทืกืขืคึผื˜ืึทื‘ืึทืœ ืฆื• ื™ื ืขืจื˜ื™ืึทืœ ืœืึธื•ื“ื–, ื‘ืฉืขืช ื“ื™ ืขื ื˜ืคืขืจ ืคื•ืŸ ืกืžื˜ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื™ื– ืžืขืจ ืึธืคืขื ื’ื™ืง ืื•ื™ืฃ ื“ื™ ืงืขืจื•ื•ืึทื˜ืฉืขืจ ืคื•ืŸ ื“ื™ ืงืจื™ื™ึทื– ื‘ืจืขื˜. ื•ื•ื™ ืึท ืจืขื–ื•ืœื˜ืึทื˜, ืจืขื›ื˜ ืฆื• ื“ื™ ื™ืงืขืจื“ื™ืง ื“ื™ืคืขืจืึทื ืกื™ื–, ื“ื™ ื˜ื™ื™ืคึผืก ืคื•ืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื”ืึธื‘ืŸ ืœืึทืจื’ืขืœื™ ืคืึทืจืฉื™ื“ืขื ืข ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ืžืึทืกืข ืึธื“ืขืจ ื’ืจื™ื™ืก. ื“ืขื ืคึผืจืึธื‘ืœืขื ืื™ื– ื ืึธืš ื™ื’ื–ืึทืกืขืจื™ื™ื˜ื™ื“ ื“ื•ืจืš ื“ื™ ืงืขืกื™ื™ื“ืขืจื“ื™ืง ื™ืžืขืจื“ื–ืฉืึทื ืก ืคื•ืŸ ื ื™ื™ึท ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื‘ื ื™ืžืฆื ืื•ื™ืฃ ื“ื™ ืžืึทืจืง. ื“ืขืจื™ื‘ืขืจ, ื™ืขื“ืขืจ ืคึผืจืึธืคึผืึธืกืขื“ ืคืึทืจืœืึธื–ืœืขืš ืคึผืจืึธื’ื ืึธื– ืื•ืคึฟืŸ ืžื•ื–ืŸ ืึทื“ืึทืคึผื˜ ืฆื• ื ื™ื™ึทืข ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื™ืŸ ืกื“ืจ ืฆื• ื”ืึธื‘ืŸ ืงื™ื™ืŸ ืคึผืจืึทืงื˜ื™ืฉ ืึทืคึผืœืึทืงื™ื™ืฉืึทืŸ ืื™ืŸ ื“ืขืจ ืฆื•ืงื•ื ืคึฟื˜. ื“ืขืจ ืขื ื˜ืคืขืจ ืคื•ืŸ ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ ืฆื• ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืื™ื– ื‘ืืฉืœืืกืŸ ื“ื•ืจืš ื“ื™ ืกื˜ื™ืคื ืึทืก ืื•ืŸ ืžืึทืกืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ื•ื•ืึธืก ื”ืฉืคึผืขื” ืื•ื™ืฃ ื“ื™ ื”ื™ื’ืข ืขื ื˜ืคืขืจ ืคื•ืŸ ื“ื™ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜. ืขืก ืื™ื– ื‘ืืงืื ื˜ ืึทื– ื“ื™ ื›ืขื•ื•ื™ืึทืกื˜ ืึธื“ืขืจ ื’ืจืขืกื˜ืขืจ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื‘ืื˜ื™ื™ื˜ื™ืง ื˜ื•ื™ืฉืŸ ื“ื™ ื‘ืึธืจื“ ืก ืขื ื˜ืคืขืจ ืฆื• ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืื™ืŸ ื“ื™ ืขืจื˜ืขืจ ื•ื•ื• ื–ื™ื™ ื–ืขื ืขืŸ ืื™ื ืกื˜ืึทืœื™ืจืŸ. ืคึผืงื‘ ืžืขื˜ืฉืึทื ื™ืงืึทืœ ืคึผืจืึธืคึผืขืจื˜ื™ืขืก (ื™ื•ื ื’ ืก ืžืึธื“ื•ืœื•ืก ืื•ืŸ ื’ืจืขื‘) ืงืขื ืขืŸ ื•ื•ื™ืจืงืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืื™ืŸ ื•ื•ืขื’ืŸ ื•ื•ืึธืก ื–ืขื ืขืŸ ืฉื•ื•ืขืจ ืฆื• ืคืึธืจื•ื™ืกื–ืึธื’ืŸ.

ื ืกื˜ื™ืคืขืจ ืคึผืงื‘ ืงืขืŸ ืจืขื“ื•ืฆื™ืจืŸ ื“ื™ ืงื•ื™ืœืขืœื“ื™ืง ืขื ื˜ืคืขืจ ืฆื™ื™ื˜ ืคื•ืŸ ื“ื™ ืคึผืงื‘ ืื•ื ื˜ืขืจ ืžืึทืกืข, ืึธื‘ืขืจ ืื™ืŸ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืฆื™ื™ื˜, ืขืก ืงืขืŸ ืึทืงืฉืœื™ ืœืึธื•ืงืึทืœื™ ืคืึทืจื’ืจืขืกืขืจืŸ ื“ื™ ื‘ืขื ื“ื™ื ื’ ืžืึธื•ืžืึทื ืฅ ื’ืขื•ื•ืขื ื“ื˜ ืฆื• ื“ื™ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ (ืึทื“ื“ื™ืฉืึทื ืึทืœื™, ืคึฟื•ืŸ ืึท ื˜ืขืจืžืึทืœ ื™ื ื“ื•ืกื˜ ื“ื•ืจื›ืคืึทืœ ืคึผืขืจืกืคึผืขืงื˜ื™ื•ื•, ืขืก ืื™ื– ืึทืงืฉืœื™ ื‘ื™ืœื›ืขืจ ืฆื• ืกืคึผืขืฆื™ืคื™ืฆื™ืจืŸ ืึท ืžืขืจ ืงืึทืžืคึผืึทื˜ืึทื‘ืึทืœ ืคึผืงื‘, ื•ื•ื™ื™ึทืœ ื“ืึธืก ืจืึทื“ื•ืกืึทื– ื“ื™ ื˜ืขืจืžืึทืœ ืกื˜ืจืขืกื™ื– ื™ืžืคึผืึธื•ื–ื“ ืื•ื™ืฃ ื“ื™ ืคึผืึทืงืงืึทื’ื™ื ื’ - ืžื—ื‘ืจ ืก ื˜ืึธืŸ). ื“ื™ ืึธืคื˜ืงื™ื™ึทื˜ ืื•ืŸ ืึทืžืคึผืœื™ื˜ื•ื“ ืคื•ืŸ ื”ื™ื’ืข ื‘ืขื ื“ื™ื ื’ ืžืึธื•ืžืึทื ืฅ ืื•ืŸ ื™ื ืขืจื˜ื™ืึทืœ ืœืึธื•ื“ื– ื™ืžืคึผืึธื•ื–ื“ ืื•ื™ืฃ ื“ื™ ืึธื ืœื™ื™ื’ืŸ ืื•ื™ืš ื™ืžืคึผืœืึทืžืขื ืึทื“ ื“ื™ ืžืขืจืกื˜ ืžืกืชึผืžื ื“ื•ืจื›ืคืึทืœ ืžืึธื“ืข. ื”ื•ื™ืš ืึธืคื˜ืงื™ื™ึทื˜ ื ื™ื“ืขืจื™ืง ืึทืžืคึผืœื™ื˜ื•ื“ ืœืึธื•ื“ื– ืงืขื ืขืŸ ืคื™ืจืŸ ืฆื• ืžื™ื“ืงื™ื™ึทื˜ ื“ื•ืจื›ืคืึทืœ ืคื•ืŸ ื“ื™ ืกื˜ืจื•ืงื˜ื•ืจ, ื•ื•ืึธืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ื“ื™ ื”ื•ื™ืคึผื˜ ืกื™ื‘ื” ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ (ื ื™ื“ืขืจื™ืง / ื”ื•ื™ืš ืกื™ื™ืงืœื™ืง ืžื™ื“ืงื™ื™ึทื˜, LCF ืจืขืคืขืจืก ืฆื• ืคื™ื™ืœื™ืขืจื– ื“ืึทืžืึทื ื™ื™ื˜ืึทื“ ื“ื•ืจืš ืคึผืœืึทืกื˜ื™ืง ื“ื™ืคืึธืจืžื™ื™ืฉืึทืŸ (N_f <10 ^ 6), ื‘ืฉืขืช HCF ื“ื™ื ืึธื•ืฅ ื’ื•ืžืข ื“ื™ืคืึธืจืžื™ื™ืฉืึทืŸ. ืคื™ื™ืœื™ืขืจื–, ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ (N_f> 10^6) ืฆื• ื“ื•ืจื›ืคืึทืœ [56] - ืžื—ื‘ืจ ืก ื˜ืึธืŸ) ื“ื™ ืœืขืฆื˜ ืึธืจื“ืขื ื•ื ื’ ืคื•ืŸ ืขืœืขืžืขื ื˜ืŸ ืื•ื™ืฃ ื“ื™ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ ื•ื•ืขื˜ ื‘ืึทืฉืœื™ืกืŸ ื“ื™ ื’ืจื•ื ื˜ ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ, ื•ื•ืึธืก ืงืขืŸ ืคึผืึทืกื™ืจืŸ ืจืขื›ื˜ ืฆื• ื“ืจื•ืง ืื™ืŸ ืึท ื™ื—ื™ื“ ืงืึธืžืคึผืึธื ืขื ื˜ ื’ืขืคึฟื™ืจื˜ ื“ื•ืจืš ื™ื ืขืจื˜ื™ืึทืœ ืœืึธื•ื“ื– ืึธื“ืขืจ ื”ื™ื’ืข ื‘ืขื ื“ื™ื ื’ ืžืึธื•ืžืึทื ืฅ. ืฆื•ื ืกื•ืฃ, ืขืก ืื™ื– ื ื™ื™ื˜ื™ืง ืฆื• ื ืขืžืขืŸ ืื™ืŸ ื—ืฉื‘ื•ืŸ ื“ื™ ื”ืฉืคึผืขื” ืคื•ืŸ ืžืขื ื˜ืฉืœืขืš ืกื™ื‘ื•ืช ืื•ืŸ ืคึผืจืึธื“ื•ืงืฆื™ืข ืคึฟืขื™ึดืงื™ื™ื˜ืŸ, ื•ื•ืึธืก ื™ื ืงืจื™ืกื™ื– ื“ื™ ืœื™ืงืขืœื™ื”ืึธืึธื“ ืคื•ืŸ ืขืงื•ื•ื™ืคึผืžืขื ื˜ ื“ื•ืจื›ืคืึทืœ.

ื•ื•ืขืŸ ืงืึทื ืกื™ื“ืขืจื™ื ื’ ืึท ื‘ืึทื˜ื™ื™ื˜ื™ืง ื ื•ืžืขืจ ืคื•ืŸ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ืกื™ื‘ื•ืช ืื•ืŸ ื–ื™ื™ืขืจ ืงืึธืžืคึผืœืขืงืก ื™ื ื˜ืขืจืึทืงืฉืึทืŸ, ืขืก ื•ื•ืขืจื˜ ืงืœืึธืจ ื•ื•ืึธืก ืึท ืขืคืขืงื˜ื™ื•ื• ืื•ืคึฟืŸ ืคึฟืึทืจ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืขืงื•ื•ื™ืคึผืžืขื ื˜ ืื™ื– ื ืึธืš ื ื™ืฉื˜ ื‘ืืฉืืคืŸ. ืื™ื™ื ืขืจ ืคื•ืŸ ื“ื™ ืœื™ื˜ืขืจืึทื˜ื•ืจ ื‘ืืจื™ื›ื˜ืŸ ืจืขืงืึทืžืขื ื“ื™ื“ ื“ื•ืจืš ื“ื™ ืžื—ื‘ืจื™ื ืื•ื™ืฃ ื“ืขื ืึทืจื•ื™ืกื’ืขื‘ืŸ ืื™ื– ื“ืขืจืœืื ื’ื˜ ืื™ืŸ IEEE [26]. ืึธื‘ืขืจ, ื“ื™ ืจืขืฆืขื ื–ื™ืข ืคืึธื•ืงื™ืกื™ื– ื“ืขืจ ื”ื•ื™ืคึผื˜ ืื•ื™ืฃ ืคืขืจืœื™ ื‘ืจื™ื™ื˜ ืงืœืึทืกืึทืคืึทืงื™ื™ืฉืึทื ื– ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืžืึธื“ืขืœืก, ืึทื–ืึท ื•ื•ื™ ื“ืขืจ ืžืขื˜ืึธื“ ืคื•ืŸ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืจืขืคึฟืขืจืขื ืฅ ืœื™ื˜ืขืจืึทื˜ื•ืจ, ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ, ืงืึธืžืคึผื™ื•ื˜ืขืจ ืžืึธื“ืขืœื™ื ื’ ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ ื˜ื ืึธื™ื (Physics-of-Failure Reliability (PoF)), ืื•ืŸ ื˜ื•ื˜ ื ื™ืฉื˜ ืึทื“ืจืขืก ืคื™ื™ืœื™ืขืจื–. ืื™ืŸ ื’ืขื ื•ื’ ื“ืขื˜ืึทืœ ื’ืขืคึฟื™ืจื˜ ื“ื•ืจืš ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ. Foucher et al. [17] ื ืึธื›ื’ื™ื™ืŸ ืึท ืขื ืœืขืš ืึทื•ื˜ืœื™ื™ืŸ ืฆื• ื“ื™ IEEE ืจืขืฆืขื ื–ื™ืข, ืžื™ื˜ ื‘ืึทื˜ื™ื™ื˜ื™ืง ื˜ืจืึธืคึผ ืื•ื™ืฃ ื˜ืขืจืžืึทืœ ืคื™ื™ืœื™ืขืจื–. ื“ื™ ืคืจื™ืขืจื“ื™ืงืข ืงื•ืจืฅืงื™ื™ื˜ ืคื•ืŸ ื“ื™ ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ PoF ืžืขื˜ื”ืึธื“ืก, ืกืคึผืขืฆื™ืขืœ ื•ื•ื™ ื’ืขื•ื•ืขื ื“ื˜ ืฆื• ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืคื™ื™ืœื™ืขืจื–, ื•ื•ืขืจื˜ ื–ื™ื™ืขืจ ื•ื•ื™ื™ึทื˜ืขืจ ื‘ืึทื˜ืจืึทื›ื˜ื•ื ื’. ืึทืŸ IEEE-ื•ื•ื™ ืจืขืฆืขื ื–ื™ืข ืื™ื– ืื™ืŸ ื“ืขื ืคึผืจืึธืฆืขืก ืคื•ืŸ ื–ื™ื™ืŸ ืงืึทืžืคึผื™ื™ืœื“ ื“ื•ืจืš ื“ื™ AIAA, ืึธื‘ืขืจ ื“ืขืจ ืคืึทืจื ืขื ืคื•ืŸ ื“ื™ ืจืขืฆืขื ื–ื™ืข ืื™ื– ืื•ืžื‘ืึทืงืึทื ื˜ ืื™ืŸ ื“ืขืจ ืฆื™ื™ื˜.

3. ืขื•ื•ืึทืœื•ืฉืึทืŸ ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคึผืจืึธื’ื ืึธื– ืžืขื˜ื”ืึธื“ืก

ื“ื™ ืขืจืœื™ืึทืกื˜ ืคืึทืจืœืึธื–ืœืขืš ืคึผืจืึธื’ื ืึธื– ืื•ืคึฟืŸ, ื“ืขื•ื•ืขืœืึธืคึผืขื“ ืื™ืŸ ื“ื™ 1960 ืก, ืื™ื– ื“ืขืจื•ื•ื™ื™ึทืœ ื“ื™ืกืงืจื™ื™ื‘ื“ ืื™ืŸ MIL-HDBK-217F [44] (Mil-Hdbk-217F ืื™ื– ื“ื™ ืœืขืฆื˜ืข ืื•ืŸ ืœืขืฆื˜ ืจืขื•ื•ื™ื–ื™ืข ืคื•ืŸ โ€‹โ€‹ื“ืขื ืื•ืคึฟืŸ, ื‘ืืคืจื™ื™ื˜ ืื™ืŸ 1995 - ืžื—ื‘ืจ ืก ื‘ืึทืžืขืจืงื•ื ื’) ื ื™ืฆืŸ ื“ืขื ืื•ืคึฟืŸ ื ื™ืฆื˜ ืึท ื“ืึทื˜ืึทื‘ื™ื™ืก ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืคื™ื™ืœื™ืขืจื– ืฆื• ืงืจื™ื’ืŸ ื“ื™ ื“ื•ืจื›ืฉื ื™ื˜ืœืขืš ื“ื™ื ืกื˜ ืœืขื‘ืŸ ืคื•ืŸ ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ ืงืึทื ืกื™ืกื˜ื™ื ื’ ืคื•ืŸ ื–ื™ื›ืขืจ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ. ื“ืขืจ ืื•ืคึฟืŸ ืื™ื– ื‘ืืงืื ื˜ ื•ื•ื™ ืึท ืžืขื˜ืึธื“ ืคึฟืึทืจ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืจืขืคึฟืขืจืขื ืฅ ืื•ืŸ ื ืึธืจืžืึทื˜ื™ื•ื•ืข ืœื™ื˜ืขืจืึทื˜ื•ืจ. ื›ืึธื˜ืฉ Mil-Hdbk-217F ืื™ื– ื™ื ืงืจื™ืกื™ื ื’ืœื™ ืึทื•ื˜ื“ื™ื™ื˜ื™ื“, ื“ื™ ืจืขืคึฟืขืจืขื ืฅ ืื•ืคึฟืŸ ืื™ื– ื ืึธืš ืื™ืŸ ื ื•ืฆืŸ ื”ื™ื™ึทื ื˜. ื“ื™ ืœื™ืžื™ื˜ื™ื™ืฉืึทื ื– ืื•ืŸ ื™ื ืึทืงื™ืขืจืึทืกื™ื– ืคื•ืŸ ื“ืขื ืื•ืคึฟืŸ ื–ืขื ืขืŸ ื’ืขื–ื•ื ื˜ ื“ืึทืงื™ื•ืžืขื ื˜ืึทื“ [42,50], ืœื™ื“ื™ื ื’ ืฆื• ื“ืขืจ ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคื•ืŸ ื“ืจื™ื™ ืงืœืืกืŸ ืคื•ืŸ ืึธืœื˜ืขืจื ืึทื˜ื™ื•ื• ืžืขื˜ื”ืึธื“ืก: ืงืึธืžืคึผื™ื•ื˜ืขืจ ืžืึธื“ืขืœื™ื ื’ ืคื•ืŸ ื’ืฉืžื™ื•ืช ื“ื•ืจื›ืคืึทืœ ื˜ื ืึธื™ื (PoF), ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ืื•ืŸ ืคืขืœื“ ืคึผืจื•ื‘ื™ืจืŸ ื“ืึทื˜ืŸ.

ืคึผืึธืฃ ืžืขื˜ื”ืึธื“ืก ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืึทื ืึทืœื™ื˜ื™ืฉ ืึธืŸ ืจื™ืœื™ื™ื™ื ื’ ืื•ื™ืฃ ืคืจื™ืขืจ ื’ืขื–ืืžืœื˜ ื“ืึทื˜ืŸ. ืึทืœืข ืคึผืึธืฃ ืžืขื˜ื”ืึธื“ืก ื”ืึธื‘ืŸ ืฆื•ื•ื™ื™ ืคึผืจืึธืกื˜ ืงืขืจืึทืงื˜ืขืจื™ืกื˜ื™ืงืก ืคื•ืŸ ื“ื™ ืงืœืึทืกื™ืฉ ืื•ืคึฟืŸ ื“ื™ืกืงืจื™ื™ื‘ื“ ืื™ืŸ Steinberg [62]: ืขืจืฉื˜ืขืจ, ื“ื™ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืขื ื˜ืคืขืจ ืคื•ืŸ ื“ื™ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ ืฆื• ืึท ืกืคึผืขืฆื™ืคื™ืฉ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืกื˜ื™ืžื•ืœ ืื™ื– ื’ืขื–ื•ื›ื˜, ืื•ืŸ ื“ื™ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท ืคื•ืŸ ื™ื—ื™ื“ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื ืึธืš ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ื•ื™ืกืฉื˜ืขืœืŸ ื–ืขื ืขืŸ ื˜ืขืกื˜ืขื“. ืึท ื•ื•ื™ื›ื˜ื™ืง ืฉื˜ื™ื™ึทื’ืŸ ืื™ืŸ ืคึผืึธืฃ ืžืขื˜ื”ืึธื“ืก ืื™ื– ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ืคื•ื ืื ื“ืขืจื’ืขื˜ื™ื™ืœื˜ (ื“ื•ืจื›ืฉื ื™ื˜ืœืขืš) ื‘ืจืขื˜ ืคึผืจืึธืคึผืขืจื˜ื™ืขืก ืฆื• ื’ืขืฉื•ื•ื™ื ื“ ื“ื–ืฉืขื ืขืจื™ื™ื˜ ืึท ืžืึทื˜ืึทืžืึทื˜ื™ืงืึทืœ ืžืึธื“ืขืœ ืคื•ืŸ ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ [54], ื•ื•ืึธืก ื”ืื˜ ื‘ืื˜ื™ื™ื˜ื™ืง ืจื™ื“ื•ืกื˜ ื“ื™ ืงืึทืžืคึผืœืขืงืกื™ื˜ื™ ืื•ืŸ ืฆื™ื™ื˜ ืคืืจื‘ืจืื›ื˜ ืื•ื™ืฃ ืึทืงื™ืขืจืึทื˜ืœื™ ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื ื’ ื“ื™ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืขื ื˜ืคืขืจ ืคื•ืŸ ืึท ื’ืขื“ืจื•ืงื˜. ืงืจื™ื™ึทื– ื‘ืจืขื˜ (ื–ืขืŸ ืึธืคึผื˜ื™ื™ืœื•ื ื’ 8.1.3). ืœืขืฆื˜ืข ื“ื™ื•ื•ืขืœืึทืคึผืžืึทื ืฅ ืื™ืŸ ืคึผืึธืฃ ื˜ืขืงื ื™ืงืก ื”ืึธื‘ืŸ ื™ืžืคึผืจื•ื•ื•ื“ ื“ื•ืจื›ืคืึทืœ ืคึผืจืึธื’ื ืึธื– ืคึฟืึทืจ ื™ื™ื‘ืขืจืคืœืึทืš ื‘ืืจื’ ื˜ืขื›ื ืึธืœืึธื’ื™ืข (ืกืžื˜) ืกืึทื“ืขืจื“ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ; ืึธื‘ืขืจ, ืžื™ื˜ ื“ื™ ื•ื™ืกื ืขื ืคื•ืŸ ื“ื™ Barkers ืื•ืคึฟืŸ [59], ื“ื™ ื ื™ื™ึทืข ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื‘ืœื•ื™ื– ืึธื ื•ื•ืขื ื“ืœืขืš ืฆื• ื–ื™ื™ืขืจ ืกืคึผืขืฆื™ืคื™ืฉ ืงืึทืžื‘ืึทื ื™ื™ืฉืึทื ื– ืคื•ืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ืŸ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืึธืจื“ื–. ืขืก ื–ืขื ืขืŸ ื–ื™ื™ืขืจ ื•ื•ื™ื™ื ื™ืง ืžืขื˜ื”ืึธื“ืก ื‘ื ื™ืžืฆื ืคึฟืึทืจ ื’ืจื•ื™ืก ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืึทื–ืึท ื•ื•ื™ ื˜ืจืึทื ืกืคืึธืจืžืขืจืก ืึธื“ืขืจ ื’ืจื•ื™ืก ืงืึทืคึผืึทืกืึทื˜ืขืจื–.
ืขืงืกืคึผืขืจื™ืžืขื ื˜ืึทืœ ื“ืึทื˜ืŸ ืžืขื˜ื”ืึธื“ืก ืคึฟืึทืจื‘ืขืกืขืจืŸ ื“ื™ ืงื•ื•ืึทืœื™ื˜ืขื˜ ืื•ืŸ ืงื™ื™ืคึผืึทื‘ื™ืœืึทื˜ื™ื– ืคื•ืŸ ื“ื™ ืžืึธื“ืขืœ ื’ืขื ื™ืฆื˜ ืื™ืŸ ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื– ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ืจืขืคึฟืขืจืขื ืฅ ืœื™ื˜ืขืจืึทื˜ื•ืจ. ื“ืขืจ ืขืจืฉื˜ืขืจ ืื•ืคึฟืŸ ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ืคึฟืึทืจ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืื™ื– ื’ืขื•ื•ืขืŸ ื“ื™ืกืงืจื™ื™ื‘ื“ ืื™ืŸ ืึท 1999 ืคึผืึทืคึผื™ืจ ืžื™ื˜ ื“ื™ HIRAP (Honeywell In-Service Reliability Assessment Program) ืื•ืคึฟืŸ, ื•ื•ืึธืก ืื™ื– ื’ืขื•ื•ืขืŸ ื‘ืืฉืืคืŸ ืื™ืŸ Honeywell, ื™ื ืง. [20]. ื“ืขืจ ืื•ืคึฟืŸ ืคื•ืŸ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ื”ืื˜ ืึท ื ื•ืžืขืจ ืคื•ืŸ ืึทื“ื•ื•ืึทื ื˜ื™ื“ื–ืฉื™ื– ืื™ื‘ืขืจ ืžืขื˜ื”ืึธื“ืก ืคึฟืึทืจ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื ื™ืฆืŸ ืจืขืคึฟืขืจืขื ืฅ ืื•ืŸ ื ืึธืจืžืึทื˜ื™ื•ื•ืข ืœื™ื˜ืขืจืึทื˜ื•ืจ. ืœืขืฆื˜ื ืก, ืคื™ืœืข ืขื ืœืขืš ืžืขื˜ื”ืึธื“ืก ื”ืึธื‘ืŸ ืืจื•ื™ืก (REMM ืื•ืŸ TRACS [17], ืื•ื™ืš FIDES [16]). ื“ืขืจ ืื•ืคึฟืŸ ืคื•ืŸ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ, ื•ื•ื™ ื’ืขื–ื•ื ื˜ ื•ื•ื™ ื“ืขืจ ืื•ืคึฟืŸ ืคื•ืŸ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืžื™ื˜ ืจืขืคึฟืขืจืขื ืฅ ืื•ืŸ ื ืึธืจืžืึทื˜ื™ื•ื•ืข ืœื™ื˜ืขืจืึทื˜ื•ืจ, ื˜ื•ื˜ ื ื™ืฉื˜ ืœืึธื–ืŸ ืื•ื ื“ื– ืฆื• ื‘ืึทืคืจื™ื“ื™ืงืŸ ื“ื™ ืื•ื™ืกืœื™ื™ื’ ืคื•ืŸ ื“ื™ ื‘ืจืขื˜ ืื•ืŸ ื“ื™ ืึทืคึผืขืจื™ื™ื˜ื™ื ื’ ืกื•ื•ื™ื•ื•ืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ื–ื™ื™ึทืŸ ืึธืคึผืขืจืึทืฆื™ืข ืื™ืŸ ืึทืกืขืกื™ื ื’ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™. ื“ืขื ื“ื™ืคื™ืฉืึทื ืกื™ ืงืขื ืขืŸ ื–ื™ื™ืŸ ืงืขืจืขืงื˜ืึทื“ ื“ื•ืจืš ื ื™ืฆืŸ ื“ื•ืจื›ืคืึทืœ ื“ืึทื˜ืŸ ืคื•ืŸ ื‘ืึธืจื“ื– ื•ื•ืึธืก ื–ืขื ืขืŸ ืขื ืœืขืš ืื™ืŸ ืคึผืœืึทืŸ, ืึธื“ืขืจ ืคื•ืŸ ื‘ืึธืจื“ื– ื•ื•ืึธืก ื”ืึธื‘ืŸ ืฉื•ื™ืŸ ื™ืงืกืคึผืึธื•ื–ื“ ืฆื• ืขื ืœืขืš ืึทืคึผืขืจื™ื™ื˜ื™ื ื’ ื‘ืื“ื™ื ื’ื•ื ื’ืขืŸ.

ืขืงืกืคึผืขืจื™ืžืขื ื˜ืึทืœ ื“ืึทื˜ืŸ ืžืขื˜ื”ืึธื“ืก ืึธืคืขื ื’ืขืŸ ืื•ื™ืฃ ื“ื™ ืึทื•ื•ื™ื™ืœืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืึท ื‘ืจื™ื™ื˜ ื“ืึทื˜ืึทื‘ื™ื™ืก ืžื™ื˜ ืงืจืึทืš ื“ืึทื˜ืŸ ืื™ื‘ืขืจ ืฆื™ื™ึทื˜. ื™ืขื“ืขืจ ื˜ื™ืคึผ ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ ืื™ืŸ ื“ืขื ื“ืึทื˜ืึทื‘ื™ื™ืก ืžื•ื–ืŸ ื–ื™ื™ืŸ ื™ื™ื“ืขื ืึทืคื™ื™ื“ ืจื™ื›ื˜ื™ืง ืื•ืŸ ื–ื™ื™ืŸ ืฉื•ืจืฉ ื’ืจื•ื ื˜ ื‘ืืฉืœืืกืŸ. ื“ื™ ืึทืกืขืกืžืึทื ื˜ ืื•ืคึฟืŸ ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืื™ื– ืคึผืึทืกื™ืง ืคึฟืึทืจ ืงืึธืžืคึผืึทื ื™ืขืก ื•ื•ืึธืก ืคึผืจืึธื“ื•ืฆื™ืจืŸ ื“ื™ ื–ืขืœื‘ืข ื˜ื™ืคึผ ืคื•ืŸ ื•ื™ืกืจื™ื›ื˜ ืื™ืŸ ื’ืจื•ื™ืก ื’ืขื ื•ื’ ืงื•ื•ืึทื ื˜ืึทื˜ื™ื–, ืึทื–ื•ื™ ืึทื– ืึท ื‘ืึทื˜ื™ื™ื˜ื™ืง ื ื•ืžืขืจ ืคื•ืŸ ืคื™ื™ืœื™ืขืจื– ืงืขื ืขืŸ ื–ื™ื™ืŸ ืคึผืจืึทืกืขืกื˜ ืฆื• ืึทืกืกืขืกืก ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™.

ืžืขื˜ื”ืึธื“ืก ืคึฟืึทืจ ื˜ืขืกื˜ื™ื ื’ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืคึฟืึทืจ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื”ืึธื‘ืŸ ืฉื•ื™ืŸ ืื™ืŸ ื ื•ืฆืŸ ื–ื™ื ื˜ ื“ื™ ืžื™ื˜ืŸ 1970 ืก ืื•ืŸ ื–ืขื ืขืŸ ื˜ื™ืคึผื™ืงืœื™ ืฆืขื˜ื™ื™ืœื˜ ืื™ืŸ ืึทืงืกืขืœืขืจื™ื™ื˜ื™ื“ ืื•ืŸ ื ื™ื˜-ืึทืงืกืขืœืขืจื™ื™ื˜ื™ื“ ื˜ืขืกืฅ. ื“ื™ ื’ืจื•ื ื˜ ืฆื•ื’ืึทื ื’ ืื™ื– ืฆื• ื“ื•ืจื›ืคื™ืจืŸ ื™ื™ึทื–ื ื•ื•ืึทืจื’ ืคึผืจื•ื‘ื™ืจืŸ ืจืึทื ื– ื•ื•ืึธืก ืžืึทื›ืŸ ื“ื™ ื“ืขืจื•ื•ืึทืจื˜ ืึธืคึผืขืจื™ื™ื˜ื™ื ื’ ืกื•ื•ื™ื•ื•ืข ื•ื•ื™ ืจืขืึทืœื™ืกื˜ื™ืฉ ื•ื•ื™ ืžืขื’ืœืขืš. ื˜ืขืกืฅ ื–ืขื ืขืŸ ื“ื•ืจื›ื’ืขืงืึธื›ื˜ ื‘ื™ื– ืึท ื“ื•ืจื›ืคืึทืœ ืึทืงืขืจื–, ืึทืœืึทื•ื™ื ื’ ื“ื™ MTBF (Mean Time Between Failures) ืฆื• ื–ื™ื™ืŸ ืคึผืจืขื“ื™ืงื˜ืขื“. ืื•ื™ื‘ ื“ื™ MTBF ืื™ื– ืขืกื˜ื™ืžืึทื˜ืขื“ ืฆื• ื–ื™ื™ืŸ ื–ื™ื™ืขืจ ืœืึทื ื’, ื“ื™ ืคึผืจืึธื‘ืข ื’ืขื“ื•ื™ืขืจ ืงืขื ืขืŸ ื–ื™ื™ืŸ ืจื™ื“ื•ืกื˜ ื“ื•ืจืš ืึทืงืกืขืœืขืจื™ื™ื˜ื™ื“ ื˜ืขืกื˜ื™ื ื’, ื•ื•ืึธืก ืื™ื– ืึทื˜ืฉื™ื•ื•ื“ ื“ื•ืจืš ื™ื ืงืจื™ืกื™ื ื’ ื“ื™ ืึทืคึผืขืจื™ื™ื˜ื™ื ื’ ืกื•ื•ื™ื•ื•ืข ืกื™ื‘ื•ืช ืื•ืŸ ื ื™ืฆืŸ ืึท ื‘ืึทื•ื•ื•ืกื˜ ืคืึธืจืžื•ืœืข ืฆื• ืคืึทืจื‘ื™ื ื“ืŸ ื“ื™ ื“ื•ืจื›ืคืึทืœ ืงื•ืจืก ืื™ืŸ ื“ื™ ืึทืงืกืขืœืขืจื™ื™ื˜ื™ื“ ืคึผืจืึธื‘ืข ืฆื• ื“ื™ ื“ื•ืจื›ืคืึทืœ ืงื•ืจืก ืื™ืŸ ืึธืคึผืขืจืึทืฆื™ืข. ื“ื™ ื˜ืขืกื˜ื™ื ื’ ืื™ื– ื•ื•ื™ื˜ืึทืœ ืคึฟืึทืจ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืžื™ื˜ ืึท ื”ื•ื™ืš ืจื™ื–ื™ืงื™ืจืŸ ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ ื•ื•ื™ื™ึทืœ ืขืก ื’ื™ื˜ ื“ื™ ืคืึธืจืฉืขืจ ื“ื™ ื”ืขื›ืกื˜ืŸ ืฉื˜ืึทืคึผืœ ืคื•ืŸ ื‘ื˜ื—ื•ืŸ ื“ืึทื˜ืŸ, ืึธื‘ืขืจ, ืขืก ื•ื•ืึธืœื˜ ื–ื™ื™ืŸ ื™ืžืคึผืจืึทืงื˜ืึทืงืึทืœ ืฆื• ื ื•ืฆืŸ ืขืก ืคึฟืึทืจ ืึทืคึผื˜ืึทืžืึทื–ื™ื™ืฉืึทืŸ ืคื•ืŸ ื‘ืจืขื˜ ืคึผืœืึทืŸ ืจืขื›ื˜ ืฆื• ื“ืขืจ ืœืึทื ื’ ื™ื˜ืขืจืึทื˜ื™ืึธืŸ ืฆื™ื™ื˜ ืคื•ืŸ ื“ื™ ืœืขืจื ืขืŸ.

ื ืฉื ืขืœ ืจืขืฆืขื ื–ื™ืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ืึทืจื‘ืขื˜ ืืจื•ื™ืก ืื™ืŸ ื“ื™ 1990 ืก ืกืึทื’ื“ื–ืฉืขืกืฅ ืึทื– ื“ืึธืก ืื™ื– ื’ืขื•ื•ืขืŸ ืึท ืคึผืขืจื™ืึธื“ ื•ื•ืขืŸ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ, ืคึผืจืึธื‘ืข ื“ืึทื˜ืŸ ืื•ืŸ ืคึผืึธืฃ ืžืขื˜ื”ืึธื“ืก ืงืึทืžืคึผื™ื˜ื™ื“ ืžื™ื˜ ื™ืขื“ืขืจ ืื ื“ืขืจืข ืฆื• ืคืึทืจื‘ื™ื™ึทื˜ืŸ ืึทื•ื˜ื“ื™ื™ื˜ื™ื“ ืžืขื˜ื”ืึธื“ืก ืคึฟืึทืจ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืจืขืคึฟืขืจืขื ืฅ ื‘ื™ื›ืขืจ. ืึธื‘ืขืจ, ื™ืขื“ืขืจ ืื•ืคึฟืŸ ื”ืื˜ ื–ื™ื™ึทืŸ ืื™ื™ื’ืŸ ืึทื“ื•ื•ืึทื ื™ื“ื–ืฉื™ื– ืื•ืŸ ื“ื™ืกืึทื“ื•ื•ืึทื ื˜ื™ื“ื–ืฉื™ื–, ืื•ืŸ ื•ื•ืขืŸ ื’ืขื•ื•ื™ื™ื ื˜ ืจื™ื›ื˜ื™ืง, ื˜ืจืื’ื˜ ื•ื•ืขืจื˜ืคื•ืœ ืจืขื–ื•ืœื˜ืึทื˜ืŸ. ื•ื•ื™ ืึท ืงืึทื ืกืึทืงื•ื•ืึทื ืก, IEEE ืœืขืฆื˜ื ืก ื‘ืืคืจื™ื™ื˜ ืึท ืกื˜ืึทื ื“ืึทืจื˜ [26] ื•ื•ืึธืก ืœื™ืกื˜ืขื“ ืึทืœืข ื“ื™ ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื– ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคึผืจืึธื’ื ืึธื– ืื™ืŸ ื ื•ืฆืŸ ื”ื™ื™ึทื ื˜. ื“ืขืจ ืฆื™ืœ ืคื•ืŸ ื“ื™ IEEE ืื™ื– ื’ืขื•ื•ืขืŸ ืฆื• ืฆื•ื’ืจื™ื™ื˜ืŸ ืึท ืคื™ืจืขืจ ื•ื•ืึธืก ื•ื•ืขื˜ ืฆื•ืฉื˜ืขืœืŸ ื“ื™ ื™ื ื–ืฉืขื ื™ืจ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ืึทืœืข ื‘ื ื™ืžืฆื ืžืขื˜ื”ืึธื“ืก ืื•ืŸ ื“ื™ ืึทื“ื•ื•ืึทื ื™ื“ื–ืฉื™ื– ืื•ืŸ ื“ื™ืกืึทื“ื•ื•ืึทื ื˜ื™ื“ื–ืฉื™ื– ื˜ืึธื›ื™ืง ืื™ืŸ ื™ืขื“ืขืจ ืื•ืคึฟืŸ. ื›ืึธื˜ืฉ ื“ื™ IEEE ืฆื•ื’ืึทื ื’ ืื™ื– ื ืึธืš ืื™ืŸ ื“ื™ ืึธื ื”ื™ื™ื‘ ืคื•ืŸ ืึท ืœืึทื ื’ ืขื•ื•ืึธืœื•ืฆื™ืข, ืขืก ืžื™ื™ื ื˜ ืฆื• ื”ืึธื‘ืŸ ื–ื™ื™ืŸ ืื™ื™ื’ืขื ืข ืžืขืจื™ืฅ, ื•ื•ื™ื™ึทืœ ื“ื™ AIAA (ืืžืขืจื™ืงืื ืขืจ ืื™ื ืกื˜ื™ื˜ื•ื˜ ืคื•ืŸ ืึทืขืจืึธื ืึทื•ื˜ื™ืงืก ืื•ืŸ ืึทืกื˜ืจืึธื ืึทื•ื˜ื™ืงืก) ื’ื™ื™ื˜ ืขืก ืžื™ื˜ ืึท ื’ื™ื™ื“ืœื™ื™ื ื– ื’ืขืจื•ืคืŸ S-102, ื•ื•ืึธืก ืื™ื– ืขื ืœืขืš ืฆื• ื“ื™ IEEE ืึธื‘ืขืจ ืื•ื™ืš ื ืขืžื˜ ืื™ืŸ ื—ืฉื‘ื•ืŸ ื“ื™ ืงืึธืจืขื•ื• ืงื•ื•ืึทืœื™ื˜ืขื˜ ืคื•ืŸ ื“ืึทื˜ืŸ ืคื•ืŸ ื™ืขื“ืขืจ ืื•ืคึฟืŸ [27]. ื“ ื™ ื•ื•ืขื’ื•ื•ื™ื™ื–ืข ืจ ื”ืื‘ ืŸ ื–ื™ ืš ื‘ืœื•ื™ ื– ื‘ืืฉืœืื ืŸ ืฆ ื• ืฆื•ื–ืืžืขื ื‘ืจืขื ื’ืข ืŸ ื“ ื™ ืžืขื˜ืื“ืŸ , ื•ื•ื ืก ืคืืจืฉืคืจื™ื™ื˜ ืŸ ืื™ื‘ืข ืจ ื“ืข ืจ ืฐืขืœื˜ ึพ ืœื™ื˜ืขืจืื˜ื•ืจ ืข ืคื• ืŸ ื“ ื™ ื“ืื–ื™ืง ืข ื˜ืขืžืขืก .

4. ืคื™ื™ืœื™ืขืจื– ื’ืขืคึฟื™ืจื˜ ื“ื•ืจืš ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ

ืคื™ืœ ืคื•ืŸ ื“ื™ ืคืึทืจื’ืึทื ื’ืขื ื”ื™ื™ื˜ ืคืึธืจืฉื•ื ื’ ื”ืื˜ ื‘ืคึฟืจื˜ ืคืึธื•ืงื™ืกื˜ ืื•ื™ืฃ ื˜ืจืึทืค - ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ื•ื•ื™ ืึท ืคึผืงื‘ ืžืึทืกืข, ืึธื‘ืขืจ ื“ื™ ืคืืœื’ืขื ื“ืข ืœืขืจื ืขืŸ ืกืคึผืึทืกื™ืคื™ืงืœื™ ืงื•ืงื˜ ืื•ื™ืฃ ืคึผืจืึทืœ-ืคึฟืึทืจื‘ื•ื ื“ืขื ืข ืคื™ื™ืœื™ืขืจื–. ืึทื–ืึท ืžืขื˜ื”ืึธื“ืก ื•ื•ืขื˜ ื ื™ื˜ ื–ื™ื™ืŸ ื“ื™ืกืงืึทืกื˜ ื’ืึธืจ ื“ืึธ ื•ื•ื™ื™ึทืœ ื–ื™ื™ ืคืึทืœืŸ ืื•ื ื˜ืขืจ ื“ื™ ืงืœืึทืกืึทืคืึทืงื™ื™ืฉืึทืŸ ืคื•ืŸ ืคึผืึธืฃ ืžืขื˜ื”ืึธื“ืก ืื•ืŸ ื–ืขื ืขืŸ ื“ื™ืกืงืึทืกื˜ ืื™ืŸ ืกืขืงืฉืึทื ื– 8.1 ืื•ืŸ 8.2 ืคื•ืŸ ื“ืขื ืึทืจื˜ื™ืงืœ. Heen ืขื˜ ืขืœ [24] ื‘ืืฉืืคืŸ ืึท ืคึผืจืึธื‘ืข ื‘ืจืขื˜ ืฆื• ืคึผืจื•ื‘ื™ืจืŸ ื“ื™ ืึธืจื ื˜ืœืขื›ืงื™ื™ึทื˜ ืคื•ืŸ BGA ืกืึทื“ืขืจ ื“ื–ืฉื•ื™ื ืฅ ื•ื•ืขืŸ ืื•ื ื˜ืขืจื˜ืขื ื™ืง ืฆื• ืงืœืึทืคึผ. Lau ืขื˜ ืขืœ [36] ื“ื™ืกืงืจื™ื™ื‘ื“ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ PLCC, PQFP ืื•ืŸ QFP ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ื ื˜ืขืจ ืื™ืŸ-ืคึผืœืึทืŸ ืื•ืŸ ืื•ื™ืก-ืคื•ืŸ-ืคึผืœืึทืŸ ื™ืžืคึผืึทืงืฅ. Pitarresi ืขื˜ ืขืœ [53,55] ื’ืขืงื•ืงื˜ ืื•ื™ืฃ ืคื™ื™ืœื™ืขืจื– ืคื•ืŸ ืงืึธืžืคึผื™ื•ื˜ืขืจ ืžืึธื˜ื”ืขืจื‘ืึธืึทืจื“ืก ืจืขื›ื˜ ืฆื• ืงืœืึทืคึผ ืœืึธื•ื“ื– ืื•ืŸ ืฆื•ื’ืขืฉื˜ืขืœื˜ ืึท ื’ื•ื˜ ืจืขืฆืขื ื–ื™ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ืœื™ื˜ืขืจืึทื˜ื•ืจ ื“ื™ืกืงืจื™ื™ื‘ื™ื ื’ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืื•ื ื˜ืขืจ ืงืœืึทืคึผ ืœืึธื•ื“ื–. Steinberg [62] ื’ื™ื˜ ืึท ื’ืึทื ืฅ ืงืึทืคึผื™ื˜ืœ ืื•ื™ืฃ ื“ื™ ืคึผืœืึทืŸ ืื•ืŸ ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ ื™ืžืคึผืึทืงื˜ื™ื“ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜, ืงืึทื•ื•ืขืจื™ื ื’ ื‘ื™ื™ื“ืข ื•ื•ื™ ืฆื• ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ื“ื™ ืงืœืึทืคึผ ืกื•ื•ื™ื•ื•ืข ืื•ืŸ ื•ื•ื™ ืฆื• ืขื ืฉื•ืจ ื“ื™ ืคืึธืจืฉื˜ืขืœื•ื ื’ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ. ืกื•ื›ื™ืจ [64,65] ื“ื™ืกืงืจื™ื™ื‘ื“ ืขืจืจืึธืจืก ืื™ืŸ ืœื™ื ืขืึทืจ ื—ืฉื‘ื•ื ื•ืช ืคื•ืŸ ื“ืขืจ ืขื ื˜ืคืขืจ ืคื•ืŸ ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ ืฆื• ืึท ืคึผืจืึทืœ ืžืึทืกืข ื’ืขื•ื•ืขื ื“ื˜ ืฆื• ื‘ืจืขื˜ ืคืึทืกืึทื ืขืจื–. ืื–ื•ื™, ืจืขืคึฟืขืจืขื ืฅ ืื•ืŸ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ืžืขื˜ื”ืึธื“ืก ืงืขื ืขืŸ ื‘ืึทื˜ืจืึทื›ื˜ืŸ ื™ืžืคึผืœื™ืกืึทื˜-ืคึฟืึทืจื‘ื•ื ื“ืขื ืข ื•ื™ืกืจื™ื›ื˜ ืคื™ื™ืœื™ืขืจื–, ืึธื‘ืขืจ ื“ื™ ืžืขื˜ื”ืึธื“ืก ื‘ืึทืฉืจื™ื™ึทื‘ืŸ "ืคึผืจืึทืœ" ืคื™ื™ืœื™ืขืจื– ื™ืžืคึผืœื™ืกืึทื˜ืœื™.

5. ืจืขืคืขืจืขื ืฅ ืžืขื˜ื”ืึธื“ืก

ืคื•ืŸ ืึทืœืข ื“ื™ ื‘ื ื™ืžืฆื ืžืขื˜ื”ืึธื“ืก ื“ื™ืกืงืจื™ื™ื‘ื“ ืื™ืŸ ื“ื™ ืžืึทื ื™ื•ืึทืœื–, ืžื™ืจ ื‘ืึทื’ืจืขื ืขืฆืŸ ื–ื™ืš ืฆื• ื‘ืœื•ื™ื– ืฆื•ื•ื™ื™ ื•ื•ืึธืก ื‘ืึทื˜ืจืึทื›ื˜ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ื“ื•ืจื›ืคืึทืœ: Mil-Hdbk-217 ืื•ืŸ CNET [9]. Mil-Hdbk-217 ืื™ื– ืื ื’ืขื ื•ืžืขืŸ ื•ื•ื™ ืึท ื ืึธืจืžืึทืœ ื“ื•ืจืš ืจื•ื‘ึฟ ืžืึทื ื™ืึทืคืึทืงื˜ืฉืขืจืขืจื–. ื•ื•ื™ ืึทืœืข ืžืึทื ื•ืึทืœ ืื•ืŸ ืจืขืคึฟืขืจืขื ืฅ ืžืขื˜ื”ืึธื“ืก, ื–ื™ื™ ื–ืขื ืขืŸ ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ืขืžืคึผื™ืจื™ืงืึทืœ ืึทืคึผืจืึธื•ื˜ืฉื™ื– ื•ื•ืึธืก ืฆื™ืœืŸ ืฆื• ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ืงืึธืžืคึผืึธื ืขื ื˜ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ืึธื“ืขืจ ืœืึทื‘ืึธืจืึทื˜ืึธืจื™ืข ื“ืึทื˜ืŸ. ื“ื™ ืžืขื˜ื”ืึธื“ืก ื“ื™ืกืงืจื™ื™ื‘ื“ ืื™ืŸ ื“ืขืจ ืจืขืคึฟืขืจืขื ืฅ ืœื™ื˜ืขืจืึทื˜ื•ืจ ื–ืขื ืขืŸ ืœืขืคื™ืขืจืขืš ืคึผืฉื•ื˜ ืฆื• ื™ื ืกื˜ืจื•ืžืขื ื˜, ื•ื•ื™ื™ึทืœ ื–ื™ื™ ื˜ืึธืŸ ื ื™ื˜ ื“ืึทืจืคืŸ ืงืึธืžืคึผืœืขืงืก ืžืึทื˜ืึทืžืึทื˜ื™ืงืึทืœ ืžืึธื“ืขืœื™ื ื’ ืื•ืŸ ื ื•ืฆืŸ ื‘ืœื•ื™ื– ื˜ื™ื™ืคึผืก ืคื•ืŸ ื˜ื™ื™ืœืŸ, ื ื•ืžืขืจ ืคื•ืŸ ื˜ื™ื™ืœืŸ, ืึทืคึผืขืจื™ื™ื˜ื™ื ื’ ื‘ืื“ื™ื ื’ื•ื ื’ืขืŸ ืคื•ืŸ ื“ื™ ื‘ืจืขื˜ ืื•ืŸ ืื ื“ืขืจืข ืœื™ื™ื›ื˜ ืฆื•ื˜ืจื™ื˜ืœืขืš ืคึผืึทืจืึทืžืขื˜ืขืจืก. ื“ื™ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ื“ืึทื˜ืŸ ื–ืขื ืขืŸ ื“ืขืžืึธืœื˜ ืืจื™ื™ืŸ ืื™ืŸ ื“ื™ ืžืึธื“ืขืœ ืฆื• ืจืขื›ืขื ืขืŸ ื“ื™ ืฆื™ื™ื˜ ืฆื•ื•ื™ืฉืŸ ืคื™ื™ืœื™ืขืจื–, MTBF. ื˜ืจืึธืฅ ื–ื™ื™ึทืŸ ืึทื“ื•ื•ืึทื ื˜ื™ื“ื–ืฉื™ื–, ืžื™ืœ-ื”ื“ื‘ืง-217 ื•ื•ืขืจื˜ ื•ื•ื™ื™ื ื™ืงืขืจ ืื•ืŸ ื•ื•ื™ื™ื ื™ืงืขืจ ืคืึธืœืงืก [12, 17,42,50,51, XNUMX, XNUMX, XNUMX]. ื–ืืœ ืก ื‘ืึทื˜ืจืึทื›ื˜ืŸ ืึท ื“ืขืจืขื ื“ื™ืงื˜ ืจืฉื™ืžื” ืคื•ืŸ ืจื™ืกื˜ืจื™ืงืฉืึทื ื– ืื•ื™ืฃ ื–ื™ื™ึทืŸ ืึธื ื•ื•ืขื ื“ืœืขืš.

  1. ื“ื™ ื“ืึทื˜ืŸ ื–ืขื ืขืŸ ื™ื ืงืจื™ืกื™ื ื’ืœื™ ืึทื•ื˜ื“ื™ื™ื˜ื™ื“, ื–ื™ื ื˜ ื–ื™ื™ ื–ืขื ืขืŸ ืœืขืฆื˜ ื“ืขืจื”ื™ื™ึทื ื˜ื™ืงื˜ ืื™ืŸ 1995 ืื•ืŸ ื ื™ืฉื˜ ื‘ืึทื˜ื™ื™ึทื˜ื™ืง ืฆื• ื“ื™ ื ื™ื™ึทืข ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ืขืก ืื™ื– ืงื™ื™ืŸ ื’ืขืœืขื’ื ื”ื™ื™ึทื˜ ืึทื– ื“ื™ ืžืึธื“ืขืœ ื•ื•ืขื˜ ื–ื™ื™ืŸ ืจื™ื•ื•ื™ื™ื–ื“ ื•ื•ื™ื™ึทืœ ื“ื™ ื“ื™ืคืขื ืก ืกื˜ืึทื ื“ืึทืจื“ืก ื™ืžืคึผืจืึธื•ื•ืขืžืขื ื˜ ื‘ืึธืจื“ ื”ืื˜ ื‘ืึทืฉืœืึธืกืŸ ืฆื• ืœืึธื–ืŸ ื“ืขื ืื•ืคึฟืŸ "ืฉื˜ืึทืจื‘ืŸ ืึท ื ืึทื˜ื™ืจืœืขืš ื˜ื•ื™ื˜" 26 ].
  2. ื“ืขืจ ืื•ืคึฟืŸ ื’ื™ื˜ ื ื™ืฉื˜ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื“ื™ ื“ื•ืจื›ืคืึทืœ ืžืึธื“ืข, ืึทื–ื•ื™ ื“ื™ ืคึผืงื‘ ืื•ื™ืกืœื™ื™ื’ ืงืขื ืขืŸ ื ื™ื˜ ื–ื™ื™ืŸ ื™ืžืคึผืจื•ื•ื•ื“ ืึธื“ืขืจ ืึธืคึผื˜ื™ืžื™ื–ืขื“.
  3. ื“ื™ ืžืึธื“ืขืœืก ื™ื‘ืขืจื ืขืžืขืŸ ืึทื– ื“ื•ืจื›ืคืึทืœ ืื™ื– ืคึผืœืึทืŸ ืคืจื™ื™ึท, ื™ื’ื ืึธืจื™ื ื’ ื“ื™ ืื•ื™ืกืœื™ื™ื’ ืคื•ืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ื™ืฃ ื“ื™ ืคึผืงื‘, ืึธื‘ืขืจ, ืงืึธืžืคึผืึธื ืขื ื˜ ืื•ื™ืกืœื™ื™ื’ ืื™ื– ื‘ืึทื•ื•ื•ืกื˜ ืฆื• ื”ืึธื‘ืŸ ืึท ื’ืจื•ื™ืก ืคึผืจืึทืœ ืื•ื™ืฃ ื“ื™ ืžืึทืฉืžืึธืขืก ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ. [50].
  4. ื“ื™ ื’ืขื–ืืžืœื˜ ืขืžืคึผื™ืจื™ืงืึทืœ ื“ืึทื˜ืŸ ื›ึผื•ืœืœ ืคื™ืœืข ื™ื ืึทืงื™ืขืจืึทืกื™ื–, โ€‹โ€‹ื“ืึทื˜ืŸ ื–ืขื ืขืŸ ื’ืขื ื™ืฆื˜ ืคื•ืŸ ืขืจืฉื˜ืขืจ-ื“ื•ืจ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืžื™ื˜ ืึท ื•ืžื ืึทื˜ื™ืจืœืขืš ื”ื•ื™ืš ื“ื•ืจื›ืคืึทืœ ืงื•ืจืก ืจืขื›ื˜ ืฆื• ืขืจืึธื•ื ื™ืึทืก ืจืขืงืึธืจื“ืก ืคื•ืŸ ืึทืคึผืขืจื™ื™ื˜ื™ื ื’ ืฆื™ื™ื˜, ืคืึทืจืจื™ื›ื˜ืŸ, ืืื–"ื• ื•, ื•ื•ืึธืก ืจืึทื“ื•ืกืึทื– ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืจืขื–ื•ืœื˜ืื˜ืŸ ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ืจืขื–ื•ืœื˜ืึทื˜ืŸ [51].

ืึทืœืข ื“ื™ ืฉืึธืจื˜ืงืึธืžื™ื ื’ืก ืึธื ื•ื•ื™ื™ึทื–ืŸ ืึทื– ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ืจืขืคึฟืขืจืขื ืฅ ืžืขื˜ื”ืึธื“ืก ื–ืึธืœ ื–ื™ื™ืŸ ืึทื•ื•ื•ื™ื“ื™ื“, ืึธื‘ืขืจ ืื™ืŸ ื“ื™ ืœื™ืžืึทืฅ ืคื•ืŸ ื“ื™ ืึทื“ืžื™ืกืกืึทื‘ื™ืœื™ื˜ื™ ืคื•ืŸ ื“ื™ ืžืขื˜ื”ืึธื“ืก, ืึท ื ื•ืžืขืจ ืคื•ืŸ ืจืขืงื•ื•ื™ืจืขืžืขื ืฅ ืคื•ืŸ ื“ื™ ื˜ืขื›ื ื™ืฉ ืกืคึผืขืกืึทืคืึทืงื™ื™ืฉืึทื ื– ืžื•ื–ืŸ ื–ื™ื™ืŸ ื™ืžืคึผืœืึทืžืขื ืึทื“. ื“ืขืจื™ื‘ืขืจ, ืจืขืคึฟืขืจืขื ืฅ ืžืขื˜ื”ืึธื“ืก ื–ืึธืœ ื–ื™ื™ืŸ ื’ืขื ื™ืฆื˜ ื‘ืœื•ื™ื– ื•ื•ืขืŸ ืฆื•ื ืขืžืขืŸ, ื“"ื”. ืื™ืŸ ื“ืขืจ ืคืจื™ ืกื˜ืึทื’ืขืก ืคื•ืŸ ืคึผืœืึทืŸ [46]. ืฆื•ื ื‘ืึทื“ื•ื™ืขืจืŸ, ืืคื™ืœื• ื“ืขื ื ื•ืฆืŸ ื–ืึธืœ ื–ื™ื™ืŸ ืึทืคึผืจืึธื•ื˜ืฉื˜ ืžื™ื˜ ืขื˜ืœืขื›ืข ื•ื•ืึธืจืขื ืขืŸ, ื•ื•ื™ื™ึทืœ ื“ื™ ื˜ื™ื™ืคึผืก ืคื•ืŸ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื ื™ืฉื˜ ืจื™ื•ื•ื™ื™ื–ื“ ื–ื™ื ื˜ 1995. ื“ืขืจื™ื‘ืขืจ, ืจืขืคึฟืขืจืขื ืฅ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื™ื ื›ืขืจืึทื ื˜ืœื™ ื ืขื‘ืขืš ืคึผืจื™ื“ื™ืงื˜ืขืจื– ืคื•ืŸ ืžืขื˜ืฉืึทื ื™ืงืึทืœ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืื•ืŸ ื–ืึธืœ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ืžื™ื˜ ื•ื•ืึธืจืขื ืขืŸ.

6. ื˜ืขืกื˜ ื“ืึทื˜ืŸ ืžืขื˜ื”ืึธื“ืก

ื˜ืขืกื˜ ื“ืึทื˜ืŸ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื“ื™ ืกื™ืžืคึผืœืึทืกื˜ ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื– ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™. ื ืคึผืจืึธื•ื˜ืึทื˜ื™ื™ืคึผ ืคื•ืŸ ื“ื™ ืคืืจื’ืขืœื™ื™ื’ื˜ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ ืคึผืœืึทืŸ ืื™ื– ืื•ื ื˜ืขืจื˜ืขื ื™ืง ืฆื• ื™ื ื•ื•ื™ื™ืจืึทื ืžืขื ืึทืœ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทื ื– ืจื™ืคึผืจืึทื“ื•ืกื˜ ืื•ื™ืฃ ืึท ืœืึทื‘ืึธืจืึทื˜ืึธืจื™ืข ื‘ืึทื ืง. ื•ื•ื™ื™ึทื˜ืขืจ, ื“ื™ ืฆืขืฉื˜ืขืจื•ื ื’ ืคึผืึทืจืึทืžืขื˜ืขืจืก (ืžื˜ืฃ, ืงืœืึทืคึผ ืกืคึผืขืงื˜ืจื•ื) ื–ืขื ืขืŸ ืึทื ืึทืœื™ื™ื–ื“, ืื•ืŸ ื“ืึธืก ืื™ื– ื’ืขื ื™ืฆื˜ ืฆื• ืจืขื›ืขื ืขืŸ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื™ื ื“ื™ืงืึทื˜ืึธืจืก [26]. ื“ื™ ืคึผืจืึธื‘ืข ื“ืึทื˜ืŸ ืื•ืคึฟืŸ ื–ืึธืœ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ืžื™ื˜ ื–ื™ื™ืŸ ืึทื“ื•ื•ืึทื ื˜ื™ื“ื–ืฉื™ื– ืื•ืŸ ื“ื™ืกืึทื“ื•ื•ืึทื ื˜ื™ื“ื–ืฉื™ื–.
ื“ื™ ื”ื•ื™ืคึผื˜ ืžื™ื™ึทืœืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ื˜ืขืกื˜ ื“ืึทื˜ืŸ ืžืขื˜ื”ืึธื“ืก ืื™ื– ื“ื™ ื”ื•ื™ืš ืึทืงื™ืขืจืึทืกื™ ืื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ื“ื™ ืจืขื–ื•ืœื˜ืึทื˜ืŸ, ืึทื–ื•ื™ ืคึฟืึทืจ ื•ื™ืกืจื™ื›ื˜ ืžื™ื˜ ืึท ื”ื•ื™ืš ืจื™ื–ื™ืงื™ืจืŸ ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ, ื“ื™ ืœืขืฆื˜ ื‘ื™ื ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ืคึผืœืึทืŸ ืคึผืจืึธืฆืขืก ื–ืึธืœ ืฉื˜ืขื ื“ื™ืง ืึทืจื™ื™ึทื ื ืขืžืขืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืงื•ื•ืึทืœื™ืคื™ืงืึทืฆื™ืข ื˜ืขืกื˜ื™ื ื’. ื“ื™ ื›ื™ืกืึธืจืŸ ืื™ื– ื“ื™ ืœืึทื ื’ ืฆื™ื™ื˜ ืขืก ื ืขืžื˜ ืฆื• ืคึผืจืึธื“ื•ืฆื™ืจืŸ, ื™ื ืกื˜ืึทืœื™ืจืŸ ืื•ืŸ ืžืึทืกืข ื“ื™ ืคึผืจืึธื‘ืข ืฉื˜ื™ืง, ื•ื•ืึธืก ืžืื›ื˜ ื“ืขื ืื•ืคึฟืŸ ื•ืžืคึผืึทืกื™ืง ืคึฟืึทืจ ืคึผืœืึทืŸ ื™ืžืคึผืจื•ื•ื•ืžืึทื ืฅ ืคื•ืŸ ื•ื™ืกืจื™ื›ื˜ ืžื™ื˜ ืึท ื”ื•ื™ืš ืžืึทืฉืžืึธืขืก ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ. ืคึฟืึทืจ ืึท ื™ื˜ืขืจืึทื˜ื™ื•ื• ืคึผืจืึธื“ื•ืงื˜ ืคึผืœืึทืŸ ืคึผืจืึธืฆืขืก, ืึท ืคืึทืกื˜ืขืจ ืื•ืคึฟืŸ ื–ืึธืœ ื–ื™ื™ืŸ ืงืึทื ืกื™ื“ืขืจื“. ืžืึทืกืข ื•ื™ืกืฉื˜ืขืœืŸ ืฆื™ื™ื˜ ืงืขื ืขืŸ ื–ื™ื™ืŸ ืจื™ื“ื•ืกื˜ ื“ื•ืจืš ืึทืงืกืขืœืขืจื™ื™ื˜ื™ื“ ื˜ืขืกื˜ื™ื ื’ ืื•ื™ื‘ ืคืึทืจืœืึธื–ืœืขืš ืžืึธื“ืขืœืก ื–ืขื ืขืŸ ื‘ืืจืขื›ื˜ื™ื’ื˜ ืคึฟืึทืจ ืกืึทื‘ืกืึทืงื•ื•ืึทื ื˜ ื›ืขื–ืฉื‘ืŸ ืคื•ืŸ ืคืึทืงื˜ื™ืฉ ื“ื™ื ืกื˜ ืœืขื‘ืŸ [70,71]. ืึธื‘ืขืจ, ืึทืงืกืขืœืขืจื™ื™ื˜ื™ื“ ืคึผืจื•ื‘ื™ืจืŸ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ืžืขืจ ืคึผืึทืกื™ืง ืคึฟืึทืจ ืžืึธื“ืขืœื™ื ื’ ื˜ืขืจืžืึทืœ ืคื™ื™ืœื™ืขืจื– ื•ื•ื™ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืคื™ื™ืœื™ืขืจื–. ื“ืึธืก ืื™ื– ื•ื•ื™ื™ึทืœ ืขืก ื ืขืžื˜ ื•ื•ื™ื™ื ื™ืงืขืจ ืฆื™ื™ื˜ ืฆื• ืคึผืจื•ื‘ื™ืจืŸ ื“ื™ ื™ืคืขืงืฅ ืคื•ืŸ ื˜ืขืจืžืึทืœ ืœืึธื•ื“ื– ืื•ื™ืฃ ื•ื™ืกืจื™ื›ื˜ ื•ื•ื™ ืฆื• ืคึผืจื•ื‘ื™ืจืŸ ื“ื™ ื™ืคืขืงืฅ ืคื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืœืึธื•ื“ื–. ื“ื™ ื•ื•ื™ืจืงื•ื ื’ ืคื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืงืขื ืขืŸ ื“ืขืจืฉื™ื™ึทื ืขืŸ ืื™ืŸ ื“ื™ ืคึผืจืึธื“ื•ืงื˜ ื‘ืœื•ื™ื– ื ืึธืš ืึท ืœืึทื ื’ ืฆื™ื™ึทื˜.

ื•ื•ื™ ืึท ืงืึทื ืกืึทืงื•ื•ืึทื ืก, ืคึผืจื•ื‘ื™ืจืŸ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื‘ื›ืœืœ ื ื™ืฉื˜ ื’ืขื ื™ืฆื˜ ืคึฟืึทืจ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืคื™ื™ืœื™ืขืจื– ืกื™ื™ึทื“ืŸ ืขืก ื–ืขื ืขืŸ ื™ืงืกื˜ืขื ื•ื•ื™ื™ื˜ื™ื ื’ ืฆื•ืฉื˜ืื ื“ืŸ, ืึทื–ืึท ื•ื•ื™ ื ื™ื“ืขืจื™ืง ื•ื•ืึธื•ืœื˜ืึทื“ื–ืฉืึทื– ืจื™ื–ืึทืœื˜ื™ื ื’ ืื™ืŸ ื–ื™ื™ืขืจ ืœืึทื ื’ ืฆื™ื™ื˜ ืฆื• ื“ื•ืจื›ืคืึทืœ. ื‘ื™ื™ืฉืคื™ืœืŸ ืคื•ืŸ ื“ืึทื˜ืŸ ื•ื•ืขืจืึทืคืึทืงื™ื™ืฉืึทืŸ ืžืขื˜ื”ืึธื“ืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื–ืขืŸ ืื™ืŸ ื“ื™ ื•ื•ืขืจืง ืคื•ืŸ Hart [23], Hin et al. [24], ืœื™ [37], ืœืึทื• ืขื˜ ืขืœ. [36], Shetty et al. [57], Liguore ืื•ืŸ Followell [40], Estes et al. [15], ื•ื•ืึทื ื’ ืขื˜ ืขืœ. [67], ื“ื–ืฉื™ื” ืื•ืŸ ื™ื•ื ื’ [30]. ื ื’ื•ื˜ ื’ืขื ืขืจืึทืœ ืื™ื‘ืขืจื‘ืœื™ืง ืคื•ืŸ ื“ืขื ืื•ืคึฟืŸ ืื™ื– ื’ืขื’ืขื‘ืŸ ืื™ืŸ IEEE [26].

7. ืขืงืกืคึผืขืจื™ืžืขื ื˜ืึทืœ ื“ืึทื˜ืŸ ืžืขื˜ื”ืึธื“ืก

ื“ื™ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ืื•ืคึฟืŸ ืื™ื– ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ื“ื•ืจื›ืคืึทืœ ื“ืึทื˜ืŸ ืคื•ืŸ ืขื ืœืขืš ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืึธืจื“ื– ื•ื•ืึธืก ื–ืขื ืขืŸ ื˜ืขืกื˜ืขื“ ืื•ื ื˜ืขืจ ืกืคึผืขืกื™ืคื™ืขื“ ืึทืคึผืขืจื™ื™ื˜ื™ื ื’ ื‘ืื“ื™ื ื’ื•ื ื’ืขืŸ. ื“ืขืจ ืื•ืคึฟืŸ ืื™ื– ื‘ืœื•ื™ื– ืจื™ื›ื˜ื™ืง ืคึฟืึทืจ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืึธืจื“ื– ื•ื•ืึธืก ื•ื•ืขื˜ ื“ืขืจืคืึทืจื•ื ื’ ืขื ืœืขืš ืœืึธื•ื“ื–. ื“ืขืจ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ืื•ืคึฟืŸ ื”ืื˜ ืฆื•ื•ื™ื™ ื”ื•ื™ืคึผื˜ ืึทืกืคึผืขืงืฅ: ืงืึทื ืกื˜ืจืึทืงื˜ื™ื ื’ ืึท ื“ืึทื˜ืึทื‘ื™ื™ืก ืคื•ืŸ ืคื™ื™ืœื™ืขืจื– ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ืŸ ื™ืžืคึผืœืึทืžืขื ื™ื ื’ ื“ืขื ืื•ืคึฟืŸ ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ื“ื™ ืคืืจื’ืขืœื™ื™ื’ื˜ ืคึผืœืึทืŸ. ืฆื• ื‘ื•ื™ืขืŸ ืึท ืฆื•ื ืขืžืขืŸ ื“ืึทื˜ืึทื‘ื™ื™ืก, ืขืก ืžื•ื–ืŸ ื–ื™ื™ืŸ ื‘ืึทื˜ื™ื™ึทื˜ื™ืง ื“ื•ืจื›ืคืึทืœ ื“ืึทื˜ืŸ ื•ื•ืึธืก ื–ืขื ืขืŸ ื’ืขื–ืืžืœื˜ ืคึฟื•ืŸ ืขื ืœืขืš ื“ื™ื–ื™ื™ื ื–; ื“ืขื ืžื™ื˜ืœ ืึทื– ื“ืึทื˜ืŸ ืื•ื™ืฃ ืคื™ื™ืœื™ืขืจื– ืคื•ืŸ ืขื ืœืขืš ื•ื™ืกืจื™ื›ื˜ ืžื•ื–ืŸ ืขืงืกื™ืกื˜ื™ืจืŸ. ืคืึธืœื˜ื™ ื•ื™ืกืจื™ื›ื˜ ืžื•ื–ืŸ ืื•ื™ืš ื–ื™ื™ืŸ ืึทื ืึทืœื™ื™ื–ื“ ืื•ืŸ ืกื˜ืึทื˜ื™ืกื˜ื™ืง ืงืึทืœืขืงื˜ืึทื“ ืจืขื›ื˜, ืขืก ืื™ื– ื ื™ืฉื˜ ื’ืขื ื•ื’ ืฆื• ื–ืึธื’ืŸ ืึทื– ืึท ื’ืขื’ืขื‘ืŸ ืคึผืงื‘ ืคึผืœืึทืŸ ืื™ื– ื“ื•ืจื›ื’ืขืงืึธื›ื˜ ื ืึธืš ืึท ื–ื™ื›ืขืจ ื ื•ืžืขืจ ืคื•ืŸ ืฉืขื”, ื“ื™ ืึธืจื˜, ื“ื•ืจื›ืคืึทืœ ืžืึธื“ืข ืื•ืŸ ื’ืจื•ื ื˜ ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ ืžื•ื–ืŸ ื–ื™ื™ืŸ ื‘ืืฉืœืืกืŸ. ืกื™ื™ื“ืŸ ืึทืœืข ืคืจื™ืขืจื“ื™ืงืข ื“ื•ืจื›ืคืึทืœ ื“ืึทื˜ืŸ ื”ืึธื‘ืŸ ืฉื•ื™ืŸ ื•ื  ื“ื•ืจืš ืึทื ืึทืœื™ื™ื–ื“, ืึท ืœืึทื ื’ ืฆื™ื™ื˜ ืคื•ืŸ ื“ืึทื˜ืŸ ื–ืึทืžืœื•ื ื’ ื•ื•ืขื˜ ื–ื™ื™ืŸ ืคืืจืœืื ื’ื˜ ืื™ื™ื“ืขืจ ื“ื™ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ืื•ืคึฟืŸ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜.

ื ืžืขื’ืœืขืš ื•ื•ืึธืจืงืึทืจืึธื•ื ื“ ืคึฟืึทืจ ื“ืขื ื‘ืึทื’ืจืขื ืขืฆื•ื ื’ ืื™ื– ืฆื• ื™ื ืกื˜ืจื•ืžืขื ื˜ ื”ืขื›ืกื˜ ืึทืงืกืขืœืขืจื™ื™ื˜ื™ื“ ืœื™ืคืขืกื™ืงืœืข ื˜ืขืกื˜ื™ื ื’ (HALT) ืคึฟืึทืจ ื“ื™ ืฆื™ืœ ืคื•ืŸ ื’ืขืฉื•ื•ื™ื ื“ ื‘ื•ื™ืขืŸ ืึท ื“ื•ืจื›ืคืึทืœ ืงื•ืจืก ื“ืึทื˜ืึทื‘ื™ื™ืก, ื›ืึธื˜ืฉ ืึทืงื™ืขืจืึทื˜ืœื™ ืจืขืคึผืจืึธื“ื•ืฆื™ืจืŸ ื™ื ื•ื•ื™ื™ืจืึทื ืžืขื ืึทืœ ืคึผืึทืจืึทืžืขื˜ืขืจืก ืื™ื– ื˜ืฉืึทืœืึทื ื“ื–ืฉื™ื ื’ ืึธื‘ืขืจ ื•ื•ื™ื˜ืึทืœ [27]. ื ื‘ืึทืฉืจื™ื™ึทื‘ื•ื ื’ ืคื•ืŸ ื“ื™ ืจื’ืข ื‘ื™ื ืข ืคื•ืŸ โ€‹โ€‹ื™ืžืคึผืœืึทืžืขื ื™ื ื’ ื“ื™ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ืื•ืคึฟืŸ ืงืขื ืขืŸ ื–ื™ื™ืŸ ืœื™ื™ืขื ืขืŸ ืื™ืŸ [27], ื•ื•ืึธืก ื•ื•ื™ื™ื–ื˜ ื•ื•ื™ ืฆื• ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ื“ื™ MTBF ืคึฟืึทืจ ืึท ืคืืจื’ืขืœื™ื™ื’ื˜ ืคึผืœืึทืŸ ืื•ื™ื‘ ื“ืขืจ ืคึผืœืึทืŸ ืื•ื ื˜ืขืจ ืคึผืจื•ื‘ื™ืจืŸ ืื™ื– ื‘ืืงื•ืžืขืŸ ื“ื•ืจืš ืžืึธื“ื™ืคื™ืฆื™ืจืŸ ืึท ื™ื’ื–ื™ืกื˜ื™ื ื’ ื‘ืจืขื˜ ืคึฟืึทืจ ื•ื•ืึธืก ื“ื™ื˜ื™ื™ืœื“ ื“ื•ืจื›ืคืึทืœ ื“ืึทื˜ืŸ ืฉื•ื™ืŸ ื™ื’ื–ื™ืกืฅ. . ืื ื“ืขืจืข ื‘ืืจื™ื›ื˜ืŸ ืคื•ืŸ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื“ื™ืกืงืจื™ื™ื‘ื“ ื“ื•ืจืš ืคืึทืจืฉื™ื“ืŸ ืžื—ื‘ืจื™ื ืื™ืŸ [11,17,20,26].

8. ืงืึธืžืคึผื™ื•ื˜ืขืจ ืกื™ืžื™ืึทืœื™ื™ืฉืึทืŸ ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ ื˜ื ืึธื™ื (PoF)

ืงืึธืžืคึผื™ื•ื˜ืขืจ ืžืึธื“ืขืœื™ื ื’ ื˜ืขืงื ื™ืงืก ืคึฟืึทืจ ื“ื•ืจื›ืคืึทืœ ื˜ื ืึธื™ื, ืื•ื™ืš ื’ืขืจื•ืคืŸ ื“ืจื•ืง ืื•ืŸ ืฉืขื“ื™ืงืŸ ืžืึธื“ืขืœืก ืึธื“ืขืจ ืคึผืึธืฃ ืžืึธื“ืขืœืก, ื–ืขื ืขืŸ ื™ืžืคึผืœืึทืžืขื ืึทื“ ืื™ืŸ ืึท ืฆื•ื•ื™ื™-ืฉืจื™ื˜ ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื– ืคื•ืŸ ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื–. ื“ืขืจ ืขืจืฉื˜ืขืจ ื‘ื™ื ืข ื›ื•ืœืœ ื–ื•ื›ืŸ ืคึฟืึทืจ ื“ื™ ืขื ื˜ืคืขืจ ืคื•ืŸ ื“ื™ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ ืฆื• ืึท ื“ื™ื ืึทืžื™ืฉ ืžืึทืกืข ื™ืžืคึผืึธื•ื–ื“ ืื•ื™ืฃ ืขืก; ืื™ืŸ ื“ื™ ืจื’ืข ื‘ื™ื ืข, ื“ื™ ืขื ื˜ืคืขืจ ืคื•ืŸ ื“ื™ ืžืึธื“ืขืœ ืื™ื– ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ืฆื• ืขื ืฉื•ืจ ืึท ื’ืขื’ืขื‘ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื’ืจืื“ืŸ. ืจื•ื‘ึฟ ืคื•ืŸ ื“ื™ ืœื™ื˜ืขืจืึทื˜ื•ืจ ืื™ื– ืึธืคื˜ ื“ืขื“ืึทืงื™ื™ื˜ืึทื“ ืฆื• ื‘ื™ื™ื“ืข ื“ืขืจ ืื•ืคึฟืŸ ืคื•ืŸ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ืขื ื˜ืคืขืจ ืื•ืŸ ื“ืขืจ ืคึผืจืึธืฆืขืก ืคื•ืŸ ื“ืขืจื’ื™ื™ื•ื ื’ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท. ื“ื™ ืฆื•ื•ื™ื™ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื‘ืขืกื˜ืขืจ ืคืืจืฉื˜ืื ืขืŸ ื•ื•ืขืŸ ื“ื™ืกืงืจื™ื™ื‘ื“ ื™ื ื“ื™ืคึผืขื ื“ืึทื ื˜ืœื™, ืึทื–ื•ื™ ื“ื™ ืจืขืฆืขื ื–ื™ืข ื•ื•ืขื˜ ื‘ืึทื˜ืจืึทื›ื˜ืŸ ื“ื™ ืฆื•ื•ื™ื™ ืกื˜ืขืคึผืก ืกืขืคึผืขืจืึทื˜ืœื™.

ืฆื•ื•ื™ืฉืŸ ื“ื™ ืกื˜ืึทื’ืขืก ืคื•ืŸ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ื“ื™ ืขื ื˜ืคืขืจ ืื•ืŸ ื–ื•ื›ืŸ ืคึฟืึทืจ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท, ื“ื™ ื“ืึทื˜ืŸ ืฉื˜ืขืœืŸ ื‘ืืฉืืคืŸ ืื™ืŸ ื“ืขืจ ืขืจืฉื˜ืขืจ ื‘ื™ื ืข ืื•ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ืื™ืŸ ื“ื™ ืจื’ืข ืื™ื– ื˜ืจืึทื ืกืคืขืจื“ ืฆื• ื“ื™ ืžืึธื“ืขืœ. ื“ืขืจ ืขื ื˜ืคืขืจ ื•ื•ืขืจื™ืึทื‘ืึทืœ ืื™ื– ื™ื•ื•ืึทืœื•ื•ื“ ืคื•ืŸ ื ื™ืฆืŸ ื“ื™ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ืึทืงืกืขืœืขืจื™ื™ืฉืึทืŸ ืื•ื™ืฃ ื“ื™ ืฉืึทืกื™ [15,36,37,67], ื“ื•ืจืš ื“ื™ ืคืึทืงื˜ื™ืฉ ืึทืงืกืขืœืขืจื™ื™ืฉืึทืŸ ื™ืงืกืคึผื™ืจื™ืึทื ืกื˜ ื“ื•ืจืš ื“ื™ ืงืึธืžืคึผืึธื ืขื ื˜ ืฆื• ืจืขื›ืขื ืขืŸ ื“ื™ ืคืึทืจืฉื™ื“ืขื ืข ื•ื•ื™ื‘ืจื™ื™ืฉืึทืŸ ืจืขืกืคึผืึธื ืกืขืก ืคื•ืŸ ืคืึทืจืฉื™ื“ืขื ืข ืคึผืงื‘ ืœื™ื™ืึทื•ืฅ [40], ืื•ืŸ ืœืขืกืึธืฃ ืฆื• ื‘ืึทื˜ืจืึทื›ื˜ืŸ ื”ื™ื’ืข ืฉืคึผืึทืฆื™ืจ [62] ืึธื“ืขืจ ื”ื™ื’ืข ื‘ืขื ื“ื™ื ื’ ืžืึธื•ืžืึทื ืฅ [59] ื™ืงืกืคึผื™ืจื™ืึทื ืกื˜ ื“ื•ืจืš ื“ื™ ืคึผืงื‘ ื”ื™ื’ืข ืฆื• ื“ื™ ืงืึธืžืคึผืึธื ืขื ื˜.

ืขืก ืื™ื– ื‘ืืžืขืจืงื˜ ืึทื– ื“ื•ืจื›ืคืึทืœ ืื™ื– ืึท ืคึฟื•ื ืงืฆื™ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ืึธืจื“ืขื ื•ื ื’ ืคื•ืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ื™ืฃ ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ [21,38], ืึทื–ื•ื™ ืžืึธื“ืขืœืก ื•ื•ืึธืก ื™ื ืงืึธืจืคึผืขืจื™ื™ื˜ ื”ื™ื’ืข ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืขื ื˜ืคืขืจ ื–ืขื ืขืŸ ืžืขืจ ืžืกืชึผืžื ืฆื• ื–ื™ื™ืŸ ืคึผื™ื ื˜ืœืขืš. ื“ื™ ื‘ืจื™ืจื” ืคื•ืŸ ื•ื•ืึธืก ืคึผืึทืจืึทืžืขื˜ืขืจ (ื”ื™ื’ืข ืึทืงืกืขืœืขืจื™ื™ืฉืึทืŸ, ื”ื™ื’ืข ื“ืขืคืœืขืงื˜ื™ืึธืŸ ืึธื“ืขืจ ื‘ืขื ื“ื™ื ื’ ืžืึธืžืขื ื˜) ืื™ื– ื“ื™ ื“ื™ื˜ืขืจืžืึทื ื™ื ื’ ืคืึทืงื˜ืึธืจ ืคึฟืึทืจ ื“ื•ืจื›ืคืึทืœ ื“ืขืคึผืขื ื“ืก ืื•ื™ืฃ ื“ื™ ืกืคึผืขืฆื™ืคื™ืฉ ืคืึทืœ.
ืื•ื™ื‘ ืกืžื˜ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื–ืขื ืขืŸ ื’ืขื ื™ืฆื˜, ืงืขืจื•ื•ืึทื˜ืฉืขืจ ืึธื“ืขืจ ื‘ืขื ื“ื™ื ื’ ืžืึธื•ืžืึทื ืฅ ืงืขืŸ ื–ื™ื™ืŸ ื“ื™ ืžืขืจืกื˜ ื•ื•ื™ื›ื˜ื™ืง ืกื™ื‘ื•ืช ืคึฟืึทืจ ื“ื•ืจื›ืคืึทืœ; ืคึฟืึทืจ ืฉื•ื•ืขืจ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ื”ื™ื’ืข ืึทืงืกืขืœืขืจื™ื™ืฉืึทื ื– ื–ืขื ืขืŸ ื˜ื™ืคึผื™ืงืœื™ ื’ืขื ื™ืฆื˜ ื•ื•ื™ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท. ืฆื•ื ื‘ืึทื“ื•ื™ืขืจืŸ, ืงื™ื™ืŸ ืคืึธืจืฉื•ื ื’ ืื™ื– ื’ืขื•ื•ืขืŸ ื’ืขืคื™ืจื˜ ืฆื• ื•ื•ื™ื™ึทื–ืŸ ื•ื•ืึธืก ื˜ื™ืคึผ ืคื•ืŸ ืงืจื™ื™ื˜ื™ืจื™ืึท ืื™ื– ืžืขืจืกื˜ ืฆื•ื ืขืžืขืŸ ืื™ืŸ ืึท ื’ืขื’ืขื‘ืŸ ื’ืึทื ื’ ืคื•ืŸ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ื“ืึทื˜ืŸ.

ืขืก ืื™ื– ื•ื•ื™ื›ื˜ื™ืง ืฆื• ื‘ืึทื˜ืจืึทื›ื˜ืŸ ื“ื™ ืคึผืึทืกืึทื‘ื™ืœืึทื˜ื™ื– ืคื•ืŸ ืงื™ื™ืŸ ืคึผืึธืฃ ืžืขื˜ื”ืึธื“ืก ื’ืขื ื™ืฆื˜, ื•ื•ื™ื™ึทืœ ืขืก ืื™ื– ื ื™ืฉื˜ ืคึผืจืึทืงื˜ื™ืฉ ืฆื• ื ื•ืฆืŸ ืงื™ื™ืŸ PoF ืื•ืคึฟืŸ, ืึทื ืึทืœื™ืกื™ืก ืึธื“ืขืจ FE, ื•ื•ืึธืก ืื™ื– ื ื™ืฉื˜ ื’ืขืฉื˜ื™ืฆื˜ ื“ื•ืจืš ืœืึทื‘ืึธืจืึทื˜ืึธืจื™ืข ืคึผืจื•ื‘ื™ืจืŸ ื“ืึทื˜ืŸ. ืึทื“ื“ื™ื˜ื™ืึธื ืึทืœืœื™, ืขืก ืื™ื– ื•ื•ื™ื›ื˜ื™ืง ืฆื• ื ื•ืฆืŸ ืงื™ื™ืŸ ืžืึธื“ืขืœ ื‘ืœื•ื™ื– ืื™ืŸ ื“ื™ ืคืึทืจื ืขื ืคื•ืŸ ื–ื™ื™ึทืŸ ืึธื ื•ื•ืขื ื“ืœืขืš, ื•ื•ืึธืก ืœื™ื™ื“ืขืจ ืœื™ืžืึทืฅ ื“ื™ ืึธื ื•ื•ืขื ื“ืœืขืš ืคื•ืŸ ืจื•ื‘ึฟ ืงืจืึทื ื˜ ืคึผืึธืฃ ืžืึธื“ืขืœืก ืฆื• ื ื•ืฆืŸ ืื™ืŸ ื–ื™ื™ืขืจ ืกืคึผืขืฆื™ืคื™ืฉ ืื•ืŸ ืœื™ืžื™ื˜ืขื“ ื˜ื ืึธื™ื. ื’ื•ื˜ืข ื‘ื™ื™ืฉืคื™ืœืŸ ืคื•ืŸ ื“ื™ืกืงื•ืกื™ืข ืคื•ืŸ โ€‹โ€‹ืคึผืึธืฃ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื“ื™ืกืงืจื™ื™ื‘ื“ ื“ื•ืจืš ืคืึทืจืฉื™ื“ืŸ ืžื—ื‘ืจื™ื [17,19,26,49].

8.1. ืขื ื˜ืคืขืจ ืคึผืจืึธื’ื ืึธื–

ืขื ื˜ืคืขืจ ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ื™ื ื•ื•ืึทืœื•ื•ื– ื ื™ืฆืŸ ื“ื™ ื“ื–ืฉื™ืึทืžืึทื˜ืจื™ ืื•ืŸ ืžืึทื˜ืขืจื™ืึทืœ ืคึผืจืึธืคึผืขืจื˜ื™ืขืก ืคื•ืŸ ืึท ืกื˜ืจื•ืงื˜ื•ืจ ืฆื• ืจืขื›ืขื ืขืŸ ื“ื™ ืคืืจืœืื ื’ื˜ ืขื ื˜ืคืขืจ ื‘ื™ื™ึทื˜ืขื•ื•ื“ื™ืง. ื“ืขืจ ืฉืจื™ื˜ ืื™ื– ื’ืขืจื™ื›ื˜ ืฆื• ื›ืึทืคึผืŸ ื‘ืœื•ื™ื– ื“ื™ ืงื•ื™ืœืขืœื“ื™ืง ืขื ื˜ืคืขืจ ืคื•ืŸ ื“ื™ ืึทื ื“ืขืจืœื™ื™ื™ื ื’ ืคึผืงื‘ ืื•ืŸ ื ื™ืฉื˜ ื“ื™ ืขื ื˜ืคืขืจ ืคื•ืŸ ื™ื—ื™ื“ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ. ืขืก ื–ืขื ืขืŸ ื“ืจื™ื™ ื”ื•ื™ืคึผื˜ ื˜ื™ื™ืคึผืก ืคื•ืŸ ืขื ื˜ืคืขืจ ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ืžืขื˜ื”ืึธื“ืก: ืึทื ืึทืœื™ืกื™ืก, ื“ื™ื˜ื™ื™ืœื“ FE ืžืึธื“ืขืœืก ืื•ืŸ ืกื™ืžืคึผืœืึทืคื™ื™ื“ FE ืžืึธื“ืขืœืก, ื“ื™ืกืงืจื™ื™ื‘ื“ ืื•ื ื˜ืŸ. ื“ื™ ืžืขื˜ื”ืึธื“ืก ืคืึธืงื•ืก ืื•ื™ืฃ ื™ื ืงืึธืจืคึผืขืจื™ื™ื˜ื™ื ื’ ื“ื™ ืกื˜ื™ืคื ืึทืก ืื•ืŸ ืžืึทืกืข ื™ืคืขืงืฅ ืคื•ืŸ ืฆื•ื’ืขืœื™ื™ื’ื˜ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ืึธื‘ืขืจ ืขืก ืื™ื– ื•ื•ื™ื›ื˜ื™ืง ื ื™ืฉื˜ ืฆื• ืคืึทืจืœื™ืจืŸ ื“ืขืจื–ืขืŸ ื“ื™ ื•ื•ื™ื›ื˜ื™ืงื™ื™ื˜ ืคื•ืŸ ืึทืงื™ืขืจืึทื˜ืœื™ ืžืึธื“ืขืœื™ื ื’ ื“ื™ ืจืึธื•ื˜ื™ื™ืฉืึทื ืึทืœ ืกื˜ื™ืคื ืึทืก ื‘ื™ื™ึท ื“ื™ ื‘ืจืขื’ ืคื•ืŸ ื“ื™ ืคึผืงื‘ ื•ื•ื™ื™ึทืœ ื“ืึธืก ืื™ื– ืขื ื’ ืฉื™ื™ึทื›ื•ืช ืฆื• ืžืึธื“ืขืœ ืึทืงื™ืขืจืึทืกื™ (ื“ืึธืก ืื™ื– ื“ื™ืกืงืึทืกื˜ ืื™ืŸ ืึธืคึผื˜ื™ื™ืœื•ื ื’ 8.1.4). ืคื™ื’. 1. ื‘ื™ื™ึทืฉืคึผื™ืœ ืคื•ืŸ ืึท ื“ื™ื˜ื™ื™ืœื“ ืžืึธื“ืขืœ ืคื•ืŸ ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ [53].

ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืื•ื ื˜ืขืจื˜ืขื ื™ืง ืฆื• ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ - ืึทืŸ ืื™ื‘ืขืจื‘ืœื™ืง

8.1.1. ืคึผืจืึธื’ื ืึธื– ืคื•ืŸ ืึทื ืึทืœื™ื˜ื™ืฉ ืขื ื˜ืคืขืจ

ะ’ ั€ะฐะฑะพั‚ะต ะจั‚ะตะนะฝะฑะตั€ะณะฐ [62] ะฟั€ะธะฒะพะดะธั‚ัั ะตะดะธะฝัั‚ะฒะตะฝะฝั‹ะน ะฐะฝะฐะปะธั‚ะธั‡ะตัะบะธะน ะผะตั‚ะพะด ะฒั‹ั‡ะธัะปะตะฝะธั ะพั‚ะบะปะธะบะฐ ะฒะธะฑั€ะฐั†ะธะธ ะฟะตั‡ะฐั‚ะฝะพะน ะฟะปะฐั‚ั‹. ะจั‚ะตะนะฝะฑะตั€ะณ ัƒั‚ะฒะตั€ะถะดะฐะตั‚, ั‡ั‚ะพ ะฐะผะฟะปะธั‚ัƒะดะฐ ะบะพะปะตะฑะฐะฝะธั ะฟั€ะธ ั€ะตะทะพะฝะฐะฝัะต ัะปะตะบั‚ั€ะพะฝะฝะพะณะพ ัƒะทะปะฐ ั€ะฐะฒะฝะฐ ะดะฒัƒะบั€ะฐั‚ะฝะพะผัƒ ะบะฒะฐะดั€ะฐั‚ะฝะพะผัƒ ะบะพั€ะฝัŽ ั€ะตะทะพะฝะฐะฝัะฝะพะน ั‡ะฐัั‚ะพั‚ั‹; ัั‚ะพ ัƒั‚ะฒะตั€ะถะดะตะฝะธะต ะพัะฝะพะฒะฐะฝะพ ะฝะฐ ะฝะตะดะพัั‚ัƒะฟะฝั‹ั… ะดะฐะฝะฝั‹ั… ะธ ะฝะต ะฟะพะดะดะฐะตั‚ัั ะฟั€ะพะฒะตั€ะบะต. ะญั‚ะพ ะฟะพะทะฒะพะปัะตั‚ ะฐะฝะฐะปะธั‚ะธั‡ะตัะบะธ ั€ะฐััั‡ะธั‚ะฐั‚ัŒ ะดะธะฝะฐะผะธั‡ะตัะบะพะต ะพั‚ะบะปะพะฝะตะฝะธะต ะฟั€ะธ ั€ะตะทะพะฝะฐะฝัะต, ะบะพั‚ะพั€ะพะต ะฒะฟะพัะปะตะดัั‚ะฒะธะธ ะผะพะถะตั‚ ะฑั‹ั‚ัŒ ะธัะฟะพะปัŒะทะพะฒะฐะฝะพ ะดะปั ั€ะฐัั‡ะตั‚ะฐ ะปะธะฑะพ ะดะธะฝะฐะผะธั‡ะตัะบะพะน ะฝะฐะณั€ัƒะทะบะธ ะพั‚ ั‚ัะถะตะปะพะณะพ ะบะพะผะฟะพะฝะตะฝั‚ะฐ, ะปะธะฑะพ ะบั€ะธะฒะธะทะฝั‹ ะฟะตั‡ะฐั‚ะฝะพะน ะฟะปะฐั‚ั‹. ะญั‚ะพั‚ ะผะตั‚ะพะด ะฝะตะฟะพัั€ะตะดัั‚ะฒะตะฝะฝะพ ะฝะต ะดะฐะตั‚ ะปะพะบะฐะปัŒะฝะพะณะพ ะพั‚ะบะปะธะบะฐ ะฟะตั‡ะฐั‚ะฝะพะน ะฟะปะฐั‚ั‹ ะธ ัะพะฒะผะตัั‚ะธะผ ั‚ะพะปัŒะบะพ ั ะบั€ะธั‚ะตั€ะธัะผะธ ะพั‚ะบะฐะทะฐ ะฝะฐ ะพัะฝะพะฒะต ะพั‚ะบะปะพะฝะตะฝะธั, ะพะฟะธัะฐะฝะฝั‹ะผะธ ะจั‚ะตะนะฝะฑะตั€ะณะพะผ.

ื“ื™ ื’ื™ืœื˜ื™ืงื™ื™ื˜ ืคื•ืŸ ื“ื™ ื”ืึทืฉืึธืจืข ืคื•ืŸ โ€‹โ€‹ืึทืจื™ื‘ืขืจืคื™ืจืŸ ืคื•ื ืงืฆื™ืข ืคืึทืจืฉืคึผืจื™ื™ื˜ื•ื ื’ ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ืึทืžืคึผืœื™ื˜ื•ื“ ืžืขื–ืฉืขืจืžืึทื ืฅ ืื™ื– ืคึผืจืึธื‘ืœืขืžืึทื˜ื™ืฉ ื–ื™ื ื˜ Pitarresi ืขื˜ ืขืœ. Hz), ื•ื•ืึธืก ื•ื•ืึธืœื˜ ืคื™ืจืŸ ืฆื• ืึท ื’ืจื•ื™ืก ืึทื ื“ืขืจืขืกื˜ืึทืžื™ื™ืฉืึทืŸ ืคื•ืŸ ื“ื™ ื‘ืึธืจื“ ืก ืขื ื˜ืคืขืจ ืฆื• ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ.

8.1.2. ื“ืขื˜ืึทื™ืœืขื“ ืคืข ืžืึธื“ืขืœืก

ืขื˜ืœืขื›ืข ืžื—ื‘ืจื™ื ื‘ืึทื•ื•ื™ื™ึทื–ืŸ ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ื“ื™ื˜ื™ื™ืœื“ FE ืžืึธื“ืขืœืก ืฆื• ืจืขื›ืขื ืขืŸ ื“ื™ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืขื ื˜ืคืขืจ ืคื•ืŸ ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ [30,37,53, 57,58] (ืคื™ื’ื•ืจืข 1-3 ื•ื•ื™ื™ึทื–ืŸ ื‘ื™ื™ืฉืคื™ืœืŸ ืžื™ื˜ ืึท ื’ืขื•ื•ืืงืกืŸ ื“ืขื˜ืึทืœ ืžื“ืจื’ื”), ืึธื‘ืขืจ ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ื“ื™ ืžืขื˜ื”ืึธื“ืก ืื™ื– ื ื™ืฉื˜ ืจืขืงืึทืžืขื ื“ื™ื“ ืคึฟืึทืจ ืึท ื’ืขืฉืขืคื˜ ืคึผืจืึธื“ื•ืงื˜ (ืกื™ื™ึทื“ืŸ ื‘ืœื•ื™ื– ืคึผื™ื ื˜ืœืขืš ืคึผืจืึธื’ื ืึธื– ืคื•ืŸ ื“ื™ ื”ื™ื’ืข ืขื ื˜ืคืขืจ ืื™ื– ื ื™ื˜ ืœืขื’ืึทืžืจืข ื ื™ื™ื˜ื™ืง) ื–ื™ื ื˜ ื“ื™ ืฆื™ื™ื˜ ืคืืจืœืื ื’ื˜ ืฆื• ื‘ื•ื™ืขืŸ ืื•ืŸ ืกืึธืœื•ื•ืข ืึทื–ืึท ืึท ืžืึธื“ืขืœ ืื™ื– ื™ื‘ืขืจื™ืง. ืกื™ืžืคึผืœื™ืคื™ืขื“ ืžืึธื“ืขืœืก ืคึผืจืึธื“ื•ืฆื™ืจืŸ ื“ืึทื˜ืŸ ืคื•ืŸ ืฆื•ื ืขืžืขืŸ ืึทืงื™ืขืจืึทืกื™ ืคื™ืœ ืคืึทืกื˜ืขืจ ืื•ืŸ ื‘ื™ื™ึท ื ื™ื“ืขืจื™ืงืขืจ ืคึผืจื™ื™ึทื–. ื“ื™ ืฆื™ื™ื˜ ื•ื•ืึธืก ืื™ื– ืคืืจืœืื ื’ื˜ ืฆื• ื‘ื•ื™ืขืŸ ืื•ืŸ ืกืึธืœื•ื•ืข ืึท ื“ื™ื˜ื™ื™ืœื“ FE ืžืึธื“ืขืœ ืงืขื ืขืŸ ื–ื™ื™ืŸ ืจื™ื“ื•ืกื˜ ื“ื•ืจืš ื ื™ืฆืŸ ื“ื™ JEDEC 4 ืคืจื™ืœื™ื ื’ ืงืึทื ืกื˜ืึทื ืฅ ืืจื•ื™ืก ืื™ืŸ [33-35], ื“ื™ ืคืจื™ืœื™ื ื’ ืงืึทื ืกื˜ืึทื ืฅ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ืื™ืŸ ืคึผืœืึทืฅ ืคื•ืŸ ื“ื™ ื“ื™ื˜ื™ื™ืœื“ FE ืžืึธื“ืขืœ ืคื•ืŸ ื™ืขื“ืขืจ ื“ืจืึธื˜. ืื™ืŸ ืึทื“ื™ืฉืึทืŸ, ื“ื™ ืกืึทื‘ืกื˜ืจื•ืงื˜ื™ืึธืŸ ืื•ืคึฟืŸ (ืžืืœ ื‘ืืงืื ื˜ ื•ื•ื™ ื“ื™ ืกื•ืคึผืขืจืขืœืขืžืขื ื˜ ืื•ืคึฟืŸ) ืงืขื ืขืŸ ื–ื™ื™ืŸ ื™ืžืคึผืœืึทืžืขื ืึทื“ ืฆื• ืจืขื“ื•ืฆื™ืจืŸ ื“ื™ ืงืึทืžืคึผื™ื•ื˜ื™ื ื’ ืฆื™ื™ื˜ ืคืืจืœืื ื’ื˜ ืฆื• ืกืึธืœื•ื•ืข ื“ื™ื˜ื™ื™ืœื“ ืžืึธื“ืขืœืก. ืขืก ื–ืึธืœ ื–ื™ื™ืŸ ืื ื’ืขื•ื•ื™ื–ืŸ ืึทื– ื“ื™ื˜ื™ื™ืœื“ FE ืžืึธื“ืขืœืก ืึธืคื˜ ื‘ืœืขืจ ื“ื™ ืฉื•ืจื•ืช ืฆื•ื•ื™ืฉืŸ ืขื ื˜ืคืขืจ ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ืื•ืŸ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท, ืึทื–ื•ื™ ื“ื™ ืึทืจื‘ืขื˜ ืจืขืคืขืจืขื ืกื˜ ื“ืึธ ืงืขืŸ ืื•ื™ืš ืคืึทืœืŸ ืื•ื ื˜ืขืจ ื“ืขืจ ืจืฉื™ืžื” ืคื•ืŸ ื•ื•ืขืจืง ืžื™ื˜ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท.

8.1.3. ืคื•ื ืื ื“ืขืจื’ืขื˜ื™ื™ืœื˜ ืคืข ืžืึธื“ืขืœืก

ืกื™ืžืคึผืœืึทืคื™ื™ื“ FE ืžืึธื“ืขืœืก ืจืขื“ื•ืฆื™ืจืŸ ืžืึธื“ืขืœ ืฉืึทืคื•ื ื’ ืื•ืŸ ืœื™ื™ื–ื•ื ื’ ืฆื™ื™ื˜. ื“ื™ ืฆื•ื’ืขืœื™ื™ื’ื˜ ืงืึธืžืคึผืึธื ืขื ื˜ ืžืึทืกืข ืื•ืŸ ื–ื™ื™ึทืŸ ืกื˜ื™ืคื ืึทืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ืจืขืคึผืจื™ื–ืขื ื˜ื™ื“ ื“ื•ืจืš ืกื™ืžื™ืึทืœื™ื™ื˜ื™ื ื’ ืึท ืœื™ื™ื“ื™ืง ืคึผืงื‘ ืžื™ื˜ ื’ืขื•ื•ืืงืกืŸ ืžืึทืกืข ืื•ืŸ ืกื˜ื™ืคื ืึทืก, ื•ื•ื• ื“ื™ ื™ืคืขืงืฅ ืคื•ืŸ ืžืึทืกืข ืื•ืŸ ืกื˜ื™ืคื ืึทืก ื–ืขื ืขืŸ ื™ื ืงืึธืจืคึผืขืจื™ื™ื˜ื™ื“ ื“ื•ืจืš ืœืึธื•ืงืึทืœื™ ื™ื ืงืจื™ืกื™ื ื’ ื“ื™ ื™ืึทื ื’ ืžืึธื“ื•ืœื•ืก ืคื•ืŸ ื“ื™ ืคึผืงื‘.

ืคื™ื’. 2. ื‘ื™ื™ึทืฉืคึผื™ืœ ืคื•ืŸ ืึท ื“ื™ื˜ื™ื™ืœื“ ืžืึธื“ืขืœ ืคื•ืŸ ืึท QFP ืงืึธืžืคึผืึธื ืขื ื˜ ื ื™ืฆืŸ ืกื™ืžืขื˜ืจื™ืข ืฆื• ืคืึทืจืคึผืึธืฉืขื˜ืขืจืŸ ื“ื™ ืžืึธื“ืขืœื™ื ื’ ืคึผืจืึธืฆืขืก ืื•ืŸ ืจืขื“ื•ืฆื™ืจืŸ ื“ื™ ืœื™ื™ื–ื•ื ื’ ืฆื™ื™ื˜ [36]. ืคื™ื’. 3. ื‘ื™ื™ึทืฉืคึผื™ืœ ืคื•ืŸ ืึท ื“ื™ื˜ื™ื™ืœื“ ืคืข ืžืึธื“ืขืœ ืคื•ืŸ ื“ื–ืฉ-ืคื™ืจืŸ [6].

ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืื•ื ื˜ืขืจื˜ืขื ื™ืง ืฆื• ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ - ืึทืŸ ืื™ื‘ืขืจื‘ืœื™ืง

ื“ื™ ืกื˜ื™ืคื ืึทืก ืขื ื›ืึทื ืกืžืึทื ื˜ ืคืึทืงื˜ืึธืจ ืงืขื ืขืŸ ื–ื™ื™ืŸ ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ื“ื•ืจืš ืคื™ื–ื™ืงืœื™ ืงืึทื˜ื™ื ื’ ื“ื™ ืึทื˜ืึทื˜ืฉื˜ ืžื™ื˜ื’ืœื™ื“ ืื•ืŸ ืึทืคึผืœื™ื™ื™ื ื’ ื‘ืขื ื“ื™ื ื’ ืคึผืจื•ื‘ื™ืจืŸ ืžืขื˜ื”ืึธื“ืก [52]. Pitarresi ืขื˜ ืขืœ. [52,54] ื™ื’ื–ืึทืžืึทื ื“ ื“ื™ ืกื™ืžืคึผืœืึทืคื™ืงื™ื™ืฉืึทืŸ ื•ื•ื™ืจืงื•ื ื’ ืคื•ืŸ ืฆื•ื’ืขื’ืขื‘ืŸ ืžืึทืกืข ืื•ืŸ ืกื˜ื™ืคื ืึทืก ืฆื•ื’ืขืฉื˜ืขืœื˜ ื“ื•ืจืš ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืึทื˜ืึทื˜ืฉื˜ ืฆื• ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜.

ื“ืขืจ ืขืจืฉื˜ืขืจ ืคึผืึทืคึผื™ืจ ื™ื’ื–ืึทืžืึทื ื– ืึท ืื™ื™ืŸ ืคืึทืœ ืคื•ืŸ ืึท ืกื™ืžืคึผืœืึทืคื™ื™ื“ FE ืžืึธื“ืขืœ ืคื•ืŸ ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜, ื•ื•ืขืจืึทืคื™ื™ื“ ืงืขื’ืŸ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ. ื“ื™ ื”ื•ื™ืคึผื˜ ื’ืขื’ื ื˜ ืคื•ืŸ ืื™ื ื˜ืขืจืขืก ืคื•ืŸ ื“ืขื ืคึผืึทืคึผื™ืจ ืื™ื– ื“ื™ ืคืขืกื˜ืงื™ื™ึทื˜ ืคื•ืŸ ืคื•ื ืื ื“ืขืจื’ืขื˜ื™ื™ืœื˜ ืคึผืจืึธืคึผืขืจื˜ื™ืขืก, ืžื™ื˜ ื“ื™ ืงื™ื™ื•ื•ื™ืึทื˜ ืึทื– ื”ื•ื™ืš ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ ื˜ืึธืจืกื™ื™ืฉืึทื ืึทืœ ืกื˜ื™ืคื ืึทืก ืื™ื– ืคืืจืœืื ื’ื˜ ืคึฟืึทืจ ืึท ืคึผื™ื ื˜ืœืขืš ืžืึธื“ืขืœ.

ื“ืขืจ ืฆื•ื•ื™ื™ื˜ืขืจ ืึทืจื˜ื™ืงืœ ืงื•ืงื˜ ืื•ื™ืฃ ืคื™ื ืฃ ืคืึทืจืฉื™ื“ืขื ืข ืึธื ื’ืขืคื™ืœื˜ ืคึผืงื‘ืก, ื™ืขื“ืขืจ ืžืึธื“ืขืœืขื“ ืžื™ื˜ ืขื˜ืœืขื›ืข ืคืึทืจืฉื™ื“ืขื ืข ืœืขื•ื•ืขืœืก ืคื•ืŸ ืกื™ืžืคึผืœืึทืคื™ืงื™ื™ืฉืึทืŸ ืคื•ืŸ ื–ื™ื™ึทืŸ ื–ืึทืฅ. ื“ื™ ืžืึธื“ืขืœืก ื–ืขื ืขืŸ ืงืึทืžืคึผืขืจื“ ืžื™ื˜ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ. ื“ืขืจ ืคึผืึทืคึผื™ืจ ืงื•ืžื˜ ืื•ื™ืก ืžื™ื˜ ืขื˜ืœืขื›ืข ื™ื ืกื˜ืจืึทืงื˜ื™ื•ื• ืึทื‘ื–ืขืจื•ื•ื™ื™ืฉืึทื ื– ืคื•ืŸ ื“ื™ ืงืึธืจืึทืœื™ื™ืฉืึทืŸ ืฆื•ื•ื™ืฉืŸ ืžืึทืกืข-ืกื˜ื™ืคื ืึทืก ืจื™ื™ืฉื™ืึธื•ื– ืื•ืŸ ืžืึธื“ืขืœ ืึทืงื™ืขืจืึทืกื™. ื‘ื™ื™ื“ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ืฆื™ื™ื˜ื•ื ื’ืขืŸ ื ื•ืฆืŸ ื‘ืœื•ื™ื– ื ืึทื˜ื™ืจืœืขืš ืคืจื™ืงื•ื•ืึทื ืกื™ื– ืื•ืŸ MECs (ืžืึธื“ืึทืœ ืคืืจื–ื™ื›ืขืจื•ื ื’ ืงืจื™ื™ื˜ื™ืจื™ืึท) ืฆื• ื‘ืึทืฉื˜ื™ืžืขืŸ ื“ื™ ืงืึธืจืึทืœื™ื™ืฉืึทืŸ ืฆื•ื•ื™ืฉืŸ ื“ื™ ืฆื•ื•ื™ื™ ืžืึธื“ืขืœืก. ืฆื•ื ื‘ืึทื“ื•ื™ืขืจืŸ, ื“ืขืจ ื˜ืขื•ืช ืื™ืŸ ื“ื™ ื ืึทื˜ื™ืจืœืขืš ืึธืคื˜ืงื™ื™ึทื˜ ืงืขืŸ ื ื™ืฉื˜ ืฆื•ืฉื˜ืขืœืŸ ืงื™ื™ืŸ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื“ืขื ื˜ืขื•ืช ืื™ืŸ ื”ื™ื’ืข ืึทืงืกืขืœืขืจื™ื™ืฉืึทื ื– ืึธื“ืขืจ ื‘ืขื ื“ื™ื ื’ ืžืึธื•ืžืึทื ืฅ, ืื•ืŸ MKO ืงืขื ืขืŸ ื‘ืœื•ื™ื– ื’ืขื‘ืŸ ื“ื™ ืงื•ื™ืœืขืœื“ื™ืง ืงืึธืจืึทืœื™ื™ืฉืึทืŸ ืฆื•ื•ื™ืฉืŸ ืฆื•ื•ื™ื™ ื ืึทื˜ื™ืจืœืขืš ืžืึธื“ืขืก, ืึธื‘ืขืจ ืงืขื ืขืŸ ื ื™ื˜ ื–ื™ื™ืŸ ื’ืขื ื™ืฆื˜ ืฆื• ืจืขื›ืขื ืขืŸ ื“ื™ ืคึผืจืึธืฆืขื ื˜ ื˜ืขื•ืช ืคื•ืŸ ืึทืงืกืขืœืขืจื™ื™ืฉืึทืŸ ืึธื“ืขืจ ืงืขืจื•ื•ืึทื˜ืฉืขืจ. ื ื™ืฆืŸ ืึท ืงืึธืžื‘ื™ื ืึทืฆื™ืข ืคื•ืŸ โ€‹โ€‹ื ื•ืžืขืจื™ืงืึทืœ ืึทื ืึทืœื™ืกื™ืก ืื•ืŸ ืงืึธืžืคึผื™ื•ื˜ืขืจ ืกื™ืžื™ืึทืœื™ื™ืฉืึทืŸ, Cifuentes [10] ืžืื›ื˜ ื“ื™ ืคืืœื’ืขื ื“ืข ืคื™ืจ ืึทื‘ื–ืขืจื•ื•ื™ื™ืฉืึทื ื–.

  1. ืกื™ืžื™ืึทืœื™ื™ื˜ื™ื“ ืžืึธื“ืขืก ืžื•ื–ืŸ ืึทื ื˜ื”ืึทืœื˜ืŸ ืื™ืŸ ืžื™ื ื“ืกื˜ืขืจ 90% ื•ื•ื™ื™ื‘ืจื™ื™ื˜ื™ื ื’ ืžืึทืกืข ืคึฟืึทืจ ืคึผื™ื ื˜ืœืขืš ืึทื ืึทืœื™ืกื™ืก.
  2. ืื™ืŸ ืงืึทืกืขืก ื•ื•ืขืŸ ื“ื™ ื“ื™ื•ื•ื™ื™ื™ืฉืึทื ื– ืคื•ืŸ ื“ื™ ื‘ืจืขื˜ ื–ืขื ืขืŸ ืคืึทืจื’ืœื™ื™ึทื›ืœืขืš ืฆื• ื–ื™ื™ืŸ ื’ืจืขื‘, ื ื™ื˜-ืœื™ื ืขืึทืจ ืึทื ืึทืœื™ืกื™ืก ืงืขืŸ ื–ื™ื™ืŸ ืžืขืจ ืฆื•ื ืขืžืขืŸ ื•ื•ื™ ืœื™ื ืขืึทืจ ืึทื ืึทืœื™ืกื™ืก.
  3. ืงืœื™ื™ืŸ ืขืจืจืึธืจืก ืื™ืŸ ืงืึธืžืคึผืึธื ืขื ื˜ ืคึผืœื™ื™ืกืžืึทื ื˜ ืงืขื ืขืŸ ืคืึทืจืฉืึทืคืŸ ื’ืจื•ื™ืก ืขืจืจืึธืจืก ืื™ืŸ ืขื ื˜ืคืขืจ ืžืขื–ืฉืขืจืžืึทื ืฅ.
  4. ืขื ื˜ืคืขืจ ืžืขื–ืฉืขืจืžืึทื ื˜ ืึทืงื™ืขืจืึทืกื™ ืื™ื– ืžืขืจ ืฉืคึผื™ืจืขื•ื•ื“ื™ืง ืฆื• ืขืจืจืึธืจืก ืื™ืŸ ืžืึทืกืข ื•ื•ื™ ืกื˜ื™ืคื ืึทืก.

8.1.4. ื’ืจืขื ืขืฅ ื‘ืื“ื™ื ื’ื•ื ื’ืขืŸ

ื“ื™ ืคึผืงื‘ ื‘ืจืขื’ ืจืึธื•ื˜ื™ื™ืฉืึทืŸ ืกื˜ื™ืคื ืึทืก ืงืึธื•ืึทืคื™ืฉืึทื ื˜ ื”ืื˜ ืึท ื‘ืึทื˜ื™ื™ื˜ื™ืง ืคึผืจืึทืœ ืื•ื™ืฃ ื“ื™ ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ ื“ื™ ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ืขื ื˜ืคืขืจ [59], ืื•ืŸ ื“ื™ืคึผืขื ื“ื™ื ื’ ืื•ื™ืฃ ื“ื™ ืกืคึผืขืฆื™ืคื™ืฉ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ ืื™ื– ืคื™ืœ ืžืขืจ ื•ื•ื™ื›ื˜ื™ืง ื•ื•ื™ ื“ื™ ืฆื•ื’ืขืœื™ื™ื’ื˜ ืงืึธืžืคึผืึธื ืขื ื˜ ืžืึทืกืข ืื•ืŸ ืกื˜ื™ืคื ืึทืก. ืžืึธื“ืขืœื™ื ื’ ื“ื™ ืจืึธื•ื˜ื™ื™ืฉืึทื ืึทืœ ื‘ืจืขื’ ืกื˜ื™ืคื ืึทืก ื•ื•ื™ ื ื•ืœ (ื™ืกืขื ืฉืึทืœื™ ื ืึธืจ ืึท ื’ืขืฉื˜ื™ืฆื˜ ืฆื•ืฉื˜ืึทื ื“) ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ื˜ืจืื’ื˜ ืงืึธื ืกืขืจื•ื•ืึทื˜ื™ื•ื•ืข ืจืขื–ื•ืœื˜ืึทื˜ืŸ, ื‘ืฉืขืช ืžืึธื“ืขืœื™ื ื’ ื•ื•ื™ ื˜ื™ื™ื˜ืœื™ ืงืœืึทืžืคึผื˜ ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ืึทื ื“ืขืจืขืกื˜ืึทืžืึทืฅ ื“ื™ ืจืขื–ื•ืœื˜ืึทื˜ืŸ, ื•ื•ื™ื™ึทืœ ืืคื™ืœื• ื“ื™ ืกื˜ื™ืคืึทืกื˜ ืคึผืงื‘ ืงืœืึทืžืคึผื™ื ื’ ืžืขืงืึทื ื™ื–ืึทืžื– ืงืขื ืขืŸ ื ื™ืฉื˜ ืขื ืฉื•ืจ ืึท ื’ืึธืจ ืงืœืึทืžืคึผื˜ ื‘ืจืขื’ ืฆื•ืฉื˜ืึทื ื“. Barker ืื•ืŸ Chen [5] ื•ื•ืึทืœืึทื“ื™ื™ื˜ ื“ื™ ืึทื ืึทืœื™ืกื™ืก ื˜ืขืึธืจื™ืข ืžื™ื˜ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ืฆื• ื•ื•ื™ื™ึทื–ืŸ ื•ื•ื™ ืจืึธื•ื˜ื™ื™ืฉืึทื ืึทืœ ืจื™ื“ื–ืฉื™ื“ืึทื˜ื™ ืคื•ืŸ ื“ื™ ื‘ืจืขื’ ืึทืคืขืงืฅ ื“ื™ ื ืึทื˜ื™ืจืœืขืš ืึธืคื˜ืงื™ื™ึทื˜ ืคื•ืŸ ืึท ืคึผืงื‘. ื“ืขืจ ื”ื•ื™ืคึผื˜ ื“ืขืจื’ื™ื™ื•ื ื’ ืคื•ืŸ ื“ืขื ืึทืจื‘ืขื˜ ืื™ื– ื“ื™ ืฉื˜ืึทืจืง ืงืึธืจืึทืœื™ื™ืฉืึทืŸ ืฆื•ื•ื™ืฉืŸ ื‘ืจืขื’ ืจืึธื•ื˜ื™ื™ืฉืึทืŸ ืกื˜ื™ืคื ืึทืก ืื•ืŸ ื ืึทื˜ื™ืจืœืขืš ืคืจื™ืงื•ื•ืึทื ืกื™ื–, ืงืึธื ืกื™ืกื˜ืขื ื˜ ืžื™ื˜ ื˜ืขืึธืจื™ืข. ื“ืึธืก ืื•ื™ืš ืžื™ื˜ืœ ืึทื– ื’ืจื•ื™ืก ืขืจืจืึธืจืก ืื™ืŸ ื“ื™ ืžืึธื“ืขืœื™ื ื’ ืคื•ืŸ ืจืึธื•ื˜ื™ื™ืฉืึทื ืึทืœ ืกื˜ื™ืคื ืึทืก ื•ื•ืขื˜ ืคื™ืจืŸ ืฆื• ื’ืจื•ื™ืก ืขืจืจืึธืจืก ืื™ืŸ ืขื ื˜ืคืขืจ ืคืึธืจื•ื™ืกื–ืึธื’ืŸ. ื›ืึธื˜ืฉ ื“ื™ ืึทืจื‘ืขื˜ ืื™ื– ื’ืขื•ื•ืขืŸ ื‘ืึทื˜ืจืึทื›ื˜ ืื™ืŸ ืึท ื‘ืึทื–ื•ื ื“ืขืจ ืคืึทืœ, ืขืก ืื™ื– ืึธื ื•ื•ืขื ื“ืœืขืš ืฆื• ืžืึธื“ืขืœื™ื ื’ ืึทืœืข ื˜ื™ื™ืคึผืก ืคื•ืŸ ื’ืจืขื ืขืฅ ืฆื•ืฉื˜ืึทื ื“ ืžืขืงืึทื ื™ื–ืึทืžื–. ื ื™ืฆืŸ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ืคื•ืŸ Lim et al. [41] ื’ื™ื˜ ืึท ื‘ื™ื™ืฉืคึผื™ืœ ืคื•ืŸ ื•ื•ื™ ื“ื™ ืจืึธื•ื˜ื™ื™ืฉืึทื ืึทืœ ืกื˜ื™ืคื ืึทืก ืคื•ืŸ ื“ื™ ื‘ืจืขื’ ืงืขื ืขืŸ ื–ื™ื™ืŸ ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ืฆื• ื ื•ืฆืŸ FE ืื™ืŸ ืึท ืคึผืงื‘ ืžืึธื“ืขืœ; ื“ืึธืก ืื™ื– ืึทื˜ืฉื™ื•ื•ื“ ืžื™ื˜ ืึท ืžืขื˜ืึธื“ ืฆื•ื’ืขืคืืกื˜ ืคึฟื•ืŸ Barker and Chen [5]. ื“ื™ ืึทืจื‘ืขื˜ ืื•ื™ืš ื•ื•ื™ื™ื–ื˜ ื•ื•ื™ ืฆื• ื‘ืึทืฉืœื™ืกืŸ ื“ื™ ืึธืคึผื˜ื™ืžืึทืœ ืึธืจื˜ ืคื•ืŸ ืงื™ื™ืŸ ืคื•ื ื˜ ืื™ืŸ ืึท ืกื˜ืจื•ืงื˜ื•ืจ ืฆื• ืžืึทืงืกืึทืžื™ื™ื– ื ืึทื˜ื™ืจืœืขืš ืคืจื™ืงื•ื•ืึทื ืกื™ื–. ื•ื•ืขืจืง ื•ื•ืึธืก ืกืคึผืึทืกื™ืคื™ืงืœื™ ื‘ืึทื˜ืจืึทื›ื˜ืŸ ื“ื™ ื•ื•ื™ืจืงื•ื ื’ ืคื•ืŸ ืžืึทื“ืึทืคื™ื™ื™ื ื’ ื’ืจืขื ืขืฅ ื˜ื ืึธื™ื ืฆื• ืจืขื“ื•ืฆื™ืจืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืขื ื˜ืคืขืจ ืื•ื™ืš ืขืงืกื™ืกื˜ื™ืจืŸ ื“ื•ืจืš ื’ื•ืึธ ืื•ืŸ ื“ื–ืฉืึทื• [21]; ืึทื’ืœื™ืขื˜ื˜ื™ [2]; ืึทื’ืœื™ืขื˜ื˜ื™ ืื•ืŸ ืกื•ื•ื™ื ื’ืฉืึทืงืœ [3], Lim et al. [41].

8.1.5. ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ืคึผืจืึทืœ ืคื•ืŸ ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ

Pitarresi ืขื˜ ืขืœ. [53-55] ื ื•ืฆืŸ ืึท ื“ื™ื˜ื™ื™ืœื“ FE ืžืึธื“ืขืœ ืคื•ืŸ ืึท ืคึผืงื‘ ืฆื• ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ื“ื™ ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืขื ื˜ืคืขืจ ืคื•ืŸ ืึท ื‘ืจืขื˜ ืžื™ื˜ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืจืขืคึผืจื™ื–ืขื ื˜ื™ื“ ื•ื•ื™ 3D ื‘ืœืึทืงืก. ื“ื™ ืžืึธื“ืขืœืก ื’ืขื ื™ืฆื˜ ื™ืงืกืคึผืขืจืžืขื ืึทืœื™ ื‘ืืฉืœืืกืŸ ืงืขืกื™ื™ื“ืขืจื“ื™ืง ื“ืึทืžืคึผื™ื ื’ ืจื™ื™ืฉื™ืึธื•ื– ืฆื• ืคึฟืึทืจื‘ืขืกืขืจืŸ ื“ื™ ืคึผืจืึธื’ื ืึธื– ืคื•ืŸ ืขื ื˜ืคืขืจ ืื™ืŸ ืืคืงืœืื ื’. ื™ืžืคึผืึทืงื˜ ืขื ื˜ืคืขืจ ืกืคึผืขืงื˜ืจื•ื (SRS) ืื•ืŸ ืฆื™ื™ื˜-ืกื•ื•ื™ืคึผื™ื ื’ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ืงืึทืžืคึผืขืจื“ ืคึฟืึทืจ ืคึผืจืึทืœ ืขื ื˜ืคืขืจ ืคืึธืจื•ื™ืกื–ืึธื’ืŸ, ืžื™ื˜ ื‘ื™ื™ื“ืข ืžืขื˜ื”ืึธื“ืก ื–ื™ื™ึทื ืขืŸ ืึท ื”ืึทื ื“ืœ-ืึทื•ื•ืขืง ืฆื•ื•ื™ืฉืŸ ืึทืงื™ืขืจืึทืกื™ ืื•ืŸ ืœื™ื™ื–ื•ื ื’ ืฆื™ื™ื˜.

8.2. ืจื™ื“ื–ืฉืขืงืฉืึทืŸ ืงืจื™ื™ื˜ื™ืจื™ืึท

ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท ื ืขืžืขืŸ ืึท ืžืึธืก ืคื•ืŸ ื“ื™ ืคึผืงื‘ ืก ืขื ื˜ืคืขืจ ืื•ืŸ ื ื•ืฆืŸ ืขืก ืฆื• ืึทืจื•ื™ืกืคื™ืจืŸ ืึท ื“ื•ืจื›ืคืึทืœ ืžืขื˜ืจื™ืง, ื•ื•ื• ื“ื™ ื“ื•ืจื›ืคืึทืœ ืžืขื˜ืจื™ืง ืงืขืŸ ื–ื™ื™ืŸ ื“ื™ ื“ื•ืจื›ืฉื ื™ื˜ืœืขืš ืฆื™ื™ื˜ ืฆื•ื•ื™ืฉืŸ ืคื™ื™ืœื™ืขืจื– (MTBF), ืกื™ื™ืงืึทืœื– ืฆื• ื“ื•ืจื›ืคืึทืœ, ืžืึทืฉืžืึธืขืก ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ-ืคืจื™ื™ ืึธืคึผืขืจืึทืฆื™ืข, ืึธื“ืขืจ ืงื™ื™ืŸ ืื ื“ืขืจืข ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืžืขื˜ืจื™ืง (ื–ืขืŸ IEEE [26]; Jensen [28] 47]; O'Connor [XNUMX] ืคึฟืึทืจ ืึท ื“ื™ืกืงื•ืกื™ืข ื•ื•ืขื’ืŸ ื“ื•ืจื›ืคืึทืœ ืžืขื˜ืจื™ืงืก). ื“ื™ ืคื™ืœืข ืคืึทืจืฉื™ื“ืขื ืข ืึทืคึผืจืึธื•ื˜ืฉื™ื– ืฆื• ื“ื–ืฉืขื ืขืจื™ื™ื˜ ื“ื™ ื“ืึทื˜ืŸ ืงืขื ืขืŸ ื–ื™ื™ืŸ ืงืึทื ื•ื•ื™ื ื™ืึทื ื˜ืœื™ ืฆืขื˜ื™ื™ืœื˜ ืื™ืŸ ืึทื ืึทืœื™ืกื™ืก ืื•ืŸ ืขืžืคึผื™ืจื™ืงืึทืœ ืžืขื˜ื”ืึธื“ืก. ืขืžืคึผื™ืจื™ืงืึทืœ ืžืขื˜ื”ืึธื“ืก ื“ื–ืฉืขื ืขืจื™ื™ื˜ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท ื“ืึทื˜ืŸ ื“ื•ืจืš ืœืึธื•ื“ื™ื ื’ ืคึผืจืึธื‘ืข ืกืคึผืขืกืึทืžืึทื ื– ืคื•ืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืฆื• ื“ื™ ืคืืจืœืื ื’ื˜ ื“ื™ื ืึทืžื™ืฉ ืžืึทืกืข. ืฆื•ื ื‘ืึทื“ื•ื™ืขืจืŸ, ืจืขื›ื˜ ืฆื• ื“ืขืจ ื‘ืจื™ื™ื˜ ืงื™ื™ื˜ ืคื•ืŸ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ื“ืึทื˜ืŸ (ืงืึธืžืคึผืึธื ืขื ื˜ ื˜ื™ื™ืคึผืก, ืคึผืงื‘ ื˜ื”ื™ืงื ืขืกืกืขืก ืื•ืŸ ืœืึธื•ื“ื–) ื•ื•ืึธืก ื–ืขื ืขืŸ ืžืขื’ืœืขืš ืื™ืŸ ืคื™ืจ, ื“ื™ ืืจื•ื™ืก ื“ืึทื˜ืŸ ืื™ื– ืึทื ืœื™ื™ืงืœื™ ืฆื• ื–ื™ื™ืŸ ื’ืœื™ื™ึทืš ืึธื ื•ื•ืขื ื“ืœืขืš ื•ื•ื™ื™ึทืœ ื“ื™ ื“ืึทื˜ืŸ ื–ืขื ืขืŸ ื’ื™ืœื˜ื™ืง ื‘ืœื•ื™ื– ืื™ืŸ ื–ื™ื™ืขืจ ืกืคึผืขืฆื™ืขืœ ืงืึทืกืขืก. ืึทื ืึทืœื™ื˜ื™ืงืึทืœ ืžืขื˜ื”ืึธื“ืก ื˜ืึธืŸ ื ื™ื˜ ืœื™ื™ึทื“ืŸ ืคื•ืŸ ืึทื–ืึท ื“ื™ืกืึทื“ื•ื•ืึทื ื˜ื™ื“ื–ืฉื™ื– ืื•ืŸ ื”ืึธื‘ืŸ ืคื™ืœ ืžืขืจ ืึธื ื•ื•ืขื ื“ืœืขืš.

8.2.1. ืขืžืคึผื™ืจื™ืงืึทืœ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท

ื•ื•ื™ ืกื˜ื™ื™ื˜ื™ื“ ืคืจื™ืขืจ, ืึท ื‘ืึทื’ืจืขื ืขืฆื•ื ื’ ืคื•ืŸ ืจื•ื‘ึฟ ืขืžืคึผื™ืจื™ืงืึทืœ ืžืึธื“ืขืœืก ืื™ื– ืึทื– ื–ื™ื™ ื–ืขื ืขืŸ ื‘ืœื•ื™ื– ืึธื ื•ื•ืขื ื“ืœืขืš ืฆื• ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทื ื– ืžื™ื˜ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืคึผืงื‘ ื’ืจืขื‘, ืขื ืœืขืš ืงืึธืžืคึผืึธื ืขื ื˜ ื˜ื™ื™ืคึผืก ืื•ืŸ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ืžืึทืกืข, ื•ื•ืึธืก ืื™ื– ืึทื ืœื™ื™ืงืœื™. ืึธื‘ืขืจ, ื“ื™ ื‘ื ื™ืžืฆื ืœื™ื˜ืขืจืึทื˜ื•ืจ ืื™ื– ื ื•ืฆื™ืง ืคึฟืึทืจ ื“ื™ ืคืืœื’ืขื ื“ืข ืกื™ื‘ื•ืช: ืขืก ื’ื™ื˜ ื’ื•ื˜ืข ื‘ื™ื™ืฉืคื™ืœืŸ ืคื•ืŸ ื“ื•ืจื›ืคื™ืจืŸ ื“ื•ืจื›ืคืึทืœ ื˜ืขืกืฅ, ื›ื™ื™ืœื™ื™ืฅ ืคืึทืจืฉื™ื“ืขื ืข ืึธืคึผืฆื™ืขืก ืคึฟืึทืจ ื“ื•ืจื›ืคืึทืœ ืžืขื˜ืจื™ืงืก ืื•ืŸ ื’ื™ื˜ ื•ื•ืขืจื˜ืคื•ืœ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื“ื™ ืžืึทืงืึทื ื™ืงืก ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ. Li [37] ื”ืึธื˜ ื‘ืืฉืืคืŸ ืึทืŸ ืขืžืคึผื™ืจื™ืงืึทืœ ืžืึธื“ืขืœ ืฆื• ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ 272-ืฉืคึผื™ืœืงืข BGA ืื•ืŸ 160-ืฉืคึผื™ืœืงืข QFP ืคึผืึทืงืึทื“ื–ืฉืึทื–. ืžื™ื“ืงื™ื™ึทื˜ ืฉืขื“ื™ืงืŸ ืื™ืŸ ื“ื™ ืงืึธื ื“ื•ืงื˜ืึธืจืก ืื•ืŸ ืื™ืŸ ื“ื™ ืคึผืขืงืœ ื’ื•ืฃ ืื™ื– ื™ื ื•ื•ืขืกื˜ืึทื’ื™ื™ื˜ืึทื“, ืื•ืŸ ื“ื™ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ื–ืขื ืขืŸ ืื™ืŸ ื’ื•ื˜ ื”ืขืกืงืขื ืžื™ื˜ ื“ืจื•ืง-ื‘ืื–ื™ืจื˜ ืฉืขื“ื™ืงืŸ ืึทื ืึทืœื™ืกื™ืก ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ื ื™ืฆืŸ ืึท ื“ื™ื˜ื™ื™ืœื“ FE ืžืึธื“ืขืœ (ื–ืขืŸ ืื•ื™ืš Li ืื•ืŸ Poglitsch [38,39]). ื“ืขืจ ืคึผืจืึธืฆืขืก ื˜ืจืื’ื˜ ืงื™ื•ืžื™ืึทืœืึทื˜ื™ื•ื• ืฉืขื“ื™ืงืŸ ืคึฟืึทืจ ืึท ื’ืขื’ืขื‘ืŸ ืžื“ืจื’ื” ืคื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืึทืงืกืขืœืขืจื™ื™ืฉืึทืŸ ืคื•ืŸ ื“ื™ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ืกื™ื’ื ืึทืœ.
Lau et al. [36] ืึทืกืกืขืกืกืขื“ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืกืคึผืขืฆื™ืคื™ืฉ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ื ื˜ืขืจ ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืœืึธื•ื“ื™ื ื’ ื ื™ืฆืŸ Weibull ืกื˜ืึทื˜ื™ืกื˜ื™ืง. Liguore ืื•ืŸ Followell [40] ื”ืึธื‘ืŸ ื“ื•ืจื›ื’ืขืงืึธื›ื˜ ื“ื™ ืคื™ื™ืœื™ืขืจื– ืคื•ืŸ LLCC ืื•ืŸ J-Lead ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื“ื•ืจืš ื•ื•ืขืจื™ื™ื ื’ ื“ื™ ื”ื™ื’ืข ืึทืงืกืขืœืขืจื™ื™ืฉืึทืŸ ืึทืจื™ื‘ืขืจ ืกืขืจื•ื•ื™ืก ืกื™ื™ืงืึทืœื–. ืœืืงืืœืข ืึทืงืกืขืœืขืจื™ื™ืฉืึทืŸ ืื™ื– ื’ืขื ื™ืฆื˜ ื•ื•ื™ ืงืขื’ืŸ ืฆื• ืฉืึทืกื™ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ืึทืงืกืขืœืขืจื™ื™ืฉืึทืŸ, ืื•ืŸ ื“ื™ ื•ื•ื™ืจืงื•ื ื’ ืคื•ืŸ ื˜ืขืžืคึผืขืจืึทื˜ื•ืจ ืื•ื™ืฃ ืคึผืจื•ื‘ื™ืจืŸ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ืื™ื– ื™ื ื•ื•ืขืกื˜ืึทื’ื™ื™ื˜ืึทื“. ื“ืขืจ ืึทืจื˜ื™ืงืœ ืื•ื™ืš ืจืขืคืขืจืก ืฆื• ืคืึธืจืฉื•ื ื’ ืื™ืŸ ื“ื™ ื•ื•ื™ืจืงื•ื ื’ ืคื•ืŸ ืคึผืงื‘ ื’ืจืขื‘ ืื•ื™ืฃ ืงืึธืžืคึผืึธื ืขื ื˜ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™.

ื’ื•ืึธ ืื•ืŸ ื“ื–ืฉืึทื• [21] ืคืึทืจื’ืœื™ื™ึทื›ืŸ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื•ื•ืขืŸ ื”ื™ื’ืข ื˜ืึธืจืกื™ืึธื ืึทืœ ืงืขืจื•ื•ืึทื˜ืฉืขืจ ืื™ื– ื’ืขื ื™ืฆื˜ ื•ื•ื™ ืึท ืžืึทืกืข, ืื™ืŸ ืงืึทื ื˜ืจืึทืกื˜ ืฆื• ืคืจื™ื™ึทืขืจื“ื™ืง ืฉื˜ื•ื“ื™ื•ื ื•ื•ืึธืก ื’ืขื•ื•ื™ื™ื ื˜ ืึทืงืกืขืœืขืจื™ื™ืฉืึทืŸ. ืžื™ื“ืงื™ื™ึทื˜ ืฉืขื“ื™ืงืŸ ืื™ื– ืกื™ืžื™ืึทืœื™ื™ื˜ื™ื“, ืื•ืŸ ื“ื™ FE ืžืึธื“ืขืœ ืื™ื– ืงืึทืžืคึผืขืจื“ ืžื™ื˜ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ืจืขื–ื•ืœื˜ืึทื˜ืŸ. ื“ืขืจ ืึทืจื˜ื™ืงืœ ืื•ื™ืš ื“ื™ืกืงืึทืกื˜ ืึธืคึผื˜ื™ืžื™ื–ื™ื ื’ ืงืึธืžืคึผืึธื ืขื ื˜ ืื•ื™ืกืœื™ื™ื’ ืฆื• ืคึฟืึทืจื‘ืขืกืขืจืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™.

ื”ืึทื ืื•ืŸ ืœื™ [22] ืคืึธืจืฉื˜ืขืœืŸ ืึท ืคึผืจืึธื‘ืข ื“ืึทื˜ืŸ ืื•ืคึฟืŸ ืคึฟืึทืจ ื“ื™ ืคึผืจืึธื‘ืœืขื ืคื•ืŸ ื“ื™ื˜ืขืจืžืึทื ื™ื ื’ ืคื™ืจืŸ ืกืึทื“ืขืจ ืกื˜ืจืขืกืึทื– ืื•ื ื˜ืขืจ ืกื™ื™ืงืœื™ืง ื˜ืึธืจืกื™ืึธื ืึทืœ ืœืึธื•ื“ื™ื ื’. Estes ืขื˜ ืขืœ [15] ื’ืขื”ืืœื˜ืŸ ื“ื™ ื“ื•ืจื›ืคืึทืœ ืคึผืจืึธื‘ืœืขื ืคื•ืŸ ื’ืึทืœื•ื•ื™ื ื’ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ (GOST IEC 61188-5-5-2013) ืžื™ื˜ ื’ืขื•ื•ืขื ื“ื˜ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ืึทืงืกืขืœืขืจื™ื™ืฉืึทืŸ ืื•ืŸ ื˜ืขืจืžืึทืœ ืžืึทืกืข. ื“ื™ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื’ืขืœืขืจื ื˜ ื–ืขื ืขืŸ ื˜ืฉื™ืคึผืก ืคึผืขืงืœ ื˜ื™ื™ืคึผืก CQFP 352, 208, 196, 84 ืื•ืŸ 28, ื•ื•ื™ ื’ืขื–ื•ื ื˜ ื•ื•ื™ FP 42 ืื•ืŸ 10. ื“ืขืจ ืึทืจื˜ื™ืงืœ ืื™ื– ื“ืขื“ืึทืงื™ื™ื˜ืึทื“ ืฆื• ื“ื™ ื“ื•ืจื›ืคืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืจืขื›ื˜ ืฆื• ืคืœืึทืงื˜ืฉื•ื™ื™ืฉืึทื ื– ืื™ืŸ ื“ืขืจ ืึธืจื‘ื™ื˜ ืคื•ืŸ ืึท ื’ืขืึธืกื˜ืึทื˜ื™ืึทื ืขืจื™ ืขืจื“ ืกืึทื˜ืขืœื™ื˜, ื“ื™ ืฆื™ื™ื˜ ืฆื•ื•ื™ืฉืŸ ืคื™ื™ืœื™ืขืจื– ืื™ื– ื’ืขื’ืขื‘ืŸ ืื™ืŸ ื˜ืขืจืžื™ื ืขืŸ ืคื•ืŸ ื™ืึธืจืŸ ืคื•ืŸ ืคืœื™ ืื•ื™ืฃ ื’ืขืึธืกื˜ืึทื˜ื™ืึทื ืขืจื™ ืึธื“ืขืจ ื ื™ื“ืขืจื™ืง ืขืจื“ ืึธืจื‘ืึทืฅ. ืขืก ืื™ื– ื‘ืืžืขืจืงื˜ ืึทื– ื“ื•ืจื›ืคืึทืœ ืคื•ืŸ ื’ืึทืœื•ื•ื™ื ื’ ื•ื•ื™ืจืขืก ืื™ื– ืžืขืจ ืžืกืชึผืžื ืื™ืŸ ืœืึธื•ืงื™ื™ืฉืึทื ื– ืื™ืŸ ืงืึธื ื˜ืึทืงื˜ ืžื™ื˜ ื“ื™ ืคึผืขืงืœ ื’ื•ืฃ ื•ื•ื™ ืื™ืŸ ื“ื™ ืกืึทื“ืขืจ ืฉืœืึธืก.

Jih and Jung [30] ื‘ืึทื˜ืจืึทื›ื˜ืŸ ื•ื™ืกืจื™ื›ื˜ ืคื™ื™ืœื™ืขืจื– ื’ืขืคึฟื™ืจื˜ ื“ื•ืจืš ื˜ืึธื›ื™ืง ืžืึทื ื•ืคืึทืงื˜ื•ืจื™ื ื’ ื—ืกืจื•ื ื•ืช ืื™ืŸ ื“ื™ ืกืึทื“ืขืจ ืฉืœืึธืก. ื“ืึธืก ืื™ื– ื’ืขื˜ืืŸ ื“ื•ืจืš ืงืจื™ื™ื™ื˜ื™ื ื’ ืึท ื–ื™ื™ืขืจ ื“ื™ื˜ื™ื™ืœื“ FE ืžืึธื“ืขืœ ืคื•ืŸ ื“ื™ ืคึผืงื‘ ืื•ืŸ ื’ืขืคึฟื™ื ืขืŸ ื“ื™ ืžืึทื›ื˜ ืกืคึผืขืงื˜ืจืึทืœ ื’ืขื“ื™ื›ื˜ืงื™ื™ึทื˜ (ืคึผืกื“) ืคึฟืึทืจ ืคืึทืจืฉื™ื“ืขื ืข ืžืึทื ื•ืคืึทืงื˜ื•ืจื™ื ื’ ืคึผืœืึทืฆืŸ ืœืขื ื’ืงื˜ืก. Ligyore, Followell [40] ืื•ืŸ Shetty, Reinikainen [58] ืคึฟืึธืจืฉืœืึธื’ืŸ ืึทื– ืขืžืคึผื™ืจื™ืงืึทืœ ืžืขื˜ื”ืึธื“ืก ืคึผืจืึธื“ื•ืฆื™ืจืŸ ื“ื™ ืžืขืจืกื˜ ืคึผื™ื ื˜ืœืขืš ืื•ืŸ ื ื•ืฆื™ืง ื“ื•ืจื›ืคืึทืœ ื“ืึทื˜ืŸ ืคึฟืึทืจ ืกืคึผืขืฆื™ืคื™ืฉ ืงืึธื ื ืขืงื˜ืขื“ ืงืึธืžืคึผืึธื ืขื ื˜ ืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทื ื–. ื“ื™ ืžื™ื ื™ื ืคื•ืŸ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื’ืขื ื™ืฆื˜ ืื•ื™ื‘ ื–ื™ื›ืขืจ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ื“ืึทื˜ืŸ (ื‘ืึธืจื“ ื’ืจืขื‘, ืงืึธืžืคึผืึธื ืขื ื˜ ื˜ื™ืคึผ, ืงืขืจื•ื•ืึทื˜ืฉืขืจ ืงื™ื™ื˜) ืงืขื ืขืŸ ื–ื™ื™ืŸ ืงืขืกื™ื™ื“ืขืจื“ื™ืง ืื™ื‘ืขืจ ื“ื™ ืคึผืœืึทืŸ, ืึธื“ืขืจ ืื•ื™ื‘ ื“ืขืจ ื‘ืึทื ื™ืฆืขืจ ืงืขื ืขืŸ ืคืึทืจื’ื™ื ืขื  ื–ื™ืš ืฆื• ื“ื•ืจื›ืคื™ืจืŸ ืคืึทืงื˜ื™ืฉ ื˜ืขืกืฅ ืคื•ืŸ ื“ืขื ืžื™ืŸ.

8.2.2. ืึทื ืึทืœื™ื˜ื™ืงืึทืœ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื˜ืขืจื™ืข

ืกืžื˜ ืžืึธื“ืขืœืก ืคื•ืŸ ื•ื•ื™ื ืงืœ ื“ื–ืฉื•ื™ื ืฅ

ะ ะฐะทะปะธั‡ะฝั‹ะต ะธััะปะตะดะพะฒะฐั‚ะตะปะธ, ั€ะฐััะผะฐั‚ั€ะธะฒะฐัŽั‰ะธะต ะพั‚ะบะฐะทั‹ ัƒะณะปะพะฒั‹ั… ะฒั‹ะฒะพะดะพะฒ SMT, ะฟั€ะตะดะฟะพะปะฐะณะฐัŽั‚, ั‡ั‚ะพ ัั‚ะพ ะฝะฐะธะฑะพะปะตะต ั€ะฐัะฟั€ะพัั‚ั€ะฐะฝะตะฝะฝะฐั ะฟั€ะธั‡ะธะฝะฐ ะพั‚ะบะฐะทะฐ. ะกั‚ะฐั‚ัŒะธ ะกะธะดั…ะฐั€ั‚ะฐ, ะ‘ะฐั€ะบะตั€ะฐ [59] ะทะฐะฒะตั€ัˆะฐัŽั‚ ะฑะพะปะตะต ั€ะฐะฝะฝัŽัŽ ัะตั€ะธัŽ ั€ะฐะฑะพั‚, ะฟั€ะตะดัั‚ะฐะฒะปัั ะผะพะดะตะปัŒ ะดะปั ะพะฟั€ะตะดะตะปะตะฝะธั ะดะตั„ะพั€ะผะฐั†ะธะธ ัƒะณะปะพะฒั‹ั… ะฒั‹ะฒะพะดะพะฒ SMT ะธ ะบะพะฝั‚ัƒั€ะฝั‹ั… ัะฒะธะฝั†ะพะฒั‹ั… ะบะพะผะฟะพะฝะตะฝั‚ะพะฒ. ะŸั€ะตะดะปะพะถะตะฝะฝะฐั ะผะพะดะตะปัŒ ะธะผะตะตั‚ ะฟะพะณั€ะตัˆะฝะพัั‚ัŒ ะผะตะฝะตะต 7% ะฟะพ ัั€ะฐะฒะฝะตะฝะธัŽ ั ะดะตั‚ะฐะปะธะทะธั€ะพะฒะฐะฝะฝะพะน FE ะผะพะดะตะปัŒัŽ ะดะปั ัˆะตัั‚ะธ ะฝะฐะธั…ัƒะดัˆะธั… ัั†ะตะฝะฐั€ะธะตะฒ. ะœะพะดะตะปัŒ ะพัะฝะพะฒะฐะฝะฐ ะฝะฐ ั„ะพั€ะผัƒะปะต, ะพะฟัƒะฑะปะธะบะพะฒะฐะฝะฝะพะน ั€ะฐะฝะตะต ะ‘ะฐั€ะบะตั€ะพะผ ะธ ะกะธะดั…ะฐั€ั‚ะพะผ [4], ะณะดะต ะผะพะดะตะปะธั€ะพะฒะฐะปัั ะฟั€ะพะณะธะฑ ะฟั€ะธัะพะตะดะธะฝะตะฝะฝะพะน ะดะตั‚ะฐะปะธ, ะฟะพะดะฒะตั€ะถะตะฝะฝะพะน ะธะทะณะธะฑะฐัŽั‰ะตะผัƒ ะผะพะผะตะฝั‚ัƒ. ะ’ ัั‚ะฐั‚ัŒะต ะกัƒั…ะธั€ะฐ [63] ะฐะฝะฐะปะธั‚ะธั‡ะตัะบะธ ั€ะฐััะผะฐั‚ั€ะธะฒะฐัŽั‚ัั ะฝะฐะฟั€ัะถะตะฝะธั, ะพะถะธะดะฐะตะผั‹ะต ะฒ ะฟะฐะบะตั‚ะฝั‹ั… ะฒั‹ะฒะพะดะฐั…, ะพะฑัƒัะปะพะฒะปะตะฝะฝั‹ะต ะปะพะบะฐะปัŒะฝะพ ะฟั€ะธะปะพะถะตะฝะฝั‹ะผะธ ะธะทะณะธะฑะฐัŽั‰ะธะผะธ ะผะพะผะตะฝั‚ะฐะผะธ. ะ‘ะฐั€ะบะตั€ ะธ ะกะธะดั…ะฐั€ั‚ [4] ะพะฟะธั€ะฐัŽั‚ัั ะฝะฐ ั€ะฐะฑะพั‚ัƒ ะกัƒั…ะธั€ะฐ [63], ะ‘ะฐั€ะบะตั€ะฐ ะธ ะดั€. [4], ะฒ ะบะพั‚ะพั€ะพะน ั€ะฐััะผะฐั‚ั€ะธะฒะฐะตั‚ัั ะฒะปะธัะฝะธะต ะฒะตะดัƒั‰ะตะน ะฒั€ะฐั‰ะฐั‚ะตะปัŒะฝะพะน ะถะตัั‚ะบะพัั‚ะธ. ะะฐะบะพะฝะตั†, ะ‘ะฐั€ะบะตั€ ะธ ะดั€. [7] ะธัะฟะพะปัŒะทะพะฒะฐะปะธ ะดะตั‚ะฐะปัŒะฝั‹ะต FE ะผะพะดะตะปะธ ะดะปั ะธะทัƒั‡ะตะฝะธั ะฒะปะธัะฝะธั ั€ะฐะทะผะตั€ะฝั‹ั… ะฒะฐั€ะธะฐั†ะธะน ัะฒะธะฝั†ะฐ ะฝะฐ ัƒัั‚ะฐะปะพัั‚ะฝัƒัŽ ะดะพะปะณะพะฒะตั‡ะฝะพัั‚ัŒ ัะฒะธะฝั†ะฐ.

ืขืก ืื™ื– ืฆื•ื ืขืžืขืŸ ืฆื• ื“ืขืจืžืึธื ืขืŸ ื“ืึธ ื“ื™ ืึทืจื‘ืขื˜ ืื•ื™ืฃ JEDEC ืคื™ืจืŸ ืคืจื™ืœื™ื ื’ ืงืึทื ืกื˜ืึทื ืฅ, ื•ื•ืึธืก ื–ื™ื™ืขืจ ืกื™ืžืคึผืœืึทืคื™ื™ื“ ื“ื™ ืฉืึทืคื•ื ื’ ืคื•ืŸ ืžืึธื“ืขืœืก ืคื•ืŸ ืคื™ืจืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ [33-35]. ืคืจื™ืœื™ื ื’ ืงืึทื ืกื˜ืึทื ืฅ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ืึทื ืฉื˜ืึธื˜ ืคื•ืŸ ืึท ื“ื™ื˜ื™ื™ืœื“ ืžืึธื“ืขืœ ืคื•ืŸ ืคื™ืจืŸ ืงืึทื ืขืงืฉืึทื ื–; ื“ื™ ืฆื™ื™ื˜ ืคืืจืœืื ื’ื˜ ืฆื• ื‘ื•ื™ืขืŸ ืื•ืŸ ืกืึธืœื•ื•ืข ื“ื™ FE ืžืึธื“ืขืœ ื•ื•ืขื˜ ื–ื™ื™ืŸ ืจื™ื“ื•ืกื˜ ืื™ืŸ ื“ื™ ืžืึธื“ืขืœ. ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ืึทื–ืึท ืงืึทื ืกื˜ืึทื ืฅ ืื™ืŸ ื“ื™ ืงืึธืžืคึผืึธื ืขื ื˜ FE ืžืึธื“ืขืœ ื•ื•ืขื˜ ืคืึทืจืžื™ื™ึทื“ืŸ ื“ื™ืจืขืงื˜ ื›ืขื–ืฉื‘ืŸ ืคื•ืŸ ื”ื™ื’ืข ืคื™ืจืŸ ืกื˜ืจืขืกืึทื–. ืึทื ืฉื˜ืึธื˜, ื“ื™ ืงื•ื™ืœืขืœื“ื™ืง ืคื™ืจืŸ ืฉืคึผืึทื ื•ื ื’ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื’ืขื’ืขื‘ืŸ, ื•ื•ืึธืก ื–ืึธืœ ื–ื™ื™ืŸ ืฉื™ื™ึทื›ื•ืช ืฆื• ืึธื“ืขืจ ื”ื™ื’ืข ืคื™ืจืŸ ืกื˜ืจืขืกืึทื– ืึธื“ืขืจ ืคื™ืจืŸ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ื“ื™ ืœืขื‘ืŸ ืฆื™ืงืœ ืคื•ืŸ ื“ื™ ืคึผืจืึธื“ื•ืงื˜.

ืžืึทื˜ืขืจื™ืึทืœ ืžื™ื“ืงื™ื™ึทื˜ ื“ืึทื˜ืŸ

ืจื•ื‘ึฟ ื“ืึทื˜ืŸ ื•ื•ืขื’ืŸ ื“ื™ ื“ื•ืจื›ืคืึทืœ ืคื•ืŸ ืžืึทื˜ืขืจื™ืึทืœืก ื’ืขื ื™ืฆื˜ ืคึฟืึทืจ ืกืึธืœื“ืขืจ ืื•ืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื–ืขื ืขืŸ ื‘ืคึฟืจื˜ ืฉื™ื™ึทื›ื•ืช ืฆื• ื˜ืขืจืžืึทืœ ื“ื•ืจื›ืคืึทืœ, ืื•ืŸ ืœืขืคื™ืขืจืขืš ืงืœื™ื™ืŸ ื“ืึทื˜ืŸ ื™ื’ื–ื™ืกืฅ ืฉื™ื™ึทื›ื•ืช ืฆื• ืžื™ื“ืงื™ื™ึทื˜ ื“ื•ืจื›ืคืึทืœ. ื ื”ื•ื™ืคึผื˜ ืจืขืคึฟืขืจืขื ืฅ ืื™ืŸ ื“ืขื ื’ืขื’ื ื˜ ืื™ื– ืฆื•ื’ืขืฉื˜ืขืœื˜ ื“ื•ืจืš Sandor [56], ื•ื•ืึธืก ื’ื™ื˜ ื“ืึทื˜ืŸ ื•ื•ืขื’ืŸ ื“ื™ ืžืึทืงืึทื ื™ืงืก ืคื•ืŸ ืžื™ื“ืงื™ื™ึทื˜ ืื•ืŸ ื“ื•ืจื›ืคืึทืœ ืคื•ืŸ ืกืึทื“ืขืจ ืึทืœื•ื™ื–. ืฉื˜ื™ื™ื ื‘ืขืจื’ [62] ื‘ืื˜ืจืื›ื˜ ื“ื™ ื“ื•ืจื›ืคืึทืœ ืคื•ืŸ ืกืึทื“ืขืจ ืกืึทืžืคึผืึทืœื–. ืžื™ื“ืงื™ื™ึทื˜ ื“ืึทื˜ืŸ ืคึฟืึทืจ ื ืึธืจืžืึทืœ ืกืึธืœื“ืขืจ ืื•ืŸ ื•ื•ื™ืจืขืก ื–ืขื ืขืŸ ื‘ื ื™ืžืฆื ืื™ืŸ ื™ืึทืžืึทื“ืึท ืก ืคึผืึทืคึผื™ืจ [69].

ะคะธะณ. 4. ะžะฑั‹ั‡ะฝะพะต ะฟะพะปะพะถะตะฝะธะต ะพั‚ะบะฐะทะฐ ะธะท ั€ัƒะบะพะฒะพะดัั‚ะฒะฐ ะดะปั ะบะพะผะฟะพะฝะตะฝั‚ะพะฒ QFP, ะฑะปะธะทะบะพ ะบ ั‚ะตะปัƒ ะฟะฐะบะตั‚ะฐ.

ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืื•ื ื˜ืขืจื˜ืขื ื™ืง ืฆื• ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ - ืึทืŸ ืื™ื‘ืขืจื‘ืœื™ืง

ืžืึธื“ืขืœื™ื ื’ ืคื™ื™ืœื™ืขืจื– ืคึฟืึทืจื‘ื•ื ื“ืŸ ืžื™ื˜ ืกืึทื“ืขืจ ื“ืขื‘ืึทื ื“ื™ื ื’ ืื™ื– ื˜ืฉืึทืœืึทื ื“ื–ืฉื™ื ื’ ืจืขื›ื˜ ืฆื• ื“ืขืจ ื•ืžื’ืขื•ื•ื™ื™ื ื˜ืœืขืš ืคึผืจืึธืคึผืขืจื˜ื™ืขืก ืคื•ืŸ ื“ืขื ืžืึทื˜ืขืจื™ืึทืœ. ื“ื™ ืœื™ื™ื–ื•ื ื’ ืฆื• ื“ืขื ืงืฉื™ื ื“ืขืคึผืขื ื“ืก ืื•ื™ืฃ ื“ื™ ืงืึธืžืคึผืึธื ืขื ื˜ ื•ื•ืึธืก ื“ืึทืจืฃ ื–ื™ื™ืŸ ื˜ืขืกื˜ืขื“. ืขืก ืื™ื– ื‘ืึทื•ื•ื•ืกื˜ ืึทื– ืคึฟืึทืจ QFP ืคึผืึทืงืึทื“ื–ืฉืึทื– ื“ืึธืก ืื™ื– ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ื ื™ืฉื˜ ื’ืขื ื•ืžืขืŸ ืื™ืŸ ื—ืฉื‘ื•ืŸ, ืื•ืŸ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืื™ื– ืึทืกืกืขืกืกืขื“ ืžื™ื˜ ืจืขืคึฟืขืจืขื ืฅ ืœื™ื˜ืขืจืึทื˜ื•ืจ. ืื‘ืขืจ ืื•ื™ื‘ ื“ื™ ืกืึทื“ืขืจื™ื ื’ ืคื•ืŸ ื’ืจื•ื™ืก ื‘ื’ืึท ืื•ืŸ ืคึผื’ืึท ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื™ื– ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“, ื“ื™ ืคื™ืจืŸ ืงืึทื ืขืงืฉืึทื ื–, ืจืขื›ื˜ ืฆื• ื–ื™ื™ืขืจ ื•ืžื’ืขื•ื•ื™ื™ื ื˜ืœืขืš ืคึผืจืึธืคึผืขืจื˜ื™ืขืก, ืงืขื ืขืŸ ื•ื•ื™ืจืงืŸ ื“ื™ ื“ื•ืจื›ืคืึทืœ ืคื•ืŸ ื“ื™ ืคึผืจืึธื“ื•ืงื˜. ืื–ื•ื™, ืคึฟืึทืจ QFP ืคึผืึทืงืึทื“ื–ืฉืึทื–, ืคื™ืจืŸ ืžื™ื“ืงื™ื™ึทื˜ ืคึผืจืึธืคึผืขืจื˜ื™ืขืก ื–ืขื ืขืŸ ื“ื™ ืžืขืจืกื˜ ื ื•ืฆื™ืง ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข. ืคึฟืึทืจ BGA, ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื“ื™ ื’ืขื•ื•ืขืจ ืคื•ืŸ ืกืึทื“ืขืจ ื“ื–ืฉื•ื™ื ืฅ ืื•ื ื˜ืขืจื˜ืขื ื™ืง ืฆื• ื™ื ืกื˜ืึทื ื˜ืึทื ื™ืึทืก ืคึผืœืึทืกื˜ื™ืง ื“ื™ืคืึธืจืžื™ื™ืฉืึทืŸ ืื™ื– ืžืขืจ ื ื•ืฆื™ืง [14]. ืคึฟืึทืจ ื’ืจืขืกืขืจืข ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, Steinberg [62] ื’ื™ื˜ ืกืึทื“ืขืจ ืฉืœืึธืก ืฆื™ืขืŸ-ืื•ื™ืก ื•ื•ืึธื•ืœื˜ื™ื“ื–ืฉ ื“ืึทื˜ืŸ.

ืฉื•ื•ืขืจ ืงืึธืžืคึผืึธื ืขื ื˜ ื“ื•ืจื›ืคืึทืœ ืžืึธื“ืขืœืก

ื“ื™ ื‘ืœื•ื™ื– ื“ื•ืจื›ืคืึทืœ ืžืึธื“ืขืœืก ื•ื•ืึธืก ืขืงืกื™ืกื˜ื™ืจืŸ ืคึฟืึทืจ ืฉื•ื•ืขืจ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื–ืขื ืขืŸ ื“ืขืจืœืื ื’ื˜ ืื™ืŸ ืึท ืคึผืึทืคึผื™ืจ ืคื•ืŸ Steinberg [62], ื•ื•ืึธืก ื™ื’ื–ืึทืžืึทื ื– ื“ื™ ื˜ืขื ืกืึทืœ ืฉื˜ืึทืจืงื™ื™ึทื˜ ืคื•ืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ืŸ ื’ื™ื˜ ืึท ื‘ื™ื™ึทืฉืคึผื™ืœ ืคื•ืŸ ื•ื•ื™ ืฆื• ืจืขื›ืขื ืขืŸ ื“ื™ ืžืึทืงืกื™ืžื•ื ืึทืœืึทื•ืึทื‘ืึทืœ ื“ืจื•ืง ื•ื•ืึธืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื•ื•ืขื ื“ื˜ ืฆื• ืึท ืคื™ืจืŸ ืงืฉืจ.

8.3. ืงืึทื ืงืœื•ื–ืฉืึทื ื– ืื•ื™ืฃ ื“ื™ ืึธื ื•ื•ืขื ื“ืœืขืš ืคื•ืŸ PoF ืžืึธื“ืขืœืก

ื“ื™ ืคืืœื’ืขื ื“ืข ืงืึทื ืงืœื•ื–ืฉืึทื ื– ื–ืขื ืขืŸ ื’ืขืžืื›ื˜ ืื™ืŸ ื“ืขืจ ืœื™ื˜ืขืจืึทื˜ื•ืจ ื•ื•ืขื’ืŸ PoF ืžืขื˜ื”ืึธื“ืก.

ืœืืงืืœืข ืขื ื˜ืคืขืจ ืื™ื– ืงืจื™ื˜ื™ืฉ ืฆื• ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ืงืึธืžืคึผืึธื ืขื ื˜ ื“ื•ืจื›ืคืึทืœ. ื•ื•ื™ ืื ื’ืขื•ื•ื™ื–ืŸ ืื™ืŸ Li, Poglitsch [38], ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื™ืŸ ื“ื™ ืขื“ื–ืฉืึทื– ืคื•ืŸ ืึท ืคึผืงื‘ ื–ืขื ืขืŸ ื•ื•ื™ื™ื ื™ืงืขืจ ืกืึทืกืขืคึผื˜ืึทื‘ืึทืœ ืฆื• ื“ื•ืจื›ืคืึทืœ ื•ื•ื™ ื“ื™ ืœื™ื’ืŸ ืื™ืŸ ื“ื™ ืฆืขื ื˜ืขืจ ืคื•ืŸ ื“ื™ ืคึผืงื‘ ืจืขื›ื˜ ืฆื• ื”ื™ื’ืข ื“ื™ืคืขืจืึทื ืกื™ื– ืื™ืŸ ื‘ืขื ื“ื™ื ื’. ื“ืขืจื™ื‘ืขืจ, ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื™ืŸ ืคืึทืจืฉื™ื“ืขื ืข ืœืึธื•ืงื™ื™ืฉืึทื ื– ืื•ื™ืฃ ื“ื™ ืคึผืงื‘ ื•ื•ืขื˜ ื”ืึธื‘ืŸ ืคืึทืจืฉื™ื“ืขื ืข ืžืึทืฉืžืึธืขืก ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ.

ืœืืงืืœืข ื‘ืจืขื˜ ืงืขืจื•ื•ืึทื˜ืฉืขืจ ืื™ื– ื’ืขื”ืืœื˜ืŸ ืึท ืžืขืจ ื•ื•ื™ื›ื˜ื™ืง ื“ื•ืจื›ืคืึทืœ ืงืจื™ื˜ืขืจื™ืึธืŸ ื•ื•ื™ ืึทืงืกืขืœืขืจื™ื™ืฉืึทืŸ ืคึฟืึทืจ ืกืžื˜ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ. ืœืขืฆื˜ืข ื•ื•ืขืจืง [38,57,62,67] ืึธื ื•ื•ื™ื™ึทื–ืŸ ืึทื– ื‘ืจืขื˜ ืงืขืจื•ื•ืึทื˜ืฉืขืจ ืื™ื– ื“ื™ ื”ื•ื™ืคึผื˜ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื˜ืขืจื™ืข.

ืคืึทืจืฉื™ื“ืขื ืข ื˜ื™ื™ืคึผืก ืคื•ืŸ ืคึผืึทืงืึทื“ื–ืฉืึทื–, ื‘ื™ื™ื“ืข ืื™ืŸ ื“ื™ ื ื•ืžืขืจ ืคื•ืŸ ืคึผื™ื ืก ืื•ืŸ ื“ื™ ื˜ื™ืคึผ ื’ืขื ื™ืฆื˜, ื–ืขื ืขืŸ ื™ื ื›ืขืจืึทื ื˜ืœื™ ืžืขืจ ืคืึทืจืœืึธื–ืœืขืš ื•ื•ื™ ืื ื“ืขืจืข, ืจืึทื’ืึทืจื“ืœืึทืก ืคื•ืŸ ื“ื™ ืกืคึผืขืฆื™ืคื™ืฉ ื”ื™ื’ืข ืกื•ื•ื™ื•ื•ืข [15,36,38].
ื˜ืขืžืคึผืขืจืึทื˜ื•ืจ ืงืขื ืขืŸ ื•ื•ื™ืจืงืŸ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ. Liguore ืื•ืŸ Followell [40] ื–ืึธื’ืŸ ืึทื– ื“ื™ ืžื™ื“ืงื™ื™ึทื˜ ืœืขื‘ืŸ ืื™ื– ื”ืขื›ืกื˜ืŸ ืื™ืŸ ื“ื™ ื˜ืขืžืคึผืขืจืึทื˜ื•ืจ ืงื™ื™ื˜ ืคื•ืŸ 0 โ—ฆC ืฆื• 65 โ—ฆC, ืžื™ื˜ ืึท ื‘ืืžืขืจืงื˜ ืคืึทืจืงืœืขื ืขืจืŸ ื‘ื™ื™ ื˜ืขืžืคึผืขืจืึทื˜ื•ืจืขืก ืื•ื ื˜ืขืจ -30 โ—ฆC ืื•ืŸ ื”ืขื›ืขืจ 95 โ—ฆC. ืคึฟืึทืจ QFP ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ื“ืขืจ ืึธืจื˜ ื•ื•ื• ื“ื™ ื“ืจืึธื˜ ืึทื˜ืึทื˜ืฉื™ื– ืฆื• ื“ื™ ืคึผืขืงืœ (ื–ืขืŸ ืคื™ื’ื•ืจ. 4) ืื™ื– ื’ืขื”ืืœื˜ืŸ ื“ื™ ืขืจืฉื˜ื™ืง ืฉื•ืœื“ ืึธืจื˜ ืืœื ื•ื•ื™ ื“ื™ ืกืึทื“ืขืจ ืฉืœืึธืก [15,22,38].

ื‘ืจืขื˜ ื’ืจืขื‘ ื”ืื˜ ืึท ื‘ืึทืฉื˜ื™ืžื˜ ืคึผืจืึทืœ ืื•ื™ืฃ ื“ื™ ืžื™ื“ืงื™ื™ึทื˜ ืœืขื‘ืŸ ืคื•ืŸ ืกืžื˜ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ื•ื•ื™ื™ึทืœ BGA ืžื™ื“ืงื™ื™ึทื˜ ืœืขื‘ืŸ ืื™ื– ื’ืขื•ื•ื™ื–ืŸ ืฆื• ืคืึทืจืžื™ื ืขืจืŸ ืžื™ื˜ ื‘ืขืขืจืขืš 30-50 ืžืืœ ืื•ื™ื‘ ื‘ืจืขื˜ ื’ืจืขื‘ ืื™ื– ื’ืขื•ื•ืืงืกืŸ ืคื•ืŸ 0,85 ืžื ืฆื• 1,6 ืžื (ื‘ืฉืขืช ื”ืึทืœื˜ืŸ ืงืขืกื™ื™ื“ืขืจื“ื™ืง ืงื•ื™ืœืขืœื“ื™ืง ืงืขืจื•ื•ืึทื˜ืฉืขืจ) [13] . ื“ื™ ื‘ื™ื™ื’ื™ืงื™ื™ื˜ (ื”ืขืกืงืขื) ืคื•ืŸ ืงืึธืžืคึผืึธื ืขื ื˜ ืคื™ืจื˜ ื‘ืื˜ื™ื™ื˜ื™ืง ืึทืคืขืงืฅ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืคึผืขืจื™ืคืขืจืึทืœ ืคื™ืจืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ [63], ืึธื‘ืขืจ, ื“ืึธืก ืื™ื– ืึท ื ื™ื˜-ืœื™ื ืขืึทืจ ืฉื™ื™ื›ื•ืช, ืื•ืŸ ื™ื ื˜ืขืจืžื™ื“ื™ื™ื˜ ืงืฉืจ ืคื™ืจื˜ ื–ืขื ืขืŸ ื“ื™ ืงืœืขื ืกื˜ืขืจ ืคืึทืจืœืึธื–ืœืขืš.

8.4. ื•ื•ื™ื™ื›ื•ื•ืืจื’ ืžืขื˜ื”ืึธื“ืก

ื“ืขืจ ืฆืขื ื˜ืขืจ ืคึฟืึทืจ ืึทื•ื•ืึทื ืกื™ืจื˜ืข ืœืขื‘ืŸ ืฆื™ืงืœ ืื™ื ื–ืฉืขื ื™ืจื™ืข (CALCE) ืื™ืŸ ืื•ื ื™ื•ื•ืขืจืกื™ื˜ืขื˜ ืคื•ืŸ ืžืึทืจื™ืœืึทื ื“ ื’ื™ื˜ ื•ื•ื™ื™ื›ื•ื•ืืจื’ ืคึฟืึทืจ ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื ื’ ื“ื™ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืื•ืŸ ืงืœืึทืคึผ ืขื ื˜ืคืขืจ ืคื•ืŸ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืึธืจื“ื–. ื“ื™ ื•ื•ื™ื™ื›ื•ื•ืืจื’ (ื’ืขื”ื™ื™ืกืŸ CALCE PWA) ื”ืื˜ ืึท ื‘ืึทื ื™ืฆืขืจ ืฆื•ื‘ื™ื ื“ ืึทื– ืกื™ืžืคึผืœืึทืคื™ื™ื– ื“ืขื ืคึผืจืึธืฆืขืก ืคื•ืŸ ืœื•ื™ืคืŸ ื“ื™ FE ืžืึธื“ืขืœ ืื•ืŸ ืื•ื™ื˜ืึธืžืึทื˜ื™ืฉ ื™ื ืคึผื•ืฅ ื“ื™ ืขื ื˜ืคืขืจ ื›ืขื–ืฉื‘ืŸ ืื™ืŸ ื“ื™ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืžืึธื“ืขืœ. ืขืก ื–ืขื ืขืŸ ืงื™ื™ืŸ ืึทืกืึทืžืคึผืฉืึทื ื– ื’ืขื ื™ืฆื˜ ืฆื• ืฉืึทืคึฟืŸ ื“ื™ FE ืขื ื˜ืคืขืจ ืžืึธื“ืขืœ, ืื•ืŸ ื“ื™ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท ื’ืขื ื™ืฆื˜ ื–ืขื ืขืŸ ื’ืขื ื•ืžืขืŸ ืคื•ืŸ Steinberg [61] (ื›ืึธื˜ืฉ Barkers 'ืžืขื˜ืึธื“ [48] ืื™ื– ืื•ื™ืš ื“ืขืจื•ื•ืึทืจื˜ ืฆื• ื–ื™ื™ืŸ ื™ืžืคึผืœืึทืžืขื ืึทื“). ืฆื• ืฆื•ืฉื˜ืขืœืŸ ื’ืขื ืขืจืึทืœ ืจืขืงืึทืžืึทื ื“ื™ื™ืฉืึทื ื– ืคึฟืึทืจ ื™ืžืคึผืจื•ื•ื•ื™ื ื’ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ื•ื™ืกืจื™ื›ื˜, ื“ื™ ื“ื™ืกืงืจื™ื™ื‘ื“ ื•ื•ื™ื™ื›ื•ื•ืืจื’ ืคึผืขืจืคืึธืจืžื– ื’ื•ื˜, ืกืคึผืขืฆื™ืขืœ ื–ื™ื ื˜ ืขืก ืกื™ื™ืžืึทืœื˜ื™ื™ื ื™ืึทืกืœื™ ื ืขืžื˜ ืื™ืŸ ื—ืฉื‘ื•ืŸ ื˜ืขืจืžืึทืœ ื™ื ื“ื•ืกื˜ ืกื˜ืจืขืกืึทื– ืื•ืŸ ืจื™ืงื•ื•ื™ื™ืขืจื– ืžื™ื ื™ืžืึทืœ ืกืคึผืขืฉืึทืœื™ื™ื–ื“ ื•ื•ื™ืกืŸ, ืึธื‘ืขืจ ื“ื™ ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ ื“ื™ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท ืื™ืŸ ื“ื™ ืžืึธื“ืขืœืก ืื™ื– ื ื™ืฉื˜ ื•ื•ืขืจืึทืคื™ื™ื“ ื™ืงืกืคึผืขืจืžืขื ืึทืœื™.

9. ืžืขื˜ื”ืึธื“ืก ืคึฟืึทืจ ื™ื ืงืจื™ืกื™ื ื’ ื•ื™ืกืจื™ื›ื˜ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™

ื“ืขืจ ืึธืคึผื˜ื™ื™ืœื•ื ื’ ื•ื•ืขื˜ ื“ื™ืกืงื•ื˜ื™ืจืŸ ืคึผืึธืกื˜-ืคึผืจืึธื™ืขืงื˜ ืžืึธื“ื™ืคื™ืงืึทื˜ื™ืึธื ืก ื•ื•ืึธืก ืคึฟืึทืจื‘ืขืกืขืจืŸ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜. ื–ื™ื™ ืคืึทืœืŸ ืื™ืŸ ืฆื•ื•ื™ื™ ืงืึทื˜ืขื’ืึธืจื™ืขืก: ื™ืขื ืข ื•ื•ืึธืก ื˜ื•ื™ืฉืŸ ื“ื™ ื’ืจืขื ืขืฅ ื˜ื ืึธื™ื ืคื•ืŸ ื“ื™ ืคึผืงื‘, ืื•ืŸ ื™ืขื ืข ื•ื•ืึธืก ืคืึทืจื’ืจืขืกืขืจืŸ ื“ืึทืžืคึผื™ื ื’.

ื“ืขืจ ื”ื•ื™ืคึผื˜ ืฆื™ืœ ืคื•ืŸ ืžืึธื“ื™ืคื™ืงืึทื˜ื™ืึธื ืก ืคื•ืŸ ื’ืจืขื ืขืฅ ืฆื•ืฉื˜ืึทื ื“ ืื™ื– ืฆื• ืจืขื“ื•ืฆื™ืจืŸ ื“ื™ ื“ื™ื ืึทืžื™ืฉ ื“ืขืคืœืขืงื˜ื™ืึธืŸ ืคื•ืŸ ื“ื™ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜, ื“ืึธืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ืึทื˜ืฉื™ื•ื•ื“ ื“ื•ืจืš ืกื˜ื™ืคืึทื ื™ื ื’ ืจื™ื‘ืก, ื ืึธืš ืฉื˜ื™ืฆืŸ ืึธื“ืขืจ ืจื™ื“ื•ืกื™ื ื’ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืคื•ืŸ ื“ื™ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ืžื™ื˜ืœ. ืกื˜ื™ืคืขื ืขืจืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ื ื•ืฆื™ืง ื•ื•ื™ื™ึทืœ ื–ื™ื™ ืคืึทืจื’ืจืขืกืขืจืŸ ื ืึทื˜ื™ืจืœืขืš ืคืจื™ืงื•ื•ืึทื ืกื™ื–, ื“ืขืจืžื™ื˜ ืจื™ื“ื•ืกื™ื ื’ ื“ื™ื ืึทืžื™ืฉ ื“ืขืคืœืขืงื˜ื™ืึธืŸ [62], ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืึทืคึผืœื™ื™ื– ืฆื• ืึทื“ื™ื ื’ ื ืึธืš ืฉื˜ื™ืฆืŸ [3], ื›ืึธื˜ืฉ ื“ื™ ืึธืจื˜ ืคื•ืŸ ืฉื˜ื™ืฆืŸ ืงืขื ืขืŸ ืื•ื™ืš ื–ื™ื™ืŸ ืึธืคึผื˜ื™ืžื™ื–ืขื“, ื•ื•ื™ ื’ืขื•ื•ื™ื–ืŸ ืื™ืŸ ื“ื™ ื•ื•ืขืจืง ืคื•ืŸ JH Ong ืื•ืŸ Lim [40] XNUMX ]. ืฆื•ื ื‘ืึทื“ื•ื™ืขืจืŸ, ืจื™ื‘ืก ืื•ืŸ ืฉื˜ื™ืฆื˜ ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ื“ืึทืจืคืŸ ืึท ืจื™ื“ื™ื–ื™ื™ืŸ ืคื•ืŸ ื“ื™ ืื•ื™ืกืœื™ื™ื’, ืึทื–ื•ื™ ื“ื™ ื˜ืขืงื ื™ืงืก ื–ืขื ืขืŸ ื‘ืขืกื˜ืขืจ ืงืึทื ืกื™ื“ืขืจื“ ืคืจื™ ืื™ืŸ ื“ื™ ืคึผืœืึทืŸ ืฆื™ืงืœ. ืื™ืŸ ืึทื“ื™ืฉืึทืŸ, ืขืก ื–ืึธืœ ื–ื™ื™ืŸ ื’ืขื ื•ืžืขืŸ ื–ืึธืจื’ืŸ ืฆื• ืขื ืฉื•ืจ ืึทื– ืžืึธื“ื™ืคื™ืงืึทื˜ื™ืึธื ืก ื˜ืึธืŸ ื ื™ื˜ ื˜ื•ื™ืฉืŸ ื“ื™ ื ืึทื˜ื™ืจืœืขืš ืคืจื™ืงื•ื•ืึทื ืกื™ื– ืฆื• ื’ืœื™ื™ึทื›ืŸ ื“ื™ ื ืึทื˜ื™ืจืœืขืš ืคืจื™ืงื•ื•ืึทื ืกื™ื– ืคื•ืŸ ื“ื™ ืฉื˜ื™ืฆืŸ ืกื˜ืจื•ืงื˜ื•ืจ, ื•ื•ื™ื™ึทืœ ื“ืึธืก ื•ื•ืึธืœื˜ ื–ื™ื™ืŸ ืงืึทื•ื ื˜ืขืจืคึผืจืึทื“ืึทืงื˜ื™ื•ื•.

ืึทื“ื“ื™ื ื’ ื™ื ืกืึทืœื™ื™ืฉืึทืŸ ื™ืžืคึผืจื•ื•ื•ื– ืคึผืจืึธื“ื•ืงื˜ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื“ื•ืจืš ืจื™ื“ื•ืกื™ื ื’ ื“ื™ ืคึผืจืึทืœ ืคื•ืŸ ื“ื™ ื“ื™ื ืึทืžื™ืฉ ืกื•ื•ื™ื•ื•ืข ื˜ืจืึทื ืกืคืขืจื“ ืฆื• ื“ื™ ื•ื™ืกืจื™ื›ื˜ ืื•ืŸ ืงืขื ืขืŸ ื–ื™ื™ืŸ ืึทื˜ืฉื™ื•ื•ื“ ืคึผืึทืกื™ื•ื•ืœื™ ืึธื“ืขืจ ืึทืงื˜ื™ื•ื•ืœื™.
ืคึผืึทืกื™ื•ื• ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ืคึผืฉื•ื˜ ืื•ืŸ ื˜ืฉื™ืคึผืขืจ ืฆื• ื™ื ืกื˜ืจื•ืžืขื ื˜, ืึทื–ืึท ื•ื•ื™ ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ืงืึทื‘ืœืข ื™ื ืกืึทืœื™ื™ื˜ืขืจื– [66] ืึธื“ืขืจ ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ืคึผืกืขื•ื•ื“ืขืœืึทืกื˜ื™ืง ืคึผืจืึธืคึผืขืจื˜ื™ืขืก ืคื•ืŸ ืคืึธืจืขื ื–ื›ึผืจื•ืŸ ืึทืœื•ื™ื– (SMA) [32]. ืึธื‘ืขืจ, ืขืก ืื™ื– ื‘ืืงืื ื˜ ืึทื– ืฉื•ื•ืึทืš ื“ื™ื–ื™ื™ื ื“ ื™ื™ืกืึทืœื™ื™ื˜ืขืจื– ืงืขื ืขืŸ ืึทืงืฉืœื™ ืคืึทืจื’ืจืขืกืขืจืŸ ื“ื™ ืขื ื˜ืคืขืจ.
ืึทืงื˜ื™ื•ื• ืžืขื˜ื”ืึธื“ืก ืฆื•ืฉื˜ืขืœืŸ ื‘ืขืกืขืจ ื“ืึทืžืคึผื™ื ื’ ืื™ื‘ืขืจ ืึท ื‘ืจื™ื™ื˜ ืึธืคื˜ืงื™ื™ึทื˜ ืงื™ื™ื˜, ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ืื•ื™ืฃ ื“ื™ ืงืึธืกื˜ ืคื•ืŸ ืคึผืึทืฉื˜ืขืก ืื•ืŸ ืžืึทืกืข, ืึทื–ื•ื™ ื–ื™ื™ ื–ืขื ืขืŸ ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ื‘ื“ืขื” ืฆื• ืคึฟืึทืจื‘ืขืกืขืจืŸ ื“ื™ ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ ื–ื™ื™ืขืจ ืฉืคึผื™ืจืขื•ื•ื“ื™ืง ืคึผื™ื ื˜ืœืขื›ืงื™ื™ึทื˜ ื™ื ืกื˜ืจืึทืžืึทื ืฅ ืืœื ื•ื•ื™ ืฆื• ืคืึทืจืžื™ื™ึทื“ืŸ ืฉืขื“ื™ืงืŸ. ืึทืงื˜ื™ื•ื• ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืืคื’ืขื–ื•ื ื“ืขืจื˜ืงื™ื™ื˜ ื›ื•ืœืœ ื™ืœืขืงื˜ืจืึธื•ืžืึทื’ื ืขื˜ื™ืง [60] ืื•ืŸ ืคึผื™ืขื–ืึธืขืœืขืงื˜ืจื™ืง ืžืขื˜ื”ืึธื“ืก [18,43]. ื ื™ื˜ ืขื ืœืขืš ืžืึธื“ื™ืคื™ืงืึทื˜ื™ืึธืŸ ืžืขื˜ื”ืึธื“ืก ืคื•ืŸ ื’ืจืขื ืขืฅ ืฆื•ืฉื˜ืึทื ื“, ื“ืึทืžืคึผื™ื ื’ ืžืึธื“ื™ืคื™ืงืึทื˜ื™ืึธืŸ ื™ื™ืžื– ืฆื• ืจืขื“ื•ืฆื™ืจืŸ ื“ื™ ืฉืคึผื™ืฅ ืจืขื–ืึทื ืึทื ื˜ ืขื ื˜ืคืขืจ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜, ื‘ืฉืขืช ื“ื™ ืคืึทืงื˜ื™ืฉ ื ืึทื˜ื™ืจืœืขืš ืคืจื™ืงื•ื•ืึทื ืกื™ื– ื–ืึธืœ ื˜ื•ื™ืฉืŸ ื‘ืœื•ื™ื– ืึท ื‘ื™ืกืœ.

ื•ื•ื™ ืžื™ื˜ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืืคื’ืขื–ื•ื ื“ืขืจื˜ืงื™ื™ื˜, ื“ืึทืžืคึผื™ื ื’ ืงืขื ืขืŸ ื–ื™ื™ืŸ ืึทื˜ืฉื™ื•ื•ื“ ืคึผืึทืกื™ื•ื•ืœื™ ืึธื“ืขืจ ืึทืงื˜ื™ื•ื•ืœื™, ืžื™ื˜ ืขื ืœืขืš ืคึผืœืึทืŸ ืกื™ืžืคึผืœืึทืคื™ืงื™ื™ืฉืึทื ื– ืื™ืŸ ื“ื™ ืขืจืฉื˜ืข ืื•ืŸ ื’ืจืขืกืขืจืข ืงืึทืžืคึผืœืขืงืกื™ื˜ื™ ืื•ืŸ ื“ืึทืžืคึผื™ื ื’ ืื™ืŸ ื“ื™ ื™ืขื ืขืจ.

ืคึผืึทืกื™ื•ื• ืžืขื˜ื”ืึธื“ืก ืึทืจื™ื™ึทื ื ืขืžืขืŸ, ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ื–ื™ื™ืขืจ ืคึผืฉื•ื˜ ืžืขื˜ื”ืึธื“ืก ืึทื–ืึท ื•ื•ื™ ื‘ืึทื ื“ื™ื ื’ ืžืึทื˜ืขืจื™ืึทืœ, ื“ืขืจืžื™ื˜ ื™ื ืงืจื™ืกื™ื ื’ ื“ื™ ื“ืึทืžืคึผื™ื ื’ ืคื•ืŸ ื“ื™ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ [62]. ืžืขืจ ืกืึทืคื™ืกื˜ืึทืงื™ื™ื˜ื™ื“ ืžืขื˜ื”ืึธื“ืก ืึทืจื™ื™ึทื ื ืขืžืขืŸ ืคึผืึทืจื˜ืึทืงืึทืœ ื“ืึทืžืคึผื™ื ื’ [68] ืื•ืŸ ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ื‘ืจืึธื“ื‘ืึทื ื“ ื“ื™ื ืึทืžื™ืฉ ืึทื‘ื–ืึธืจื‘ืขืจื– [25].

ืึทืงื˜ื™ื•ื• ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืงืึธื ื˜ืจืึธืœ ืื™ื– ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ืึทื˜ืฉื™ื•ื•ื“ ื“ื•ืจืš ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ืคึผื™ืขื–ืึธืกืขืจืึทืžื™ืง ืขืœืขืžืขื ื˜ืŸ ื‘ืึทื ื“ื™ื“ ืฆื• ื“ื™ ื™ื™ื‘ืขืจืคืœืึทืš ืคื•ืŸ ื“ื™ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ [1,45]. ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ ื›ืึทืจื“ืึทื ื™ื ื’ ืžืขื˜ื”ืึธื“ืก ืื™ื– ืคืึทืœ ืกืคึผืขืฆื™ืคื™ืฉ ืื•ืŸ ืžื•ื–ืŸ ื–ื™ื™ืŸ ืงืขืจืคืึทืœื™ ื‘ืึทื˜ืจืึทื›ื˜ ืื™ืŸ ื‘ืึทืฆื™ื•ื ื’ ืฆื• ืื ื“ืขืจืข ืžืขื˜ื”ืึธื“ืก. ืึทืคึผืœื™ื™ื™ื ื’ ื“ื™ ื˜ืขืงื ื™ืงืก ืฆื• ื•ื™ืกืจื™ื›ื˜ ื•ื•ืึธืก ืื™ื– ื ื™ื˜ ื‘ืึทื•ื•ื•ืกื˜ ืฆื• ื”ืึธื‘ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื™ืฉื•ื– ื•ื•ืขื˜ ื ื™ืฉื˜ ื“ืึทื•ื•ืงืข ืคืึทืจื’ืจืขืกืขืจืŸ ื“ื™ ืคึผืจื™ื™ึทื– ืื•ืŸ ื•ื•ืึธื’ ืคื•ืŸ ื“ื™ ืคึผืœืึทืŸ. ืึธื‘ืขืจ, ืื•ื™ื‘ ืึท ืคึผืจืึธื“ื•ืงื˜ ืžื™ื˜ ืึท ื‘ืื•ื•ื™ืœื™ืงื˜ ืคึผืœืึทืŸ ืคื™ื™ืœื– ื‘ืขืฉืึทืก ื˜ืขืกื˜ื™ื ื’, ืขืก ืงืขืŸ ื–ื™ื™ืŸ ืคื™ืœ ืคืึทืกื˜ืขืจ ืื•ืŸ ื’ืจื™ื ื’ืขืจ ืฆื• ืฆื•ืœื™ื™ื’ืŸ ืึท ืกื˜ืจืึทืงื˜ืฉืขืจืึทืœ ื›ืึทืจื“ืึทื ื™ื ื’ ื˜ืขื›ื ื™ืง ื•ื•ื™ ืฆื• ืจื™ื“ื™ื–ื™ื™ืŸ ื“ื™ ื•ื™ืกืจื™ื›ื˜.

10. ืึทืคึผืขืจื˜ื•ื ืึทื˜ื™ื– ืคึฟืึทืจ ื“ืขื•ื•ืขืœืึธืคึผื™ื ื’ ืžืขื˜ื”ืึธื“ืก

ื“ืขืจ ืึธืคึผื˜ื™ื™ืœื•ื ื’ ื“ืขื˜ืึทื™ืœืก ืึทืคึผืขืจื˜ื•ื ืึทื˜ื™ื– ืคึฟืึทืจ ื™ืžืคึผืจื•ื•ื•ื™ื ื’ ื“ื™ ืคืึทืจืœืึธื–ืœืขืš ืคึผืจืึธื’ื ืึธื– ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜, ื›ืึธื˜ืฉ ืœืขืฆื˜ืข ืึทื“ื•ื•ืึทื ืกื™ื– ืื™ืŸ ืึธืคึผื˜ืึธืขืœืขืงื˜ืจืึธื ื™ืงืก, ื ืึทื ืึธื˜ืขื˜ืฉื ืึธืœืึธื’ื™ ืื•ืŸ ืคึผืึทืงืงืึทื’ื™ื ื’ ื˜ืขืงื ืึทืœืึทื“ื–ืฉื™ื– ืงืขืŸ ื‘ืึทืœื“ ื‘ืึทื’ืจืขื ืขืฆืŸ ื“ื™ ืึธื ื•ื•ืขื ื“ืœืขืš ืคื•ืŸ ื“ื™ ืคึผืจืึทืคึผืึธื•ื–ืึทืœื–. ื“ื™ ืคื™ืจ ื”ื•ื™ืคึผื˜ ืžืขื˜ื”ืึธื“ืก ืคื•ืŸ ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื– ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืงืขืŸ ื ื™ืฉื˜ ื–ื™ื™ืŸ ืื™ืŸ ื ื•ืฆืŸ ืื™ืŸ ื“ืขืจ ืฆื™ื™ื˜ ืคื•ืŸ ื“ื™ ืคึผืœืึทืŸ ืคื•ืŸ ื“ื™ ืžื™ื˜ืœ. ื“ืขืจ ื‘ืœื•ื™ื– ืคืึทืงื˜ืึธืจ ื•ื•ืึธืก ืงืขืŸ ืžืึทื›ืŸ ืึทื–ืึท ืžืขื˜ื”ืึธื“ืก ืžืขืจ ืึทื˜ืจืึทืงื˜ื™ื•ื• ืื™ื– ื“ื™ ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคื•ืŸ ื’ืึธืจ ืึธื˜ืึทืžื™ื™ื˜ื™ื“, ื ื™ื“ืขืจื™ืง-ืคึผืจื™ื™ึทื– ืžืึทื ื•ืคืึทืงื˜ื•ืจื™ื ื’ ืื•ืŸ ื˜ืขืกื˜ื™ื ื’ ื˜ืขืงื ืึทืœืึทื“ื–ืฉื™ื–, ื•ื•ื™ื™ึทืœ ื“ืึธืก ื•ื•ืึธืœื˜ ืœืึธื–ืŸ ื“ื™ ืคืืจื’ืขืœื™ื™ื’ื˜ ืคึผืœืึทืŸ ืฆื• ื–ื™ื™ืŸ ื’ืขื‘ื•ื™ื˜ ืื•ืŸ ื˜ืขืกื˜ืขื“ ืคื™ืœ ืคืึทืกื˜ืขืจ ื•ื•ื™ ืื™ืฆื˜ ืžืขื’ืœืขืš, ืžื™ื˜ ืžื™ื ื™ืžืึทืœ ืžืขื ื˜ืฉ ืžื™.

ื“ื™ PoF ืื•ืคึฟืŸ ื”ืื˜ ืึท ืคึผืœืึทืฅ ืคื•ืŸ ืคึผืœืึทืฅ ืคึฟืึทืจ ืคึฟืึทืจื‘ืขืกืขืจื•ื ื’. ื“ื™ ื”ื•ื™ืคึผื˜ ื’ืขื’ื ื˜ ื•ื•ื• ืขืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ื™ืžืคึผืจื•ื•ื•ื“ ืื™ื– ืื™ืŸ ื™ื ืึทื’ืจื™ื™ืฉืึทืŸ ืžื™ื˜ ื“ื™ ืงื•ื™ืœืขืœื“ื™ืง ืคึผืœืึทืŸ ืคึผืจืึธืฆืขืก. ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืคึผืœืึทืŸ ืื™ื– ืึท ื™ื˜ืขืจืึทื˜ื™ื•ื• ืคึผืจืึธืฆืขืก ื•ื•ืึธืก ื‘ืจืขื ื’ื˜ ื“ื™ ื“ืขื•ื•ืขืœืึธืคึผืขืจ ื ืขืขื ื˜ืขืจ ืฆื• ื“ื™ ืคืึทืจื˜ื™ืง ืจืขื–ื•ืœื˜ืึทื˜ ื‘ืœื•ื™ื– ืื™ืŸ ืžื™ื˜ืึทืจื‘ืขื˜ ืžื™ื˜ ืขื ื“ื–ืฉืึทื ื™ืจื– ื•ื•ืึธืก ืกืคึผืขืฉืึทืœื™ื™ื– ืื™ืŸ ื“ื™ ืคืขืœื“ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืง, ืžืึทื ื•ืคืึทืงื˜ื•ืจื™ื ื’ ืื•ืŸ ื˜ืขืจืžืึทืœ ื™ื ื–ืฉืขื ื™ืขืจื™ืข ืื•ืŸ ืกื˜ืจืึทืงื˜ืฉืขืจืึทืœ ืคึผืœืึทืŸ. ื ืžืขื˜ืึธื“ ื•ื•ืึธืก ืื•ื™ื˜ืึธืžืึทื˜ื™ืฉ ืึทื“ืจืขืกื– ืขื˜ืœืขื›ืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ื“ื™ ื™ืฉื•ื– ืกื™ื™ืžืึทืœื˜ื™ื™ื ื™ืึทืกืœื™ ื•ื•ืขื˜ ืจืขื“ื•ืฆื™ืจืŸ ื“ื™ ื ื•ืžืขืจ ืคื•ืŸ ืคึผืœืึทืŸ ื™ื˜ืขืจื™ื™ืฉืึทื ื– ืื•ืŸ ืฉืคึผืึธืจืŸ ื‘ืึทื˜ื™ื™ึทื˜ื™ืง ืึทืžืึทื•ื ืฅ ืคื•ืŸ ืฆื™ื™ื˜, ืกืคึผืขืฆื™ืขืœ ื•ื•ืขืŸ ืงืึทื ืกื™ื“ืขืจื™ื ื’ ื“ื™ ืกื•ืžืข ืคื•ืŸ โ€‹โ€‹ื™ื ื˜ืขืจื“ืขืคึผืึทืจื˜ืžืขื ื˜ืึทืœ ืงืึธืžื•ื ื™ืงืึทืฆื™ืข. ืื ื“ืขืจืข ื’ืขื‘ื™ื˜ืŸ ืคื•ืŸ ืคึฟืึทืจื‘ืขืกืขืจื•ื ื’ ืื™ืŸ ืคึผืึธืฃ ืžืขื˜ื”ืึธื“ืก ื•ื•ืขื˜ ื–ื™ื™ืŸ ืฆืขื˜ื™ื™ืœื˜ ืื™ืŸ ื˜ื™ื™ืคึผืก ืคื•ืŸ ืขื ื˜ืคืขืจ ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ืื•ืŸ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท.

ืขื ื˜ืคืขืจ ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ื”ืื˜ ืฆื•ื•ื™ื™ ืžืขื’ืœืขืš ืคึผืึทื˜ืก ืคืึธืจื•ื™ืก: ืึธื“ืขืจ ืคืึทืกื˜ืขืจ, ืžืขืจ ื“ื™ื˜ื™ื™ืœื“ ืžืึธื“ืขืœืก, ืึธื“ืขืจ ื™ืžืคึผืจื•ื•ื•ื“, ืกื™ืžืคึผืœืึทืคื™ื™ื“ ืžืึธื“ืขืœืก. ืžื™ื˜ ื“ื™ ืึทื“ื•ื•ืขื ื˜ ืคื•ืŸ ื™ื ืงืจื™ืกื™ื ื’ืœื™ ืฉื˜ืึทืจืง ืงืึธืžืคึผื™ื•ื˜ืขืจ ืคึผืจืึทืกืขืกืขืจื–, ื“ื™ ืœื™ื™ื–ื•ื ื’ ืฆื™ื™ื˜ ืคึฟืึทืจ ื“ื™ื˜ื™ื™ืœื“ FE ืžืึธื“ืขืœืก ืงืขื ืขืŸ ื•ื•ืขืจืŸ ื’ืึทื ืฅ ืงื•ืจืฅ, ืื•ืŸ ืื™ืŸ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืฆื™ื™ื˜, ื“ืึทื ืง ืฆื• ืžืึธื“ืขืจืŸ ื•ื•ื™ื™ื›ื•ื•ืืจื’, ืคึผืจืึธื“ื•ืงื˜ ืคึฟืึทืจื–ืึทืžืœื•ื ื’ ืฆื™ื™ื˜ ืื™ื– ืจื™ื“ื•ืกื˜, ื•ื•ืึธืก ืœืขืกืึธืฃ ืžื™ื ืึทืžื™ื™ื– ื“ื™ ืงืึธืก ืคื•ืŸ ืžืขื ื˜ืฉ ืจืขืกื•ืจืกืŸ. ืกื™ืžืคึผืœื™ืคื™ืขื“ FE ืžืขื˜ื”ืึธื“ืก ืงืขื ืขืŸ ืื•ื™ืš ื–ื™ื™ืŸ ื™ืžืคึผืจื•ื•ื•ื“ ื“ื•ืจืš ืึท ืคึผืจืึธืฆืขืก ืคึฟืึทืจ ืื•ื™ื˜ืึธืžืึทื˜ื™ืฉ ื“ื–ืฉืขื ืขืจื™ื™ื˜ื™ื ื’ FE ืžืึธื“ืขืœืก, ืขื ืœืขืš ืฆื• ื“ื™ ืคืืจื’ืขืœื™ื™ื’ื˜ ืคึฟืึทืจ ื“ื™ื˜ื™ื™ืœื“ FE ืžืขื˜ื”ืึธื“ืก. ืึธื˜ืึทืžืึทื˜ื™ืง ื•ื•ื™ื™ื›ื•ื•ืืจื’ (CALCE PWA) ืื™ื– ื“ืขืจื•ื•ื™ื™ึทืœ ื‘ื ื™ืžืฆื ืคึฟืึทืจ ื“ืขื ืฆื•ื•ืขืง, ืึธื‘ืขืจ ื“ื™ ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืื™ื– ื ื™ืฉื˜ ื’ืขื–ื•ื ื˜ ืคึผืจืึธื•ื•ืขืŸ ืื™ืŸ ืคื™ืจ ืื•ืŸ ื“ื™ ืžืึธื“ืขืœื™ื ื’ ืึทืกืึทืžืคึผืฉืึทื ื– ื’ืขืžืื›ื˜ ื–ืขื ืขืŸ ืื•ืžื‘ืึทืงืึทื ื˜.

ืงืึทืœืงื•ืœืึทื˜ื™ืึธืŸ ืคื•ืŸ ื“ื™ ืึทื ืกืขืจื˜ืึทื ื˜ื™ ื˜ืึธื›ื™ืง ืื™ืŸ ืคืึทืจืฉื™ื“ืขื ืข ืกื™ืžืคึผืœืึทืคื™ืงื™ื™ืฉืึทืŸ ืžืขื˜ื”ืึธื“ืก ื•ื•ืึธืœื˜ ื–ื™ื™ืŸ ื–ื™ื™ืขืจ ื ื•ืฆื™ืง, ืึทืœืึทื•ื™ื ื’ ื ื•ืฆื™ืง ืฉื•ืœื“ ื˜ืึธืœืขืจืึทื ืฅ ืงืจื™ื™ื˜ื™ืจื™ืึท ืฆื• ื–ื™ื™ืŸ ื™ืžืคึผืœืึทืžืขื ืึทื“.

ืฆื•ื ืกื•ืฃ, ืึท ื“ืึทื˜ืึทื‘ื™ื™ืก ืึธื“ืขืจ ืื•ืคึฟืŸ ืคึฟืึทืจ ื™ืžืคึผืึทืจื˜ื™ื ื’ ื’ืขื•ื•ืืงืกืŸ ืกื˜ื™ืคื ืึทืก ืฆื• ืึทื˜ืึทื˜ืฉื˜ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื•ื•ืึธืœื˜ ื–ื™ื™ืŸ ื ื•ืฆื™ืง, ื•ื•ื• ื“ื™ ืกื˜ื™ืคื ืึทืก ื™ื ืงืจื™ืกื™ื– ืงืขืŸ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ืฆื• ืคึฟืึทืจื‘ืขืกืขืจืŸ ื“ื™ ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ ืขื ื˜ืคืขืจ ืžืึธื“ืขืœืก. ื“ื™ ืฉืึทืคื•ื ื’ ืคื•ืŸ ืงืึธืžืคึผืึธื ืขื ื˜ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท ืื™ื– ืึธืคืขื ื’ื™ืง ืื•ื™ืฃ ื“ื™ ืงืœื™ื™ืŸ ื•ื•ืขืจื™ื™ื™ืฉืึทืŸ ืฆื•ื•ื™ืฉืŸ ืขื ืœืขืš ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืคื•ืŸ ืคืึทืจืฉื™ื“ืขื ืข ืžืึทื ื™ืึทืคืึทืงื˜ืฉืขืจืขืจื–, ื•ื•ื™ ื’ืขื–ื•ื ื˜ ื•ื•ื™ ื“ื™ ืžืขื’ืœืขืš ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคื•ืŸ ื ื™ื™ึท ืคึผืึทืงืงืึทื’ื™ื ื’ ื˜ื™ื™ืคึผืก, ื•ื•ื™ื™ึทืœ ืงื™ื™ืŸ ืžืขื˜ืึธื“ ืึธื“ืขืจ ื“ืึทื˜ืึทื‘ื™ื™ืก ืคึฟืึทืจ ื“ื™ื˜ืขืจืžืึทื ื™ื ื’ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท ืžื•ื–ืŸ ื ืขืžืขืŸ ืื™ืŸ ื—ืฉื‘ื•ืŸ ืึทื–ืึท ื•ื•ืขืจื™ืึทื‘ื™ืœื™ื˜ื™ ืื•ืŸ ืขื ื“ืขืจื•ื ื’ืขืŸ.

ืื™ื™ืŸ ืœื™ื™ื–ื•ื ื’ ื•ื•ืึธืœื˜ ื–ื™ื™ืŸ ืฆื• ืฉืึทืคึฟืŸ ืึท ืื•ืคึฟืŸ / ื•ื•ื™ื™ื›ื•ื•ืืจื’ ืฆื• ืื•ื™ื˜ืึธืžืึทื˜ื™ืฉ ื‘ื•ื™ืขืŸ ื“ื™ื˜ื™ื™ืœื“ FE ืžืึธื“ืขืœืก ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ืึทืจื™ื™ึทื ืฉืจื™ื™ึทื‘ ืคึผืึทืจืึทืžืขื˜ืขืจืก ืึทื–ืึท ื•ื•ื™ ืคื™ืจืŸ ืื•ืŸ ืคึผืึทืงืงืึทื’ื™ื ื’ ื“ื™ืžืขื ืฉืึทื ื–. ื“ืขืจ ืื•ืคึฟืŸ ืงืขืŸ ื–ื™ื™ืŸ ืคื™ื–ืึทื‘ืึทืœ ืคึฟืึทืจ ื‘ื›ืœืœ ื™ื•ื ืึทืคืึธืจืžืœื™ ืฉื™ื™ืคึผื˜ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืึทื–ืึท ื•ื•ื™ SMT ืึธื“ืขืจ DIP ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ืึธื‘ืขืจ ื ื™ืฉื˜ ืคึฟืึทืจ ืงืึธืžืคึผืœืขืงืก ื™ืจืขื’ื™ืึทืœืขืจ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืึทื–ืึท ื•ื•ื™ ื˜ืจืึทื ืกืคืึธืจืžืขืจืก, ื˜ืฉืึธื•ืงืก ืึธื“ืขืจ ื ื™ื˜-ื ืึธืจืžืึทืœ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ.

ะŸะพัะปะตะดัƒัŽั‰ะธะต FE ะผะพะดะตะปะธ ะผะพะณัƒั‚ ะฑั‹ั‚ัŒ ั€ะตัˆะตะฝั‹ ะดะปั ะฝะฐะฟั€ัะถะตะฝะธะน ะธ ะพะฑัŠะตะดะธะฝะตะฝั‹ ั ะดะฐะฝะฝั‹ะผะธ ะพ ั€ะฐะทั€ัƒัˆะตะฝะธะธ ะผะฐั‚ะตั€ะธะฐะปะฐ (ะดะฐะฝะฝั‹ะต ะบั€ะธะฒะพะน ะฟะปะฐัั‚ะธั‡ะฝะพัั‚ะธS-N, ะผะตั…ะฐะฝะธะบะฐ ั€ะฐะทั€ัƒัˆะตะฝะธั ะธะปะธ ะฐะฝะฐะปะพะณะธั‡ะฝั‹ะต) ะดะปั ั€ะฐัั‡ะตั‚ะฐ ัั€ะพะบะฐ ัะปัƒะถะฑั‹ ะบะพะผะฟะพะฝะตะฝั‚ะพะฒ, ั…ะพั‚ั ะดะฐะฝะฝั‹ะต ะพ ั€ะฐะทั€ัƒัˆะตะฝะธะธ ะผะฐั‚ะตั€ะธะฐะปะฐ ะดะพะปะถะฝั‹ ะฑั‹ั‚ัŒ ะฒั‹ัะพะบะพะณะพ ะบะฐั‡ะตัั‚ะฒะฐ. ะŸั€ะพั†ะตัั FE ะดะพะปะถะตะฝ ะฑั‹ั‚ัŒ ัะพะพั‚ะฝะตัะตะฝ ั ั€ะตะฐะปัŒะฝั‹ะผะธ ั‚ะตัั‚ะพะฒั‹ะผะธ ะดะฐะฝะฝั‹ะผะธ, ะฟั€ะตะดะฟะพั‡ั‚ะธั‚ะตะปัŒะฝะพ ะฒ ะผะฐะบัะธะผะฐะปัŒะฝะพ ัˆะธั€ะพะบะพะผ ะดะธะฐะฟะฐะทะพะฝะต ะบะพะฝั„ะธะณัƒั€ะฐั†ะธะน.

ื“ื™ ืžื™ ื™ื ื•ื•ืึทืœื•ื•ื“ ืื™ืŸ ืึทื–ืึท ืึท ืคึผืจืึธืฆืขืก ืื™ื– ืœืขืคื™ืขืจืขืš ืงืœื™ื™ืŸ ืงืึทืžืคึผืขืจื“ ืžื™ื˜ ื“ื™ ืึธืœื˜ืขืจื ืึทื˜ื™ื•ื• ืคื•ืŸ ื“ื™ืจืขืงื˜ ืœืึทื‘ืึธืจืึทื˜ืึธืจื™ืข ื˜ืขืกื˜ื™ื ื’, ื•ื•ืึธืก ืžื•ื–ืŸ ื“ื•ืจื›ืคื™ืจืŸ ืึท ืกื˜ืึทื˜ื™ืกื˜ื™ืฉ ื‘ืึทื˜ื™ื™ื˜ื™ืง ื ื•ืžืขืจ ืคื•ืŸ ื˜ืขืกืฅ ืึทืจื™ื‘ืขืจ ื•ื•ืขืจื™ื™ื ื’ ืคึผืงื‘ ื˜ื™ืงื ืึทืก, ื•ื•ืขืจื™ื™ื ื’ ืžืึทืกืข ื™ื ื˜ืขื ืกื™ื˜ื™ืขืก ืื•ืŸ ืžืึทืกืข ืื™ื ืกื˜ืจื•ืงืฆื™ืขืก, ืืคื™ืœื• ืžื™ื˜ ื”ื•ื ื“ืขืจื˜ืขืจ ืคื•ืŸ ืคืึทืจืฉื™ื“ืขื ืข ืงืึธืžืคึผืึธื ืขื ื˜ ื˜ื™ื™ืคึผืก ื‘ื ื™ืžืฆื ืคึฟืึทืจ ืงื™ื™ืคืœ. ื˜ื™ื™ืคึผืก ืคื•ืŸ ื‘ืึธืจื“ื–. ืื™ืŸ ื˜ืขืจืžื™ื ืขืŸ ืคื•ืŸ ืคึผืฉื•ื˜ ืœืึทื‘ืึธืจืึทื˜ืึธืจื™ืข ื˜ืขืกื˜ื™ื ื’, ืขืก ืงืขืŸ ื–ื™ื™ืŸ ืึท ืื•ืคึฟืŸ ืฆื• ืคึฟืึทืจื‘ืขืกืขืจืŸ ื“ื™ ื•ื•ืขืจื˜ ืคื•ืŸ ื™ืขื“ืขืจ ืคึผืจืึธื‘ืข.

ืื•ื™ื‘ ืขืก ืื™ื– ื’ืขื•ื•ืขืŸ ืึท ืžืขื˜ืึธื“ ืคึฟืึทืจ ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื ื’ ื“ื™ ืงืึธืจืขื•ื• ืคืึทืจื’ืจืขืกืขืจืŸ ืื™ืŸ ื“ืจื•ืง ืจืขื›ื˜ ืฆื• ืขื ื“ืขืจื•ื ื’ืขืŸ ืื™ืŸ ื–ื™ื›ืขืจ ื•ื•ืขืจื™ืึทื‘ืึทืœื–, ืึทื–ืึท ื•ื•ื™ ืคึผืงื‘ ื’ืจืขื‘ ืึธื“ืขืจ ืคื™ืจืŸ ื“ื™ืžืขื ืฉืึทื ื–, ื“ืขืžืึธืœื˜ ื“ืขืจ ืขื ื“ืขืจื•ื ื’ ืื™ืŸ ืงืึธืžืคึผืึธื ืขื ื˜ ืœืขื‘ืŸ ืงืขืŸ ื–ื™ื™ืŸ ืขืกื˜ื™ืžืึทื˜ืขื“. ืึทื–ืึท ืึท ืื•ืคึฟืŸ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื‘ืืฉืืคืŸ ืžื™ื˜ FE ืึทื ืึทืœื™ืกื™ืก ืึธื“ืขืจ ืึทื ืึทืœื™ืกื™ืก ืžืขื˜ื”ืึธื“ืก, ืœืขืกืึธืฃ ืœื™ื“ื™ื ื’ ืฆื• ืึท ืคึผืฉื•ื˜ ืคืึธืจืžื•ืœืข ืคึฟืึทืจ ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื ื’ ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท ืคึฟื•ืŸ ื™ื’ื–ื™ืกื˜ื™ื ื’ ื“ื•ืจื›ืคืึทืœ ื“ืึทื˜ืŸ.

ืœืขืกืึธืฃ, ืขืก ืื™ื– ื“ืขืจื•ื•ืึทืจื˜ ืึทื– ืึท ืื•ืคึฟืŸ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื‘ืืฉืืคืŸ ื•ื•ืึธืก ืงืึทืžื‘ื™ื™ื ื– ืึทืœืข ื“ื™ ืคืึทืจืฉื™ื“ืขื ืข ืžื›ืฉื™ืจื™ื ื‘ื ื™ืžืฆื: FE ืึทื ืึทืœื™ืกื™ืก, ืคึผืจื•ื‘ื™ืจืŸ ื“ืึทื˜ืŸ, ืึทื ืึทืœื™ื˜ื™ืงืึทืœ ืึทื ืึทืœื™ืกื™ืก ืื•ืŸ ืกื˜ืึทื˜ื™ืกื˜ื™ืฉ ืžืขื˜ื”ืึธื“ืก ืฆื• ืฉืึทืคึฟืŸ ื“ื™ ืžืขืจืกื˜ ืคึผื™ื ื˜ืœืขืš ื“ื•ืจื›ืคืึทืœ ื“ืึทื˜ืŸ ืžืขื’ืœืขืš ืžื™ื˜ ื“ื™ ืœื™ืžื™ื˜ืขื“ ืจืขืกื•ืจืกืŸ ื‘ื ื™ืžืฆื. ืึทืœืข ื™ื—ื™ื“ ืขืœืขืžืขื ื˜ืŸ ืคื•ืŸ ื“ื™ PoF ืื•ืคึฟืŸ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื™ืžืคึผืจื•ื•ื•ื“ ื“ื•ืจืš ื™ื ื˜ืจืึธื•ื“ื•ืกื™ื ื’ ืกื˜ืึธื˜ืฉืึทืกื˜ื™ืง ืžืขื˜ื”ืึธื“ืก ืื™ืŸ ื“ืขื ืคึผืจืึธืฆืขืก ืฆื• ื ืขืžืขืŸ ืื™ืŸ ื—ืฉื‘ื•ืŸ ื“ื™ ื™ืคืขืงืฅ ืคื•ืŸ ื•ื•ืขืจื™ืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืžืึทื˜ืขืจื™ืึทืœืก ืื•ืŸ ืžืึทื ื•ืคืึทืงื˜ื•ืจื™ื ื’ ืกื˜ืึทื’ืขืก. ื“ืึธืก ื•ื•ืึธืœื˜ ืžืึทื›ืŸ ื“ื™ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ืžืขืจ ืจืขืึทืœื™ืกื˜ื™ืฉ, ื˜ืึธืžืขืจ ืœื™ื“ื™ื ื’ ืฆื• ืึท ืคึผืจืึธืฆืขืก ืคึฟืึทืจ ืงืจื™ื™ื™ื˜ื™ื ื’ ื•ื™ืกืจื™ื›ื˜ ื•ื•ืึธืก ืื™ื– ืžืขืจ ืฉื˜ืึทืจืง ืฆื• ื•ื•ืขืจื™ืึทื‘ื™ืœื™ื˜ื™ ื‘ืฉืขืช ืžื™ื ืึทืžื™ื™ื–ื™ื ื’ ืคึผืจืึธื“ื•ืงื˜ ื“ืขืจื ื™ื“ืขืจื™ืงื•ื ื’ (ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ื•ื•ืึธื’ ืื•ืŸ ืคึผืจื™ื™ึทื–).

ืœืขืกืึธืฃ, ืึทื–ืึท ื™ืžืคึผืจื•ื•ื•ืžืึทื ืฅ ืงืขืŸ ืืคื™ืœื• ืœืึธื–ืŸ ืคืึทืงื˜ื™ืฉ-ืฆื™ื™ื˜ ืึทืกืกืขืกืกืžืขื ื˜ ืคื•ืŸ ื•ื™ืกืจื™ื›ื˜ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื‘ืขืฉืึทืก ื“ื™ ืคึผืœืึทืŸ ืคึผืจืึธืฆืขืก, ื’ืœื™ื™ืš ืกืึทื’ื“ื–ืฉืขืกื˜ื™ื ื’ ืกืึทืคืขืจ ืงืึธืžืคึผืึธื ืขื ื˜ ืึธืคึผืฆื™ืขืก, ืœื™ื™ืึทื•ืฅ ืึธื“ืขืจ ืื ื“ืขืจืข ืจืขืงืึทืžืึทื ื“ื™ื™ืฉืึทื ื– ืฆื• ืคึฟืึทืจื‘ืขืกืขืจืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื‘ืฉืขืช ืึทื“ืจืขืกื™ื ื’ ืื ื“ืขืจืข ื™ืฉื•ื– ืึทื–ืึท ื•ื•ื™ ื™ืœืขืงื˜ืจืึธื•ืžืึทื’ื ืขื˜ื™ืง ื™ื ื˜ืขืจืคื™ืจืึทื ืก (EMI), ื˜ืขืจืžืึทืœ ืื•ืŸ ื™ื ื“ืึทืกื˜ืจื™.

11. ืžืกืงื ื

ื“ื™ ืจืขืฆืขื ื–ื™ืข ื™ื ื˜ืจืึทื“ื•ืกื™ื– ื“ื™ ืงืึทืžืคึผืœืขืงืกื™ื˜ื™ื– ืคื•ืŸ ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜, ื˜ืจื™ื™ืกื™ื ื’ ื“ื™ ืขื•ื•ืึธืœื•ืฆื™ืข ืคื•ืŸ โ€‹โ€‹ืคื™ืจ ื˜ื™ื™ืคึผืก ืคื•ืŸ ืึทื ืึทืœื™ืกื™ืก ืžืขื˜ื”ืึธื“ืก (ืจืขื’ื•ืœืึทื˜ืึธืจื™ ืœื™ื˜ืขืจืึทื˜ื•ืจ, ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ, ืคึผืจืึธื‘ืข ื“ืึทื˜ืŸ ืื•ืŸ PoF), ื•ื•ืึธืก ืคื™ืจืŸ ืฆื• ืึท ืกื™ื ื˜ืขื– ืื•ืŸ ืคืึทืจื’ืœื™ื™ึทืš ืคื•ืŸ ื“ื™ ื˜ื™ื™ืคึผืก ืคื•ืŸ ืžืขื˜ื”ืึธื“ืก. ืจืขืคืขืจืขื ืฅ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื‘ืืžืขืจืงื˜ ืฆื• ื–ื™ื™ืŸ ื ื•ืฆื™ืง ื‘ืœื•ื™ื– ืคึฟืึทืจ ืคึผืจื™ืœื™ืžืึทื ืขืจื™ ืฉื˜ื•ื“ื™ื•ื, ื™ืงืกืคึผืขืจืžืขื ืึทืœ ื“ืึทื˜ืŸ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื‘ืœื•ื™ื– ื ื•ืฆื™ืง ืื•ื™ื‘ ื‘ืจื™ื™ื˜ ืื•ืŸ ืคึผื™ื ื˜ืœืขืš ื˜ื™ื™ืžื™ื ื’ ื“ืึทื˜ืŸ ื–ืขื ืขืŸ ื‘ืืจืขื›ื˜ื™ื’ื˜, ืื•ืŸ ืคึผืจืึธื‘ืข ื“ืึทื˜ืŸ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื•ื•ื™ื˜ืึทืœ ืคึฟืึทืจ ืคึผืœืึทืŸ ืงื•ื•ืึทืœื™ืคื™ืงืึทืฆื™ืข ื˜ืขืกื˜ื™ื ื’ ืึธื‘ืขืจ ื ื™ื˜ ื’ืขื ื•ื’ื™ืง ืคึฟืึทืจ ืึทืคึผื˜ืึทืžืึทื–ื™ื™ืฉืึทืŸ.

ืคึผืึธืฃ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื“ื™ืกืงืึทืกื˜ ืื™ืŸ ืžืขืจ ื“ืขื˜ืึทืœ ื•ื•ื™ ืื™ืŸ ืคืจื™ืขืจื“ื™ืงืŸ ืœื™ื˜ืขืจืึทื˜ื•ืจ ื‘ืืจื™ื›ื˜ืŸ, ื“ื™ื•ื•ื™ื™ื“ื™ื ื’ ื“ื™ ืคืึธืจืฉื•ื ื’ ืื™ืŸ ืงืึทื˜ืขื’ืึธืจื™ืขืก ืคื•ืŸ ืคึผืจืึธื’ื ืึธื– ืงืจื™ื™ื˜ื™ืจื™ืึท ืื•ืŸ ืžืึทืฉืžืึธืขืก ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ. ื“ืขืจ ืึธืคึผื˜ื™ื™ืœื•ื ื’ "ืจืขืกืคึผืึธื ืกืข ืคืึธืจื•ื™ืกื–ืึธื’ืŸ" ื‘ืืจื™ื›ื˜ืŸ ื“ื™ ืœื™ื˜ืขืจืึทื˜ื•ืจ ืื•ื™ืฃ ืคื•ื ืื ื“ืขืจื’ืขื˜ื™ื™ืœื˜ ืคึผืจืึธืคึผืขืจื˜ื™ืขืก, ื’ืจืขื ืขืฅ ืฆื•ืฉื˜ืึทื ื“ ืžืึธื“ืขืœื™ื ื’ ืื•ืŸ ื“ืขื˜ืึทืœ ืœืขื•ื•ืขืœืก ืื™ืŸ FE ืžืึธื“ืขืœืก. ื“ื™ ื‘ืจื™ืจื” ืคื•ืŸ ืขื ื˜ืคืขืจ ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ืื•ืคึฟืŸ ืื™ื– ื’ืขื•ื•ื™ื–ืŸ ืฆื• ื–ื™ื™ืŸ ืึท ื”ืึทื ื“ืœ-ืึทื•ื•ืขืง ืฆื•ื•ื™ืฉืŸ ืึทืงื™ืขืจืึทืกื™ ืื•ืŸ ืฆื™ื™ื˜ ืฆื• ื“ื–ืฉืขื ืขืจื™ื™ื˜ ืื•ืŸ ืกืึธืœื•ื•ืข ื“ื™ FE ืžืึธื“ืขืœ, ื•ื•ื™ื“ืขืจ ืขืžืคืึทืกื™ื™ื–ื™ื ื’ ื“ื™ ื•ื•ื™ื›ื˜ื™ืงื™ื™ื˜ ืคื•ืŸ ื“ื™ ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ ื“ื™ ื’ืจืขื ืขืฅ ื˜ื ืึธื™ื. ื“ืขืจ ืึธืคึผื˜ื™ื™ืœื•ื ื’ "ืคืึทื™ืœื•ืจืข ืงืจื™ื˜ืขืจื™ืึท" ื“ื™ืกืงืึทืกื˜ ืขืžืคึผื™ืจื™ืงืึทืœ ืื•ืŸ ืึทื ืึทืœื™ืกื™ืก ื“ื•ืจื›ืคืึทืœ ืงืจื™ื™ื˜ื™ืจื™ืึท; ืคึฟืึทืจ SMT ื˜ืขื›ื ืึธืœืึธื’ื™ืข, ื‘ืืจื™ื›ื˜ืŸ ืคื•ืŸ ืžืึธื“ืขืœืก ืื•ืŸ ืฉื•ื•ืขืจ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื–ืขื ืขืŸ ืฆื•ื’ืขืฉื˜ืขืœื˜.
ืขืžืคึผื™ืจื™ืงืึทืœ ืžืขื˜ื”ืึธื“ืก ื–ืขื ืขืŸ ื‘ืœื•ื™ื– ืึธื ื•ื•ืขื ื“ืœืขืš ืฆื• ื–ื™ื™ืขืจ ืกืคึผืขืฆื™ืคื™ืฉ ืงืึทืกืขืก, ื›ืึธื˜ืฉ ื–ื™ื™ ืฆื•ืฉื˜ืขืœืŸ ื’ื•ื˜ ื‘ื™ื™ืฉืคื™ืœืŸ ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื˜ืขืกื˜ื™ื ื’ ืžืขื˜ื”ืึธื“ืก, ื›ืึธื˜ืฉ ืึทื ืึทืœื™ืกื™ืก ืžืขื˜ื”ืึธื“ืก ื”ืึธื‘ืŸ ืึท ืคื™ืœ ื‘ืจื™ื™ื˜ ืงื™ื™ื˜ ืคื•ืŸ ืึธื ื•ื•ืขื ื“ืœืขืš ืึธื‘ืขืจ ื–ืขื ืขืŸ ืžืขืจ ืงืึธืžืคึผืœื™ืฆื™ืจื˜ ืฆื• ื™ื ืกื˜ืจื•ืžืขื ื˜. ื ืงื•ืจืฅ ื“ื™ืกืงื•ืกื™ืข ืคื•ืŸ โ€‹โ€‹ื™ื’ื–ื™ืกื˜ื™ื ื’ ื“ื•ืจื›ืคืึทืœ ืึทื ืึทืœื™ืกื™ืก ืžืขื˜ื”ืึธื“ืก ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ืกืคึผืขืฉืึทืœื™ื™ื–ื“ ื•ื•ื™ื™ื›ื•ื•ืืจื’ ืื™ื– ืฆื•ื’ืขืฉื˜ืขืœื˜. ืฆื•ื ืกื•ืฃ, ื™ืžืคึผืœืึทืงื™ื™ืฉืึทื ื– ืคึฟืึทืจ ื“ื™ ืฆื•ืงื•ื ืคึฟื˜ ืคื•ืŸ ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื– ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื–ืขื ืขืŸ ืฆื•ื’ืขืฉื˜ืขืœื˜, ืงืึทื ืกื™ื“ืขืจื™ื ื’ ืื™ื ืกื˜ืจื•ืงืฆื™ืขืก ืื™ืŸ ื•ื•ืึธืก ืžืขื˜ื”ืึธื“ืก ืคื•ืŸ ืคืึทืจืœืึธื–ืœืขืš ืคึผืจืึธื’ื ืึธื– ืงืขืŸ ืึทื ื˜ื•ื•ื™ืงืœืขืŸ.

ืœื™ื˜ืขืจืึทื˜ื•ืจ[1] G.S. Aglietti, R.S. Langley, E. Rogers ืื•ืŸ S.B. Gabriel, ืึทืŸ ืขืคืขืงื˜ื™ื•ื• ืžืึธื“ืขืœ ืคื•ืŸ ืึทืŸ ืขืงื•ื•ื™ืคึผืžืขื ื˜ ืœืึธื•ื“ื™ื“ ื˜ืึทืคืœื™ืข ืคึฟืึทืจ ืึทืงื˜ื™ื•ื• ืงืึธื ื˜ืจืึธืœ ืคึผืœืึทืŸ ืฉื˜ื•ื“ื™ื•ื, ื“ืขืจ ื–ืฉื•ืจื ืึทืœ ืคื•ืŸ ื“ื™ ืึทืงื•ืกื˜ื™ืฉ ื’ืขื–ืขืœืฉืืคื˜ ืคื•ืŸ ืึทืžืขืจื™ืงืข 108 (2000), 1663-1673.
[2] GS Aglietti, ื ืœื™ื™ื˜ืขืจ ืึธืคึผืฆื•ื™ืžื•ื ื’ ืคึฟืึทืจ ืขืœืขืงื˜ืจืึธื ื™ืง ืคึฟืึทืจ ืคึผืœืึทืฅ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื–, ืคึผืจืึทืกื™ื“ื™ื ื’ ืคื•ืŸ ืื™ื ืกื˜ื™ื˜ื•ื˜ ืคื•ืŸ ืžืขื˜ืฉืึทื ื™ืงืึทืœ ืขื ื“ื–ืฉืึทื ื™ืจื– 216 (2002), 131-142.
[3] G.S. Aglietti ืื•ืŸ C. Schwingshackl, ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ ื™ื ืงืœืึธื•ื–ืฉืขืจื– ืื•ืŸ ืึทื ื˜ื™ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ื“ืขื•ื•ื™ืกืขืก ืคึฟืึทืจ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืคึฟืึทืจ ืคึผืœืึทืฅ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื–, ืคืึทืจื”ืึทื ื“ืœื•ื ื’ ืคื•ืŸ ื“ื™ 6 ื™ื ื˜ืขืจื ืึทื˜ื™ืึธื ืึทืœ ืงืึธื ืคืขืจืขื ืกืข ืื•ื™ืฃ ื“ื™ื ืึทืžื™ืง ืื•ืŸ ืงืึธื ื˜ืจืึธืœ ืคื•ืŸ ืกืคึผื™ื™ืกืงืจืึทืคื˜ ืกื˜ืจืึทืงื˜ืฉืขืจื– ืื™ืŸ ืคึผืœืึทืฅ, Riomaggiore, ืื™ื˜ืืœื™ืข, (2004).
[4] ื“ ื‘ ื‘ืึทืจืงืขืจ ืื•ืŸ ื™ ื˜ืฉืขืŸ, ืžืึธื“ืขืœื™ื ื’ ื“ื™ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืจื™ืกื˜ืจื™ืงืฉืึทื ื– ืคื•ืŸ ื•ื•ืขื“ื–ืฉ ืฉืœืึธืก ืงืึธืจื˜ ื’ื•ื™ื“ืขืก, ASME ื–ืฉื•ืจื ืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืงืึทื’ื™ื ื’ 115 (2) (1993), 189-194.
[5] D.B. Barker, Y. Chen ืื•ืŸ A. Dasgupta, ืขืกื˜ื™ืžืึทื˜ื™ื ื’ ื“ื™ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืžื™ื“ืงื™ื™ึทื˜ ืœืขื‘ืŸ ืคื•ืŸ ืงื•ื•ืึทื“ ืœื™ื“ื™ื“ ื™ื™ื‘ืขืจืคืœืึทืš ื‘ืืจื’ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ASME ื–ืฉื•ืจื ืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืงืึทื’ื™ื ื’ 115 (2) (1993), 195-200.
[6] D.B. Barker, A. Dasgupta ืื•ืŸ M. Pecht, PWB ืกืึทื“ืขืจ ืฉืœืึธืก ืœืขื‘ืŸ ื—ืฉื‘ื•ื ื•ืช ืื•ื ื˜ืขืจ ื˜ืขืจืžืึทืœ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืœืึธื•ื“ื™ื ื’, ื™ืขืจืœืขืš ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ืื•ืŸ ืžืึทื™ื ื˜ืึทื™ื ืึทื‘ื™ืœื™ื˜ื™ ืกื™ืžืคึผืึธืกื™ื•ื, 1991 ืคึผืจืึทืกื™ื“ื™ื ื’ (ืงืึทื˜. ื ื•ืž 91CH2966-0), 451-459.
[7] D.B. Barker, I. Sharif, A. Dasgupta ืื•ืŸ M. Pecht.
[8] ื“ ื‘ ื‘ืึทืจืงืขืจ ืื•ืŸ ืงื™ื™ ืกื™ื“ื”ืึทืจื˜ื”, ืœืืงืืœืข ืคึผื•ื•ื‘ ืื•ืŸ ืงืึธืžืคึผืึธื ืขื ื˜ ื‘ืึธื•ื™ื ื’ ืคื•ืŸ ืึท ืคึฟืึทืจื–ืึทืžืœื•ื ื’ ืื•ื ื˜ืขืจ ืึท ื‘ืขื ื“ื™ื ื’ ืžืึธืžืขื ื˜, ืืžืขืจื™ืงืื ืขืจ ื’ืขื–ืขืœืฉืืคื˜ ืคื•ืŸ ืžืขื˜ืฉืึทื ื™ืงืึทืœ ืขื ื“ื–ืฉืึทื ื™ืจื– (ืคึผืึทืคึผื™ืจ) (1993), 1-7.
[9] J. Bowles, ื ื™ื‘ืขืจื‘ืœื™ืง ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™-ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ืคึผืจืึธื•ืกื™ื“ื–ืฉืขืจื– ืคึฟืึทืจ ืžื™ืงืจืึธืขืœืขืงื˜ืจืึธื ื™ืง ื“ืขื•ื•ื™ืกืขืก, IEEE Transactions on Reliability 41 (1) (1992), 2-12.
[10] AO Cifuentes, ืขืกื˜ื™ืžืึทื˜ื™ื ื’ ื“ื™ ื“ื™ื ืึทืžื™ืฉ ื ืึทื˜ื•ืจ ืคื•ืŸ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืึธืจื“ื–, IEEE ื˜ืจืึทื ื–ืึทืงืฉืึทื ื– ืื•ื™ืฃ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ืคึผืึทืงืงืึทื’ื™ื ื’ ืื•ืŸ ืžืึทื ื•ืคืึทืงื˜ื•ืจื™ื ื’ ื˜ืขื›ื ืึธืœืึธื’ื™ืข ื˜ื™ื™ืœ ื‘: ืึทื•ื•ืึทื ืกื™ืจื˜ืข ืคึผืึทืงืงืึทื’ื™ื ื’ 17 (1) (1994), 69-75.
[11] L. Condra, C. Bosco, R. Deppe, L. Gullo, J. Treacy and C. Wilkinson. .
[12] M. J. Cushing, DE Mortin, T. J. Stadterman ืื•ืŸ A. Malhotra, ืคืึทืจื’ืœื™ื™ึทืš ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืง-ืจื™ืœื™ืึทื‘ื™ืœื™ื˜ื™ ืึทืกืกืขืกืกืžืขื ื˜ ืึทืคึผืจืึธื•ื˜ืฉื™ื–, IEEE ื˜ืจืึทื ื–ืึทืงืฉืึทื ื– ืื•ื™ืฃ ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ 42 (4) (1993), 542-546.
[13] R. Darveaux ืื•ืŸ A. Syed, ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ืคื•ืŸ ืฉื˜ื— ืžืขื ื’ืข ืกืึทื“ืขืจ ื“ื–ืฉื•ื™ื ืฅ ืื™ืŸ ื‘ืขื ื“ื™ื ื’, SMTA International Proceedings of the Technical Program (2000), 313-324.
[14] N. F. Enke, T. J. Kilinski, S. A. Schroeder ืื•ืŸ J. R. Lesniak, ืžืขื˜ืฉืึทื ื™ืงืึทืœ ื‘ื™ื›ื™ื™ื•ื•ื™ืขืจื– ืคื•ืŸ 60/40 ืฆื™ืŸ-ื‘ืœื™ื™ึท ืกืึทื“ืขืจ ืฉื•ื™ืก ื“ื–ืฉื•ื™ื ืฅ, ืคึผืจืึทืกื™ื“ื™ื ื’ - ืขืœืขืงื˜ืจืึธื ื™ืฉ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืงืึธื ืคืขืจืขื ืกืข 12 (1989), 264-272.
[15] ื˜ื™ ืขืกื˜ืขืก, ื•ื• ื•ื•ืึธื ื’, ื•ื• ืžืึทืงืžืึทืœืึทืŸ, ื˜ื™ ื‘ืขืจื’ืขืจ ืื•ืŸ ื™ ืกืึทื™ื˜ืึธ, ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืงืœืึทืก 2 ืคึผื™ืึทื˜ืข ืคื™ืœื™ืฅ ืื•ื™ืฃ ื’ืึทืœ ืคืœื™ื’ืœ ืœื™ื“ื™ื“ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ. ืึทืขืจืึธืกืคึผืึทืกืข ืงืึธื ืคึฟืขืจืขื ืฅ, ืคึผืจืึธืกืขืขื“ื™ื ื’ืก 6 (2003), 6-2517-6 C2525
[16] FIDES, FIDES ื’ื™ื™ื“ 2004 ืึทืจื•ื™ืกื’ืขื‘ืŸ ื ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ืžืขื˜ืึทื“ืึทืœืึทื“ื–ืฉื™ ืคึฟืึทืจ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืกื™ืกื˜ืขืžืขืŸ. FIDES ื’ืจื•ืคืข, 2004.
[17] B. Foucher, D. Das, J. Boullie ืื•ืŸ B. Meslet, ื ืจืขืฆืขื ื–ื™ืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ืคึผืจืึธื’ื ืึธื– ืžืขื˜ื”ืึธื“ืก ืคึฟืึทืจ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื“ืขื•ื•ื™ืกืขืก, ืžื™ืงืจืึธืขืœืขืงื˜ืจืึธื ื™ืงืก ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ 42 (8) (2002), 1155-1162.
[18] J. Garcia-Bonito, M. Brennan, S. Elliott, A. David and R. Pinnington, ื ืจืึธืžืึทืŸ ื”ื•ื™ืš-ื“ื™ืคึผืœื™ื™ืกืžืึทื ื˜ ืคึผื™ืขื–ืึธืขืœืขืงื˜ืจื™ืง ืึทืงื˜ื•ืึทื˜ืึธืจ ืคึฟืึทืจ ืึทืงื˜ื™ื•ื• ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืงืึธื ื˜ืจืึธืœ, ืกืžืึทืจื˜ ืžืึทื˜ืขืจื™ืึทืœืก ืื•ืŸ ืกื˜ืจืึทืงื˜ืฉืขืจื– 7 (1) (1998), 31 โ€“42.
[19] W. Gericke, G. Gregoris, I. Jenkins, J. Jones, D. Lavielle, P. Lecuyer, J. Lenic, C. Neugnot, M. Sarno, E. Torres and E. Vergnault, A methodology to ืึทืกืกืขืกืก ืื•ืŸ ืกืขืœืขืงื˜ื™ืจืŸ ืึท ืคึผืึทืกื™ืง ืคึผืจืึธื’ื ืึธื– ืคื•ืŸ ืคืึทืจืœืึธื–ืœืขืš ืคึผืจืึธื’ื ืึธื– ืคึฟืึทืจ ืขืขืข ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื™ืŸ ืคึผืœืึทืฅ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื–, ืื™ื™ืจืืคืขื™ืฉืขืจ ืกืคืขื™ืก ืึทื’ืขื ืกื™, (ืกืคึผืขืฆื™ืขืœืข ืื•ื™ืกื’ืื‘ืข) ESA SP (507) (2002), 73-80.
[20] L. Gullo, ืื™ืŸ-ื“ื™ื ืกื˜ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืึทืกืขืกืžืึทื ื˜ ืื•ืŸ ืฉืคึผื™ืฅ-ืึทืจืึธืคึผ ืฆื•ื’ืึทื ื’ ื’ื™ื˜ ืึธืœื˜ืขืจื ืึทื˜ื™ื•ื• ืคึผืจืึทื•ื•ื™ื–ืฉืึทื ื– ืคื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™. ื™ืขืจืœืขืš ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ืื•ืŸ ืžืึทื™ื ื˜ืึทื™ื ืึทื‘ื™ืœื™ื˜ื™, ืกื™ืžืคึผืึธืกื™ื•ื ืคึผืจืึทืกื™ื“ื™ื ื’ (ืงืึทื˜. ื ื•ืž 99CH36283), 1999, 365-377.
[21] Q. Guo ืื•ืŸ M. Zhao, ืžื™ื“ืงื™ื™ึทื˜ ืคื•ืŸ ืกืžื˜ ืกืึทื“ืขืจ ืฉืœืึธืก ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ื˜ืึธืจืกื™ืึธื ืึทืœ ืงืขืจื•ื•ืึทื˜ืฉืขืจ ืื•ืŸ ืฉืคึผืึธืŸ ืึธืจื˜ ืึทืคึผื˜ืึทืžืึทื–ื™ื™ืฉืึทืŸ, ื™ื ื˜ืขืจื ืึทื˜ื™ืึธื ืึทืœ ื“ื–ืฉืึธื•ืจื ืึทืœ ืคื•ืŸ ืึทื•ื•ืึทื ืกื™ืจื˜ืข ืžืึทื ื•ืคืึทืงื˜ื•ืจื™ื ื’ ื˜ืขื›ื ืึธืœืึธื’ื™ืข 26 (7-8) (2005), 887-895.
[22] ืฉ.-ื“ื–ืฉ. ื”ืึทื ืื•ืŸ ืฉ.-ื‘. Lee, ืขืงืกืคึผืขืจื™ืžืขื ื˜ืึทืœ ืœืขืจื ืขืŸ ืคึฟืึทืจ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงื™ื“ื–ืฉื™ื ื’ ืื•ื ื˜ืขืจ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ, ืขืงืกืคึผืขืจื™ืžืขื ื˜ืึทืœ ืžืขื˜ืฉืึทื ื™ืงืก 36 (4) (1996), 339-344.
[23] D. Hart, ืžื™ื“ืงื™ื™ึทื˜ ื˜ืขืกื˜ื™ื ื’ ืคื•ืŸ ืึท ืงืึธืžืคึผืึธื ืขื ื˜ ืคื™ืจืŸ ืื™ืŸ ืึท ืคึผืœื™ื™ื˜ืึทื“ ื“ื•ืจืš ืœืึธืš, IEEE ืคึผืจืึธืกืขืขื“ื™ื ื’ืก ืคื•ืŸ ื“ื™ ื ืึทืฉืึทื ืึทืœ ืึทืขืจืึธืกืคึผืึทืกืข ืื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืง ืงืึธื ืคืขืจืขื ืกืข (1988), 1154-1158.
[24] ื˜ื™ ื”ื™ืŸ, K.S. Beh ืื•ืŸ K. Seetharamu, ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคื•ืŸ ืึท ื“ื™ื ืึทืžื™ืฉ ืคึผืจื•ื‘ื™ืจืŸ ื‘ืจืขื˜ ืคึฟืึทืจ ืคืงื‘ื’ืึท ืกืึทื“ืขืจ ืฉืœืึธืก ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืึทืกืขืกืžืึทื ื˜ ืื™ืŸ ืงืœืึทืคึผ & ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ. ืคืึทืจื”ืึทื ื“ืœื•ื ื’ ืคื•ืŸ ื“ื™ 5 ืขืœืขืงื˜ืจืึธื ื™ืง ืคึผืึทืงืงืึทื’ื™ื ื’ ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืงืึธื ืคึฟืขืจืขื ืฅ (EPTC 2003), 2003, 256-262.58
[25] V. Ho, A. Veprik ืื•ืŸ V. Babitsky, Ruggedizing ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืึธืจื“ื– ื ื™ืฆืŸ ืึท ื•ื•ื™ื™ื“ื‘ืึทื ื“ ื“ื™ื ืึทืžื™ืฉ ืึทื‘ื–ืึธืจื‘ืขืจ, Shock and Vibration 10 (3) (2003), 195-210.
[26] IEEE, IEEE ืคื™ืจืขืจ ืคึฟืึทืจ ืกืึทืœืขืงื˜ื™ื ื’ ืื•ืŸ ื ื™ืฆืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคึฟืึธืจื•ื™ืกื–ืึธื’ืŸ ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ IEEE 1413, 2003, v+90 C.
[27] T. Jackson, S. Harbater, J. Sketoe and T. Kinney, ืื ื˜ื•ื•ื™ืงืœื•ื ื’ ืคื•ืŸ ื ืึธืจืžืึทืœ ืคึฟืึธืจืžืึทื˜ื™ืจื•ื ื’ืขืŸ ืคึฟืึทืจ ืึธืจื˜ ืกื™ืกื˜ืขืžืขืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืžืึธื“ืขืœืก, ื™ืขืจืœืขืš ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ืื•ืŸ ืžืึทื™ื ื˜ืึทื™ื ืึทื‘ื™ืœื™ื˜ื™ ืกื™ืžืคึผืึธืกื™ื•ื, 2003 ืคึผืจืึธืกืขืขื“ื™ื ื’ืก (ืงืึทื˜. ื ื•ืž 03CH37415), 269-276.
[28] F. Jensen, ืขืœืขืงื˜ืจืึธื ื™ืฉ ืงืึธืžืคึผืึธื ืขื ื˜ ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™, Wiley, 1995.
[29] JH Ong ืื•ืŸ G. Lim, ื ืคึผืฉื•ื˜ ื˜ืขื›ื ื™ืง ืคึฟืึทืจ ืžืึทืงืกืึทืžื™ื™ื–ื™ื ื’ ื“ื™ ืคื•ื ื“ืึทืžืขื ื˜ืึทืœ ืึธืคื˜ืงื™ื™ึทื˜ ืคื•ืŸ ืกื˜ืจืึทืงื˜ืฉืขืจื–, ASME ื–ืฉื•ืจื ืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืงืึทื’ื™ื ื’ 122 (2000), 341-349.
[30] E. Jih ืื•ืŸ W. Jung, ื•ื•ื™ื‘ืจืึทื˜ื™ืึธื ืึทืœ ืžื™ื“ืงื™ื™ึทื˜ ืคื•ืŸ ื™ื™ื‘ืขืจืคืœืึทืš ื‘ืืจื’ ืกืึทื“ืขืจ ื“ื–ืฉื•ื™ื ืฅ. Ithermfl98. ื–ืขืงืกื˜ืขืจ ื™ื ื˜ืขืจืกืึธืกื™ืขื˜ื™ ืงืึธื ืคึฟืขืจืขื ืฅ ืื•ื™ืฃ ื˜ืขืจืžืึทืœ ืื•ืŸ ื˜ืขืจืžืึธืžืขื˜ืฉืึทื ื™ืงืึทืœ ื“ืขืจืฉื™ื™ื ื•ื ื’ืขืŸ ืื™ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืกื™ืกื˜ืขืžืขืŸ (ืงืึทื˜. ื ื•ืž. 98CH36208), 1998, 246-250.
[31] B. Johnson ืื•ืŸ L. Gullo, ื™ืžืคึผืจืึธื•ื•ืขืžืขื ืฅ ืื™ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืึทืกืขืกืžืึทื ื˜ ืื•ืŸ ืคึผืจืึธื’ื ืึธื– ืžืขื˜ืึทื“ืึทืœืึทื“ื–ืฉื™. ื™ืขืจืœืขืš ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ืื•ืŸ ืžืึทื™ื ื˜ืึทื™ื ืึทื‘ื™ืœื™ื˜ื™ ืกื™ืžืคึผืึธืกื™ื•ื. 2000 ืคืึทืจื”ืึทื ื“ืœื•ื ื’. ืื™ื ื˜ืขืจื ืึทืฆื™ืึธื ืึทืœืข ืกื™ืžืคึผืึธืกื™ื•ื ืื•ื™ืฃ ืคึผืจืึธื“ื•ืงื˜ ืงื•ื•ืึทืœื™ื˜ื™ ืื•ืŸ ืึธืจื ื˜ืœืขื›ืงื™ื™ึทื˜ (ืงืึทื˜. ื ื•ืž 00ื˜ืฉ37055), 2000, -: 181-187.
[32] M. Khan, D. Lagoudas, J. Mayes ืื•ืŸ B. Henderson, Pseudoelastic SMA ืคืจื™ืœื™ื ื’ ืขืœืขืžืขื ื˜ืŸ ืคึฟืึทืจ ืคึผืึทืกื™ื•ื• ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืืคื’ืขื–ื•ื ื“ืขืจื˜ืงื™ื™ื˜: ื˜ื™ื™ืœ ืื™ืš ืžืึธื“ืขืœื™ื ื’, ื–ืฉื•ืจื ืึทืœ ืคื•ืŸ ื™ื ื˜ืขืœื™ื’ืขื ื˜ ืžืึทื˜ืขืจื™ืึทืœ ืกื™ืกื˜ืขืžืขืŸ ืื•ืŸ ืกื˜ืจืึทืงื˜ืฉืขืจื– 15 (6) (2004), 415-441 .
[33] R. Kotlowitz, ืงืึธืžืคึผืึทืจืึทื˜ื™ื•ื•ืข ื”ืขืกืงืขื ืคื•ืŸ ืจืขืคึผืจื™ื–ืขื ืึทื˜ื™ื•ื• ืคื™ืจืŸ ื“ื™ื–ื™ื™ื ื– ืคึฟืึทืจ ื™ื™ื‘ืขืจืคืœืึทืš-ืžืึธื•ื ื˜ืขื“ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, IEEE ื˜ืจืึทื ื–ืึทืงืฉืึทื ื– ืื•ื™ืฃ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ื›ื™ื™ื‘ืจื™ื“, ืื•ืŸ ืžืึทื ื•ืคืึทืงื˜ื•ืจื™ื ื’ ื˜ืขื›ื ืึธืœืึธื’ื™ืข 12 (4) (1989), 431-448.
[34] R. Kotlowitz, ืงืึธืžืคึผืœื™ืึทื ืกืข ืžืขื˜ืจื™ืงืก ืคึฟืึทืจ ื™ื™ื‘ืขืจืคืœืึทืš ืึธื ืงืœืึทืคึผืŸ ืงืึธืžืคึผืึธื ืขื ื˜ ืคื™ืจืŸ ืคึผืœืึทืŸ. 1990 ืคืึทืจื”ืึทื ื“ืœื•ื ื’. 40 ืขืœืขืงื˜ืจืึธื ื™ืฉ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ืŸ ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืงืึธื ืคึฟืขืจืขื ืฅ (ืงืึทื˜. ื ื•ืž 90ื˜ืฉ2893-6), 1990, 1054-1063.
[35] R. Kotlowitz ืื•ืŸ L. Taylor, ืงืึธืžืคึผืœื™ืึทื ืกืข ืžืขื˜ืจื™ืงืก ืคึฟืึทืจ ื“ื™ ื’ืขื ื™ื™ื’ื˜ ื’ืึทืœ-ืคืœื™ื’ืœ, ืฉืคึผื™ืŸ ื“ื–ืฉ-ื‘ืขื ื“, ืื•ืŸ ืฉืคึผื™ืŸ ื’ืึทืœ-ืคืœื™ื’ืœ ืคื™ืจืŸ ื“ื™ื–ื™ื™ื ื– ืคึฟืึทืจ ื™ื™ื‘ืขืจืคืœืึทืš ื‘ืืจื’ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ. 1991 ืคืึทืจื”ืึทื ื“ืœื•ื ื’. 41 ืขืœืขืงื˜ืจืึธื ื™ืฉ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ืŸ ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืงืึธื ืคึฟืขืจืขื ืฅ (ืงืึทื˜. ื ื•ืž 91CH2989-2), 1991, 299-312.
[36] J. Lau, L. Powers-Maloney, J. Baker, D. Rice ืื•ืŸ B. Shaw, ืกืึทื“ืขืจ ืฉืœืึธืก ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืคื™ื™ึทืŸ ืคึผืขืš ื™ื™ื‘ืขืจืคืœืึทืš ืึธื ืงืœืึทืคึผืŸ ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืึทืกืขืžื‘ืœื™ื–, IEEE ื˜ืจืึทื ื–ืึทืงืฉืึทื ื– ืื•ื™ืฃ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ื›ื™ื™ื‘ืจื™ื“, ืื•ืŸ ืžืึทื ื•ืคืึทืงื˜ื•ืจื™ื ื’ ื˜ืขื›ื ืึธืœืึธื’ื™ืข 13 (3) (1990), 534-544.
[37] R. Li, ื ืžืขื˜ืึทื“ืึทืœืึทื“ื–ืฉื™ ืคึฟืึทืจ ืžื™ื“ืงื™ื™ึทื˜ ืคึผืจืึธื’ื ืึธื– ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ื ื˜ืขืจ ื˜ืจืึทืค - ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืžืึทืกืข, ASME ื–ืฉื•ืจื ืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืงืึทื’ื™ื ื’ 123 (4) (2001), 394-400.
[38] R. Li ืื•ืŸ L. Poglitsch, ืžื™ื“ืงื™ื™ึทื˜ ืคื•ืŸ ืคึผืœืึทืกื˜ื™ืง ืคึผื™ืœืงืข ื’ืจื™ื“ ืžืขื ื’ืข ืื•ืŸ ืคึผืœืึทืกื˜ื™ืง ืงื•ื•ืึทื“ ืคืœืึทืš ืคึผืึทืงืึทื“ื–ืฉืึทื– ืื•ื ื˜ืขืจ ืึธื˜ืึทืžืึธื•ื˜ื™ื•ื• ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ. SMTA International, ืคึผืจืึธืกืขืขื“ื™ื ื’ืก ืคื•ืŸ ื“ื™ ื˜ืขื›ื ื™ืฉ ืคึผืจืึธื’ืจืึทื (2001), 324-329.
[39] R. Li ืื•ืŸ L. Poglitsch, ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืžื™ื“ืงื™ื™ึทื˜, ื“ื•ืจื›ืคืึทืœ ืžืขืงืึทื ื™ื–ืึทื ืื•ืŸ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืคึผืœืึทืกื˜ื™ืง ืคึผื™ืœืงืข ื’ืจื™ื“ ืžืขื ื’ืข ืื•ืŸ ืคึผืœืึทืกื˜ื™ืง ืงื•ื•ืึทื“ ืคืœืึทืš ืคึผืึทืงืึทื“ื–ืฉืึทื–.
[40] ืคืึทืจื”ืึทื ื“ืœื•ื ื’ 2001 ื”ื“ ืื™ื ื˜ืขืจื ืืฆื™ืื ืืœืข ืงืึธื ืคืขืจืขื ืกืข ืื•ื™ืฃ ื”ื•ื™ืš-ื’ืขื“ื™ื›ื˜ืงื™ื™ึทื˜ ื™ื ื˜ืขืจืงืึทื ืขืงื˜ ืื•ืŸ ืกื™ืกื˜ืขืžืขืŸ ืคึผืึทืงืงืึทื’ื™ื ื’ (SPIE Vol. 4428), 2001, 223-228.
[41] S. Liguore ืื•ืŸ D. Followell, ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืžื™ื“ืงื™ื™ึทื˜ ืคื•ืŸ ื™ื™ื‘ืขืจืคืœืึทืš ื‘ืืจื’ ื˜ืขื›ื ืึธืœืึธื’ื™ืข (ืกืžื˜) ืกืึทื“ืขืจ ื“ื–ืฉื•ื™ื ืฅ. ื™ืขืจืœืขืš ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ืื•ืŸ ืžืึทื™ื ื˜ืึทื™ื ืึทื‘ื™ืœื™ื˜ื™ ืกื™ืžืคึผืึธืกื™ื•ื 1995 ืคึผืจืึทืกื™ื“ื™ื ื’ (ืงืึทื˜. ื ื•ืž. 95CH35743), 1995, -:18-26.
[42] G. Lim, J. Ong ืื•ืŸ J. Penny, ื•ื•ื™ืจืงื•ื ื’ ืคื•ืŸ ื‘ืจืขื’ ืื•ืŸ ื™ื ืขืจืœืขืš ืคื•ื ื˜ ืฉื˜ื™ืฆืŸ ืคื•ืŸ ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ ืื•ื ื˜ืขืจ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ, ASME ื–ืฉื•ืจื ืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืงืึทื’ื™ื ื’ 121 (2) (1999), 122-126.
[43] ืค' ืœื•ืชืจื, ืžื™ืœ-ื”ื“ื‘ืง-217: ื•ื•ืืก ืื™ื– ืฉืœืขื›ื˜ ื“ืขืจืžื™ื˜? IEEE ื˜ืจืึทื ื–ืึทืงืฉืึทื ื– ืื•ื™ืฃ ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ 39 (5) (1990), 518.
[44] J. Marouze ืื•ืŸ L. Cheng, ื ืคื™ื–ืึทื‘ื™ืœืึทื˜ื™ ืœืขืจื ืขืŸ ืคื•ืŸ ืึทืงื˜ื™ื•ื• ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืืคื’ืขื–ื•ื ื“ืขืจื˜ืงื™ื™ื˜ ื ื™ืฆืŸ ื“ื•ื ืขืจ ืึทืงื˜ื•ื™ื™ื˜ืขืจื–, ืกืžืึทืจื˜ ืžืึทื˜ืขืจื™ืึทืœืก ืื•ืŸ ืกื˜ืจืึทืงื˜ืฉืขืจื– 11 (6) (2002), 854-862.
[45] MIL-HDBK-217F. ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ืคืึธืจื•ื™ืกื–ืึธื’ืŸ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜. ื“ืขืคึผืึทืจื˜ืžืขื ื˜ ืคื•ืŸ ื“ื™ืคืขื ืก, F ืึทื“ื™ืฉืึทืŸ, 1995.
[46] S. R. Moheimani, ื ื™ื‘ืขืจื‘ืœื™ืง ืคื•ืŸ ืœืขืฆื˜ืข ื™ื ืึธื•ื•ื•ื™ื™ืฉืึทื ื– ืื™ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ื“ืึทืžืคึผื™ื ื’ ืื•ืŸ ืงืึธื ื˜ืจืึธืœ ื ื™ืฆืŸ ืฉืึทื ื˜ื™ื“ ืคึผื™ืขื–ืึธืขืœืขืงื˜ืจื™ืง ื˜ืจืึทื ืกื“ื•ืกืขืจ, IEEE ื˜ืจืึทื ื–ืึทืงืฉืึทื ื– ืื•ื™ืฃ ืงืึธื ื˜ืจืึธืœ ืกื™ืกื˜ืขืžืขืŸ ื˜ืขื›ื ืึธืœืึธื’ื™ืข 11 (4) (2003), 482-494.
[47] S. Morris ืื•ืŸ J. Reilly, Mil-hdbk-217-ืึท ื‘ืึทืœื™ื‘ืกื˜ืข ืฆื™ืœ. ื™ืขืจืœืขืš ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ืื•ืŸ ืžืึทื™ื ื˜ืึทื™ื ืึทื‘ื™ืœื™ื˜ื™ ืกื™ืžืคึผืึธืกื™ื•ื. 1993 ืคึผืจืึธืกืขืขื“ื™ื ื’ืก (ืงืึทื˜. ื ื•ืž 93CH3257-3), (1993), 503-509.
P. O'Connor, ืคึผืจืึทืงื˜ื™ืฉ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ื™ื ื–ืฉืขื ื™ืขืจื™ืข. ื•ื•ื™ืœื™, 1997.
[48] โ€‹โ€‹M. Osterman ืื•ืŸ T. Stadterman, ื“ื•ืจื›ืคืึทืœ ืึทืกืกืขืกืกืžืขื ื˜ ื•ื•ื™ื™ื›ื•ื•ืืจื’ ืคึฟืึทืจ ืงืจื™ื™ึทื– ืงืึธืจื˜ ืึทืกืขืžื‘ืœื™ื–. ื™ืขืจืœืขืš ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ืื•ืŸ ืžืึทื™ื ื˜ืึทื™ื ืึทื‘ื™ืœื™ื˜ื™. ืกื™ืžืคึผืึธืกื™ื•ื. 1999 ืคึผืจืึธืกืขืขื“ื™ื ื’ืก (ืงืึทื˜. ื ื•ืž 99CH36283), 1999, 269-276.
[49] M. Pecht ืื•ืŸ A. Dasgupta, ืคื™ื–ื™ืง ืคื•ืŸ ื“ื•ืจื›ืคืึทืœ: ืึทืŸ ืฆื•ื’ืึทื ื’ ืฆื• ืคืึทืจืœืึธื–ืœืขืš ืคึผืจืึธื“ื•ืงื˜ ืึทื ื˜ื•ื•ื™ืงืœื•ื ื’, IEEE 1995 ืื™ื ื˜ืขืจื ืึทืฆื™ืึธื ืึทืœืขืจ ื™ื ื˜ืขื’ืจืึทื˜ืขื“ ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ ื•ื•ืึธืจืงืฉืึธืคึผ ืœืขืฆื˜ ื‘ืืจื™ื›ื˜ (ืงืึทื˜. ื ื•ืž 95TH8086), (1999), 1-4.
[50] ืž. ืคึผืขื›ื˜ ืื•ืŸ ื•ื•.-ืกื™. Kang, ื ืงืจื™ื˜ื™ืง ืคื•ืŸ ืžื™ืœ-ื”ื“ื‘ืง-217e ืคึผืจืึทื˜ืขืงืฉืึทืŸ ืžืขื˜ื”ืึธื“ืก, IEEE ื˜ืจืึทื ื–ืึทืงืฉืึทื ื– ืื•ื™ืฃ ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ 37 (5) (1988), 453-457.
[51] M.G. Pecht ืื•ืŸ F. R. Nash, ืคึผืจื™ื“ื™ืงื˜ื™ื ื’ ื“ื™ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜, ืคึผืจืึทืกื™ื“ื™ื ื’ ืคื•ืŸ ื“ื™ IEEE 82 (7) (1994), 992-1004.
[52] J. Pitarresi, D. Caletka, R. Caldwell ืื•ืŸ D. Smith, ื“ื™ ืกืžื™ืจื“ ืคืึทืจืžืึธื’ ื˜ืขื›ื ื™ืง ืคึฟืึทืจ ื“ื™ ืคืข ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ืงืึทืจื“ืก, ASME ื–ืฉื•ืจื ืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืงืึทื’ื™ื ื’ 113 (1991), 250-257.
[53] J. Pitarresi, P. Geng, W. Beltman ืื•ืŸ Y. Ling, ื“ื™ื ืึทืžื™ืฉ ืžืึธื“ืขืœื™ื ื’ ืื•ืŸ ืžืขื–ืฉืขืจืžืึทื ื˜ ืคื•ืŸ ืคึผืขืจื–ืขื ืœืขืš ืงืึธืžืคึผื™ื•ื˜ืขืจ ืžืึธื˜ื”ืขืจื‘ืึธืึทืจื“ืก. 52nd ืขืœืขืงื˜ืจืึธื ื™ืง ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ืŸ ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืงืึธื ืคืขืจืขื ืกืข 2002., (ืงืึทื˜. ื ื•ืž 02CH37345)(-), 2002, 597-603.
[54] ื™ ืคึผื™ื˜ืึทืจืจืขืกื™ ืื•ืŸ ื™ื™ ืคึผืจื™ืžืึทื•ื•ืขืจืึท, ืคืึทืจื’ืœื™ื™ึทืš ืคื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืžืึธื“ืขืœื™ื ื’ ื˜ืขืงื ื™ืงืก ืคึฟืึทืจ ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ืงืึทืจื“ืก, ASME ื“ื–ืฉืึธื•ืจื ืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืงืึทื’ื™ื ื’ 114 (1991), 378-383.
[55] J. Pitarresi, B. Roggeman, S. Chaparala ืื•ืŸ P. Geng, ืžืขื˜ืฉืึทื ื™ืงืึทืœ ืงืœืึทืคึผ ื˜ืขืกื˜ื™ื ื’ ืื•ืŸ ืžืึธื“ืขืœื™ื ื’ ืคื•ืŸ ืคึผื™ืกื™ ืžืึธื˜ื”ืขืจื‘ืึธืึทืจื“ืก. 2004 ืคึผืจืึทืกื™ื“ื™ื ื’, 54 ืขืœืขืงื˜ืจืึธื ื™ืฉ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืื•ืŸ ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืงืึธื ืคึฟืขืจืขื ืฅ (IEEE ืงืึทื˜. ื ื•ืž 04CH37546) 1 (2004), 1047-1054.
[56] BI Sandor, ืกืึทื“ืขืจ ืžืึทืงืึทื ื™ืงืก - ืึท ืฉื˜ืึทื˜ ืคื•ืŸ ื“ื™ ืงื•ื ืกื˜ ืึทืกืกืขืกืกืžืขื ื˜. ื“ื™ ืžื™ื ืขืจืึทืœืก, ืžืขื˜ืึทืœืก โ€‹โ€‹ืื•ืŸ ืžืึทื˜ืขืจื™ืึทืœืก ื’ืขื–ืขืœืฉืืคื˜, 1991.
[57] S. Shetty, V. Lehtinen, A. Dasgupta, V., Halkola and T. Reinikainen, ืžื™ื“ืงื™ื™ึทื˜ ืคื•ืŸ ืฉืคึผืึธืŸ ื•ื•ืึธื’ ืคึผืขืงืœ ื™ื ื˜ืขืจืงืึทื ืขืงืฅ ืจืขื›ื˜ ืฆื• ืกื™ื™ืงืœื™ืง ื‘ืขื ื“ื™ื ื’, ASME ื–ืฉื•ืจื ืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืงืึทื’ื™ื ื’ 123 (3) (2001), 302- 308.
[58] S. Shetty ืื•ืŸ T. Reinikainen, ื“ืจื™ื™- ืื•ืŸ ืคื™ืจ-ืคื•ื ื˜ ื‘ื™ื™ื’ืŸ ื˜ืขืกื˜ื™ื ื’ ืคึฟืึทืจ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืึทื“ื–ืฉืึทื–, ASME ื–ืฉื•ืจื ืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืงืึทื’ื™ื ื’ 125 (4) (2003), 556-561.
[59] K. Sidharth ืื•ืŸ D. B. Barker, ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ื™ื ื“ื•ืกื˜ ืžื™ื“ืงื™ื™ึทื˜ ืœืขื‘ืŸ ืึธืคึผืฉืึทืฆื•ื ื’ ืคื•ืŸ ื•ื•ื™ื ืงืœ ืœื™ื“ื– ืคื•ืŸ ืคึผืขืจื™ืคืขืจืึทืœ ืœื™ื“ื™ื“ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ASME ื“ื–ืฉืึธื•ืจื ืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืงืึทื’ื™ื ื’ 118 (4) (1996), 244-249.
[60] J. Spanos, Z. Rahman ืื•ืŸ G. Blackwood, ืกืึธืคื˜ 6-ืึทืงืก ืึทืงื˜ื™ื•ื• ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ื™ื–ืึธืœืึทื˜ืึธืจ, ืคึผืจืึธืกืขืขื“ื™ื ื’ืก ืคื•ืŸ ื“ื™ ืืžืขืจื™ืงืื ืขืจ ืงืึธื ื˜ืจืึธืœ ืงืึธื ืคืขืจืขื ืกืข 1 (1995), 412-416.
[61] ื“. ืฉื˜ื™ื™ื ื‘ืขืจื’, ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืึทื ืึทืœื™ืกื™ืก ืคึฟืึทืจ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜, ื™ื•ื—ื ืŸ ื•ื•ื™ืœื™ & ื–ื™ืŸ, 1991.
[62] ื“. ืฉื˜ื™ื™ื ื‘ืขืจื’, ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืึทื ืึทืœื™ืกื™ืก ืคึฟืึทืจ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜, ื™ื•ื—ื ืŸ ื•ื•ื™ืœื™ & ื–ื™ืŸ, 2000.
[63] E. Suhir, ืงืขืŸ ื’ืขื”ืึธืจื›ื™ืง ืคื•ื ื“ืจื•ื™ืกื ื“ื™ืง ืœื™ื“ื– ืจืขื“ื•ืฆื™ืจืŸ ื“ื™ ืฉื˜ืึทืจืงื™ื™ื˜ ืคื•ืŸ ืึท ื™ื™ื‘ืขืจืคืœืึทืš-ืžืึธื•ื ื˜ืขื“ ืžื™ื˜ืœ? 1988 ืคืึทืจื”ืึทื ื“ืœื•ื ื’ ืคื•ืŸ ื“ื™ 38 ืขืœืขืงื˜ืจืึธื ื™ืง ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืงืึธื ืคึฟืขืจืขื ืฅ (88CH2600-5), 1988, 1-6.
[64] E. Suhir, ื ื™ื˜-ืœื™ื ืขืึทืจ ื“ื™ื ืึทืžื™ืฉ ืขื ื˜ืคืขืจ ืคื•ืŸ ืึท ื’ืขื“ืจื•ืงื˜ ืงืจื™ื™ึทื– ื‘ืจืขื˜ ืฆื• ืงืœืึทืคึผ ืœืึธื•ื“ื– ื’ืขื•ื•ืขื ื“ื˜ ืฆื• ื–ื™ื™ืŸ ืฉื˜ื™ืฆืŸ ืงืึทื ื˜ื•ืจ, ASME ื“ื–ืฉืึธื•ืจื ืึทืœ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืึทืงืงืึทื’ื™ื ื’ 114 (4) (1992), 368-377.
[65] E. Suhir, ืขื ื˜ืคืขืจ ืคื•ืŸ ืึท ืคืœืขืงืกืึทื‘ืึทืœ ืงืจื™ื™ึทื– ื’ืขื“ืจื•ืงื˜ ื‘ืจืขื˜ ืฆื• ืคึผืขืจื™ืึธื“ื™ืฉ ืงืœืึทืคึผ ืœืึธื•ื“ื– ื’ืขื•ื•ืขื ื“ื˜ ืฆื• ื–ื™ื™ืŸ ืฉื˜ื™ืฆืŸ ืงืึทื ื˜ื•ืจ, ืืžืขืจื™ืงืื ืขืจ ื’ืขื–ืขืœืฉืืคื˜ ืคื•ืŸ ืžืขื˜ืฉืึทื ื™ืงืึทืœ ืขื ื“ื–ืฉืึทื ื™ืจื– (ืคึผืึทืคึผื™ืจ) 59 (2) (1992), 1-7.
[66] A. Veprik, ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืฉื•ืฅ ืคื•ืŸ ืงืจื™ื˜ื™ืฉ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ื•ื™ืกืจื™ื›ื˜ ืื™ืŸ ื”ืึทืจื‘ ื™ื ื•ื•ื™ื™ืจืึทื ืžืขื ืึทืœ ื˜ื ืึธื™ื, ื–ืฉื•ืจื ืึทืœ ืคื•ืŸ ืกืึธื•ื ื“ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ 259 (1) (2003), 161-175.
[67] ื”. โ€‹โ€‹ื•ื•ืึทื ื’, ืขื ื“ื–ืฉืึทื• ืื•ืŸ ืง. ื’ื•ืึธ, ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ ืžื™ื“ืงื™ื™ึทื˜ ื™ืงืกืคึผืขืจืึทืžืึทื ืฅ ืคื•ืŸ ืกืžื˜ ืกืึทื“ืขืจ ืฉืœืึธืก, ืžื™ืงืจืึธืขืœืขืงื˜ืจืึธื ื™ืงืก ืจืขืœื™ืึทื‘ื™ืœื™ื˜ื™ 44 (7) (2004), 1143-1156.
[68] ZW Xu, K. Chan ืื•ืŸ W. Liao, ืึทืŸ ืขืžืคึผื™ืจื™ืงืึทืœ ืื•ืคึฟืŸ ืคึฟืึทืจ ืคึผืึทืจื˜ืึทืงืึทืœ ื“ืึทืžืคึผื™ื ื’ ืคึผืœืึทืŸ, ืงืœืึทืคึผ ืื•ืŸ ื•ื•ื™ื™ื‘ืจื™ื™ืฉืึทืŸ 11 (5-6) (2004), 647-664.
[69] S. Yamada, ื ื‘ืจืึธืš ืžืึทืงืึทื ื™ืงืก ืฆื•ื’ืึทื ื’ ืฆื• ืกืึทื“ืขืจื“ ืฉืœืึธืก ืงืจืึทืงื™ื ื’, IEEE ื˜ืจืึทื ื–ืึทืงืฉืึทื ื– ืื•ื™ืฃ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ื›ื™ื™ื‘ืจืึทื“ื–, ืื•ืŸ ืžืึทื ื•ืคืึทืงื˜ื•ืจื™ื ื’ ื˜ืขื›ื ืึธืœืึธื’ื™ืข 12 (1) (1989), 99-104.
[70] W. Zhao ืื•ืŸ E. Elsayed, ืžืึธื“ืขืœื™ื ื’ ืึทืงืกืขืœืขืจื™ื™ื˜ื™ื“ ืœืขื‘ืŸ ื˜ืขืกื˜ื™ื ื’ ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ื“ื•ืจื›ืฉื ื™ื˜ืœืขืš ืจื™ื–ื™ื“ื–ืฉื•ืึทืœ ืœืขื‘ืŸ, ื™ื ื˜ืขืจื ืึทื˜ื™ืึธื ืึทืœ ื“ื–ืฉืึธื•ืจื ืึทืœ ืคื•ืŸ ืกื™ืกื˜ืขืžืขืŸ ื•ื•ื™ืกื ืฉืึทืคึฟื˜ 36 (11) (1995), 689-696.
[71] W. Zhao, A. Mettas, X. Zhao, P. Vassiliou ืื•ืŸ E. A. Elsayed, ื’ืขื ืขืจืึทืœื™ื–ืขื“ ืฉืจื™ื˜ ื“ืจื•ืง ืึทืงืกืขืœืขืจื™ื™ื˜ื™ื“ ืœืขื‘ืŸ ืžืึธื“ืขืœ. ืคืึทืจื”ืึทื ื“ืœื•ื ื’ ืคื•ืŸ ื“ื™ 2004 ืื™ื ื˜ืขืจื ืึทืฆื™ืึธื ืึทืœืขืจ ืงืึธื ืคืขืจืขื ืกืข ืื•ื™ืฃ ื“ื™ ื’ืขืฉืขืคื˜ ืคื•ืŸ ืขืœืขืงื˜ืจืึธื ื™ืฉ ืคึผืจืึธื“ื•ืงื˜ ืจื™ืœื™ื™ืึทื‘ื™ืœืึทื˜ื™ ืื•ืŸ ืึทื›ืจื™ื™ึทืขืก, 2004, 19-25.

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