Mawa tikhala tikutumiza seva yathu ku stratosphere. Panthawi yowuluka, buluniyo idzapereka mwayi wopezeka pa intaneti, kujambula ndi kutumiza deta ya kanema ndi telemetry ku Earth. Talemba kangapo kuti tikhala tikugawana zambiri zaukadaulo wa "Space Data Center" pulojekiti yathu (yomwe poyamba inkadziwika kuti ""). Tidalonjeza - tikusunga! Pansi pa chodulidwacho pali zida ndi ma code ochepa.
Seva yapaintaneti
Ngakhale m'mbuyomu "Server in the Clouds" pulojekiti, titakwera mu baluni yotentha yotentha ndi gulu la anthu awiri, kutenga seva yodzaza ndi batri, tinganene kuti, sizingatheke. Ndipo tsopano tikukamba za baluni yaying'ono ya stratospheric yomwe idzakwera makilomita 30 m'malo mwa 1. Choncho, tinasankha Raspberry Pi yemweyo monga seva ya intaneti. Kompyuta yaying'ono iyi ipanga tsamba la HTML ndikuliwonetsa pagawo lina.
Kulumikiza kwa satellite
Kuphatikiza pa Raspberry Pi, ma modemu ochokera ku Iridium ndi Globalstar satellite communication network adzakhala nawo. Monga mukukumbukira, tidakonza zoonjezera modemu kuchokera ku netiweki yapanyumba ya Gonets kupita kumagulu awo, koma tinalibe nthawi yoti tiyilandire mu nthawi yake, ndiye titumiza paulendo wotsatira. Seva yapaintaneti ilandila mauthenga anu kudzera pa ma modemu a satana, omwe angatumizidwe Mauthengawa adzatumizidwa ku Raspberry Pi, yomwe idzawaika pamzere ndi kuwawonetsa pa tsamba la HTML.
Chofunika: Malire amtali a mauthenga mu Chirasha ndi zilembo 58 (kuphatikiza mipata). Ngati uthengawo ndi wautali, umachepetsedwa panthawi yotumizira. Zilembo zonse zapadera zidzachotsedwanso palemba, monga: /+$%&;''""<>n ndi zina zotero.
Popeza Raspberry Pi ili ndi doko limodzi lokha la UART, tidzalumikiza ma modemu a satana kudzera pakatikati, zomwe zidzasonkhanitsa deta kuchokera ku modem ndikuzitumiza ku Raspberry Pi.
Radio modem
Seva yapaintaneti simangowonetsa mauthenga onse olandilidwa kuchokera kwa inu pa zenera komanso kuwatumiza ku Earth kudzera pa modemu ya wailesi ya LoRa. Umu ndi momwe tikufuna kuyesa lingaliro lakugawa intaneti kuchokera ku stratosphere (msonkho ku projekiti ya Google Loon). Zoonadi, baluni yathu ya stratospheric sizomwe zimabwereza mauthenga obwerezabwereza, koma ngakhale mphamvu zake zimakhala zokwanira kufalitsa deta yosasunthika popanda kutayika kwakukulu kwa deta, machitidwe apadera adzatha kusamalira kugawa kwa intaneti kuchokera ku malo oyambirira.
Telemetry
Tikukonzekeranso kuwonetsa deta ya telemetry patsamba lomwelo la HTML. Raspberry Pi ilandila kuchokera kwa wowongolera ndege wosiyana.
Imasankha masensa osiyanasiyana, omwe amatha kuikidwa mkati ndi kunja kwa mpanda wa hardware, amasonkhanitsa deta, kuikonza, ndikuipereka m'njira yabwino kwa iwo omwe amapempha. Kwa ife, ipempha Raspberry Pi. Tikhala tikujambula kuthamanga, kutalika, kugwirizanitsa kwa GPS, liwiro loyima ndi lopingasa, komanso kutentha.
Zambiri kuchokera kwa wowongolera ndege zimatumizidwa mu zingwe zazitali, zomwe zimasinthidwa pogwiritsa ntchito code iyi:
$str = 'N:647;T:10m55s;MP.Stage:0;MP.Alt:49;MP.VSpeed:0.0;MP.AvgVSpeed:0.0;Baro.Press:1007.06;Baro.Alt:50;Baro.Temp:35.93;GPS.Coord:N56d43m23s,E37d55m68s;GPS.Home:N56d43m23s,E37d55m68s;Dst:5;GPS.HSpeed:0;GPS.Course:357;GPS.Time:11h17m40s;GPS.Date:30.07.2018;DS.Temp:[fc]=33.56;Volt:5.19,0.00,0.00,0.00,0.00,0.00,0.00,0.00';
parse_str(strtr($str, [
':' => '=',
';' => '&'
]), $result);
print_r($result);amasinthidwa kukhala gulu mu mawonekedwe oyenera kuwonetsedwa:
Array
(
[N] => 647
[Т] => 10m55з
[MP_Stage] => 0
[MP_Alt] => 49
[MP_VSpeed) => 0.0
[MP_AvgVSpeed] => 0.0
[Baro Рrеss] => 1007.06
[Baro_Alt] => 50
[Baro_Temp] => 35.93
[GPS_Coord] => N56d43m23s,E37d55m68s
[GPS_Home) => N56d43m23s,E37d55m68s
[Dst] => 5
[GPS_HSpeed] => 0
[GPS_Course] => 357
[GPS_Time] => 11h17m40s
[GPS_Date] => 30.07.2018
[DS_Temp] => [fс] ЗЗ.56
[Volt] => 5.19, 0.00,0.00,0.00,0.00,0.00,0.00,0.00
)Tidzatumizanso data ya telemetry ku Earth pamodzi ndi mauthenga anu. Pachifukwa ichi, tidzatumiza malo olandirira pamalo otsegulira.
Chiwonetsero ndi kamera
Kuonetsetsa kuti seva ikulandira mauthenga anu kudzera pa satellite, komanso kuti ili mu stratosphere osati kukhala muofesi yathu, tinaganiza zowonetsera mauthenga onse a telemetry pachiwonetsero chojambulidwa ndi GoPro. Tinali ndi nthawi yochepa yokonzekera polojekitiyi (ndipo nthawi yokwanira iti?!), kotero tinasiya zovuta za AliExpress ndi chitsulo chosungunula, ndikusankha chipangizo chokonzekera. Ndi zochuluka kuposa zosowa zathu. Tilumikiza zowonetsera ku Raspberry Pi kudzera pa HDMI.
Tikukonzekeranso kuwulutsa kanema kuchokera ku GoPro kudzera pawailesi yosiyana, koma momwe idzagwirira ntchito sizikudziwikabe - chophimba chotsika chamtambo chikhoza kuchepetsa kwambiri kulumikizana. Mulimonsemo, titatha kupeza baluni yomwe ili pamtunda, tidzayika kanema kuchokera ku kamera, ndipo mudzatha kudziwonera nokha mauthenga omwe "pre-space data center" adalandira komanso momwe adafikira - telemetry idzawonetsedwa pa tsamba lomwelo la HTML, ndipo chidutswa cha m'mphepete mwake chidzawoneka.
Mphamvu
Kukongola konseku kudzayendetsedwa ndi 3S4B lithiamu batire paketi-zitatu mndandanda ndi zinayi mofananira. Mphamvu yonseyi ndi pafupifupi 14 Ah pa 12 V. Tikuganiza kuti izi ziyenera kukhala zokwanira, koma pambuyo pa msonkhano womaliza, ndithudi, tidzayesa kugwiritsa ntchito kwenikweni ndikuwonjezera mabatire ngati kuli kofunikira.
Onjezani ku ma bekoni onse a GPS, omwe tidzagwiritsa ntchito kuti tipeze baluni yotera. Ndipo mpanda wa hermetic udzakhala "nyumba" ya seva ndi zida zina.
Idzateteza zida zosalimba ku kutentha ndi kusinthasintha kwamphamvu. Idzachepetsanso mlingo wa ma radiation, ngakhale izi sizothandiza pa polojekiti yathu; seva sikhala ikuwuluka mu stratosphere kwa nthawi yayitali, ndipo ma radiation yakumbuyo sikukwera kwambiri ngati pa ISS.
Kuphatikiza pa kutumiza mauthenga ku , mutha kutenga nawo gawo pampikisano ndikungoganizira malo omwe kafukufukuyu watsikira. Mphotho yayikulu ndi ulendo wopita ku Baikonur kukakhazikitsa ndege yapamlengalenga ya Soyuz-MS-13.
Source: www.habr.com
