'Yan kwanaki da suka gabata bayanai da aka saki game da tarin bayanai wadanda suka bayyana nau'ikan software da kayan aikin da ake amfani da su a SpaceX, tsarin aiki da ake amfani da shi a cikin roka Falcon 9 zuwa nau'ikan kayan aikin da ake amfani da su. Duk waɗannan bayanan suna dogara ne akan abubuwan da ma'aikatan SpaceX suka ambata a tattaunawa daban-daban.
Kamar yadda, a cikin bayanin da aka bayyana An ambaci cewa tsarin Falcon 9 da aka saka yana amfani da Linux mai sauƙi y uku Kwafin kwakwalwa dangane da masu sarrafa al'ada na iyali mai mahimmanci x86.
Baya ga gaskiyar cewa a cikin kayan aikin da aka yi amfani da su, ba a buƙatar amfani da kwakwalwan kwamfuta na musamman ba tare da kariya ta radiation ta musamman ga kwamfutocin Falcon 9, tunda matakin farko na dawowa baya cikin sararin samaniya na dogon lokaci kuma sakewar tsarin ya isa.
Bangaren da ba a sanar da kansa ba, game da wane yanki ake amfani da shi a cikin Falcon 9, amma amfani da daidaitaccen CPU al'ada ce gama gari, misali, Intel 80386SX 20 MHz CPU an fara wadata ta da International Space Station mai sarrafa multiplexer da demultiplexer (C&C MDM) da kuma HP ZBook laptops ana amfani dasu a aikin yau da kullun akan ISS 15s tare da Rarraba Linux "Debian", Linux Kimiyya ko Windows 10.
A ɓangaren tsarin Linux, ana amfani dasu azaman tashoshin nesa don C&C MDM da Windows don leer imel, yi hawan igiyar yanar gizo kuma ku nishadantar da kanku (Gaskiyar magana ce mai ban sha'awa, amma ana iya fahimtarsa yayin kare manyan dandamali daga sanannen "kuskuren mutum").
Amma ga An rubuta software na kula da jirgin sama na Falcon 9 a cikin C / C ++ kuma yana gudana a layi daya akan kowane kwamfyutocin uku.
Ana buƙatar komfutoci guda uku masu jan aiki don tabbatar da daidaitaccen matakin aminci saboda ɗakunan ajiya da yawa. Sakamakon kowane yanke shawara an kwatanta shi da sakamakon da aka samu a cikin sauran kwamfutocin, kuma kawai idan node ukun suka zo daidai, kwamandan mai kula da injinan da ke kula da injina da lattice suna karɓar umarnin.
Me yasa masu sarrafawa uku? Wannan saboda, kamar yadda aka bayyana a cikin Binciken Sararin Samaniya na StackExchange, SpaceX yana amfani da tsarin Actor-Judge don samar da tsaro ta hanyar sake aiki. A cikin wannan tsarin, duk lokacin da aka yanke shawara, ana kwatankwacinsa ne da sakamakon sauran abubuwan. Idan akwai wani rashin jituwa, to a yi watsi da shawarar sannan a sake aiwatar da ita. Abin sani kawai lokacin da kowane mai sarrafawa ya sami amsa guda ɗaya sai a aika umarni zuwa ga masu sarrafa microPC.
Waɗannan masu sarrafawa, waɗanda ke yanke shawara game da injin roka da ƙafafu a kan hanyar sadarwar, suna samun umarni uku daga kowane mai sarrafa x86. Idan duk igiyoyin umarnin guda uku iri ɗaya ne, to microcontroller ya zartar da umarnin, amma idan ɗayan ukun ba daidai bane, mai kula yana bin umarnin da ya gabata daidai. Idan abubuwa sun tafi gaba ɗaya ba daidai ba, Falcon 9 yayi watsi da umarni daga guntun nasara.
Teamungiyar da ta ƙunshi kusan mutane 35 ɓullo da takamaiman software don tsarin a kan jirgin Falcon 9, na'urar kwaikwayo ta roket, kayan aikin don gwada lambar sarrafa jirgin, lambar sadarwa da software don nazarin jiragen sama daga tsarin ƙasa.
Kafin ainihin fitowar software da kayan aikin kula da jirgin, ana gwada shi a cikin na'urar kwaikwayo, wanda ana kwaikwayon yanayi daban-daban na ƙaura da yanayin gaggawa.
Crew Dragon da aka tura kumbon da aka shigar dashi cikin falaki shima yi amfani da software na jirgin sama na Linux da C ++. 'Yan saman jannatin masu dubawa suna aiki tare ana aiwatar da shi ne bisa tushen a Bude aikace-aikacen JavaScript na yanar gizo a cikin Chromium. Gudanarwa ta hanyar allon taɓawa ne, amma idan aka sami gazawa akwai maɓallin keyboard don sarrafa kumbon.
A ƙarshe, idan kuna son ƙarin sani game da bayanan da aka tattara, kuna iya tuntuɓar asalin bayanin ta hanyar zuwa mahaɗin mai zuwa.
Source: https://www.zdnet.com