[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.pcsp.sk\/detaily-o-znicenej-sonde-schiaparelli\/#Article","mainEntityOfPage":"https:\/\/www.pcsp.sk\/detaily-o-znicenej-sonde-schiaparelli\/","headline":"Detaily o zni\u010denej sonde Schiaparelli","name":"Detaily o zni\u010denej sonde Schiaparelli","description":"Sonda Schiaparelli bola spolo\u010dn\u00fdm dielom Eur\u00f3pskej vesm\u00edrnej agent\u00fary (ESA) a\u00a0ruskej agent\u00fary Roskosmos, ktor\u00e9 vytvorili projekt ExoMars. Sonda mala otestova\u0165 prist\u00e1vacie zariadenie, ktor\u00e9 pl\u00e1novali vyu\u017ei\u0165 v\u00a0druhej f\u00e1ze projektu. I\u0161lo o\u00a0vstup do atmosf\u00e9ry, klesanie a\u00a0samotn\u00e9 prist\u00e1tie na povrchu. V\u00a0roku 2020 chc\u00fa na Mars vysla\u0165 modul, ktor\u00fd bude pod povrchom Marsu h\u013eada\u0165 d\u00f4kazy o\u00a0\u017eivote na \u010dervenej plan\u00e9te. Po zr\u00faten\u00ed sa sondy Schiaparelli na … ","datePublished":"2017-04-10","dateModified":"2023-04-26","author":{"@type":"Person","@id":"https:\/\/www.pcsp.sk\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.pcsp.sk\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/4faace62981be50719be6a25151192978e6d585737a520836dcb98934de3bb45?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4faace62981be50719be6a25151192978e6d585737a520836dcb98934de3bb45?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"pcsp.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.pcsp.sk\/wp-content\/uploads\/img_a280981_w16469_t1497113060.png","url":"https:\/\/www.pcsp.sk\/wp-content\/uploads\/img_a280981_w16469_t1497113060.png","height":0,"width":0},"url":"https:\/\/www.pcsp.sk\/detaily-o-znicenej-sonde-schiaparelli\/","wordCount":389,"articleBody":"\tSonda Schiaparelli bola spolo\u010dn\u00fdm dielom Eur\u00f3pskej vesm\u00edrnej agent\u00fary (ESA) a\u00a0ruskej agent\u00fary Roskosmos, ktor\u00e9 vytvorili projekt ExoMars. Sonda mala otestova\u0165 prist\u00e1vacie zariadenie, ktor\u00e9 pl\u00e1novali vyu\u017ei\u0165 v\u00a0druhej f\u00e1ze projektu. I\u0161lo o\u00a0vstup do atmosf\u00e9ry, klesanie a\u00a0samotn\u00e9 prist\u00e1tie na povrchu. V\u00a0roku 2020 chc\u00fa na Mars vysla\u0165 modul, ktor\u00fd bude pod povrchom Marsu h\u013eada\u0165 d\u00f4kazy o\u00a0\u017eivote na \u010dervenej plan\u00e9te.\tPo zr\u00faten\u00ed sa sondy Schiaparelli na povrch Marsu zriadili agent\u00fary \u0161peci\u00e1lnu komisiu, ktor\u00e1 mala za \u00falohu vy\u0161etri\u0165 pr\u00ed\u010diny hav\u00e1rie. Komisia po d\u00f4kladnom vy\u0161etrovan\u00ed pri\u0161la k\u00a0z\u00e1veru, \u017ee sonda nebola spr\u00e1vne pripraven\u00e1 na prist\u00e1tie. Komisia odhalila hne\u010f nieko\u013eko pochyben\u00ed, ktor\u00fdch by sa mala bud\u00faca misia vyvarova\u0165.\tNe\u0161\u0165astie sa za\u010dalo po\u010das klesania v\u00a0riedkej atmosf\u00e9re Marsu, ke\u010f po vystrelen\u00ed pad\u00e1ku zaznamenalo zariadenie naz\u00fdvan\u00e9 inerci\u00e1lna meracia jednotka (IMU \u2013 inertial measuement unit) rota\u010dn\u00e9 akceler\u00e1cie sondy, ktor\u00e9 boli v\u00e4\u010d\u0161ie ako tie, s\u00a0ktor\u00fdmi po\u010d\u00edtali. To zapr\u00ed\u010dinilo komplik\u00e1cie, preto\u017ee IMU zariadenie bolo n\u00e1hle zahlten\u00e9 d\u00e1tami, ktor\u00e9 palubn\u00fd po\u010d\u00edta\u010d nedok\u00e1zal vyhodnoti\u0165. Softv\u00e9r na nav\u00e1dzanie, navig\u00e1ciu a\u00a0kontrolu (GNC \u2013 guidance, navigation and control) chybne vyhodnotil situ\u00e1ciu a\u00a0napriek tomu, \u017ee sonda st\u00e1le klesala, vypo\u010d\u00edtal, \u017ee sonda sa nach\u00e1dza len nieko\u013eko metrov nad povrchom Marsu. Na z\u00e1klade chybn\u00fdch v\u00fdpo\u010dtov sa pomocn\u00e9 rakety vypli a\u00a0testovac\u00ed modul bol zni\u010den\u00fd, preto\u017ee sa v\u00a0r\u00fdchlosti 150 m\/s roztrie\u0161til o\u00a0povrch Marsu. Komisia v\u0161ak ver\u00ed, \u017ee prist\u00e1tie mohlo by\u0165 st\u00e1le pre sondu bezpe\u010dn\u00e9 napriek zl\u00fdm prepo\u010dtom IMU, ak by in\u00e9 kontroln\u00e9 a\u00a0vyva\u017euj\u00face zariadenia boli v\u00a0poriadku.\tNa z\u00e1klade prepo\u010dtov vytvorila vy\u0161etrovacia komisia zoznam pochyben\u00ed, medzi ktor\u00e9 patria:\t\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Neposta\u010duj\u00faci prepo\u010det prist\u00e1vac\u00edch man\u00e9vrov\t\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Neadekv\u00e1tne nar\u00e1banie s\u00a0d\u00e1tami z\u00a0IMU softv\u00e9rom GNC\t\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Neadekv\u00e1tny pr\u00edstup \u010dlenov t\u00edmu k\u00a0detekovan\u00fdm chyb\u00e1m\t\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Probl\u00e9my s\u00a0riaden\u00edm dod\u00e1vate\u013eov\tSpolu so zoznamom ch\u00fdb, ktor\u00fdch sa agent\u00fary pri pr\u00edprave dopustili, im komisia poskytla aj odpor\u00fa\u010dania na ich n\u00e1pravu.                                                                                                                                                                                                                                                                                                                                                                                        3.6\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Detaily o zni\u010denej sonde Schiaparelli","item":"https:\/\/www.pcsp.sk\/detaily-o-znicenej-sonde-schiaparelli\/#breadcrumbitem"}]}]