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Flying the Shuttle - Launch And Post Insertion Advanced: Difference between revisions
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Flying the Shuttle - Launch And Post Insertion Advanced (view source)
Revision as of 09:30, 18 October 2017
, 18 October 2017→Post Insertion: Advanced GPC reconfiguration
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GPC 1 and 2 will contain OPS 2 Guidance, Navigation and Control software (GNC) | GPC 1 and 2 will contain OPS 2 Guidance, Navigation and Control software (GNC)<br /> | ||
GPC 3 will be put in Halt mode ( sleep). He will be freeze dried, which means that before going to sleep, a copy of the OPS 2 software will be loaded into the GPC in case of major failure of the others. Very deep level of redundancy here. | |||
GPC 4 will receive the System Management ( SM) OPS 2 software and will be switch in Terminate mode ( it will not communicate on Flight Critical buses anymore unlike GPC 1 and 2). | GPC 3 will be put in Halt mode ( sleep). He will be freeze dried, which means that before going to sleep, a copy of the OPS 2 software will be loaded into the GPC in case of major failure of the others. Very deep level of redundancy here. <br /> | ||
GPC 5 that contains BFS software will be put in Halt mode, as no orbit software is contained in Back Up Software and Computer. | |||
GPC 4 will receive the System Management ( SM) OPS 2 software and will be switch in Terminate mode ( it will not communicate on Flight Critical buses anymore unlike GPC 1 and 2).<br /> | |||
GPC 5 that contains BFS software will be put in Halt mode, as no orbit software is contained in Back Up Software and Computer. <br /> | |||