Li Xiaotong (Beijing Institute of Spacecraft System Engineering,Beijing 100086)
Satellite Keeping Operation (SKO) system first applied to chinese mission is an comprehensive automatic system which accomplishes satellite operating management, autonomous control, information transmission and ground-to-satellite loop operation. SKO is the flexible satellite-borne system which cooperates and schedules contact between various satellite components with use on-board network to perform dynamic stream tasks including information stream, action stream and energy stream. SKO has several innovations as follows: multilevel control, embedded management executive unit, field network technology, hardware/software encapsulation technology, utilization of the commercial RTOS, compatible package telemetry, compound tele-command and tele-operation technology, data multi-path and reconstruction technology, test-bed technology, radiation shielding technology, etc. Autonomous capability and intelligence of the satellite are enhanced and risk of the mission is decreased by the application of SKO to SJ-5 mission. Also top-level reliability and efficiency of mission operation are improved.
Li Xiaotong (Beijing Institute of Spacecraft System Engineering,Beijing 100086). Satellite Keeping Operation System for Chinese SJ-5[J]. .
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