Satellite-borne clock redundant system and method
A redundant system and clock technology, applied in the field of spacecraft control, can solve problems such as control system paralysis, flight control system collapse, and impact on control accuracy
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[0067] Below in conjunction with accompanying drawing and specific example the present invention is described in further detail:
[0068] Such as figure 1 As shown, aerospace control systems are generally configured with an inertial measurement unit (IMU) and a flight control computer. Among them, the inertial measurement unit has a high-precision inertial navigation clock, and the flight control computer contains an embedded CPU, and is equipped with two timers Timer0 and Timer1 as standard.
[0069] The on-board clock redundancy system provided by the present invention can provide the system clock for the above-mentioned aerospace control system. Such as figure 2 As shown in the system block diagram, the main clock unit, backup clock unit, third-party clock unit and clock redundancy control unit of the on-board clock redundancy system of the present invention. Wherein, the clock redundancy control unit includes a main clock false trigger detection module, a main clock fa...
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