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航天器发射前姿控电路需在地面要进行多次测试,若只依靠自身的姿控自检电路检测,在结果异常时并不能立即判定是姿控电路故障还是自检电路故障,本文提出了一种改进姿控自检电路及等效测试电路,能够简单、快速的实现姿控电路的自检,同时在自检结果异常时能定位是姿控电路故障还是姿控自检电路故障,提高排故效率。
The pre-launch attitude control circuit of the spacecraft needs to be tested several times on the ground. If it only depends on its own attitude control self-test circuit, it can not immediately determine whether it is an attitude control circuit fault or a self-test circuit fault when the result is abnormal. An improved attitude control self-test circuit and equivalent test circuit can realize the self-test of the attitude control circuit easily and quickly. Meanwhile, the self-test of the attitude control circuit can be positioned in the abnormal state of the self-test or the fault of the self- Discharge efficiency.