Research on Fault Diagnosis Technique of Spacecraft Payload

摘要

This paper elaborates the fault classification and different fault processing methods of spacecraft payload in orbit. The advantages and disadvantages of diagnostic method based on knowledge are analyzed. According to monitoring requirements on orbit management of spacecraft, a hybrid diagnosis model based on the combination of fault tree and case based reasoning is proposed, and the constructing approach of diagnostic knowledge and the reasoning process are dealt with. In the end, the experimental result verifies the effectiveness of the proposed method.