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提出了基于故障树的故障报警方法和诊断方法，提出了面向故障树的报警知识和诊断知识表示方法及相应的报警和诊断推理策略，最后，在Ｗｉｎｄｏｗｓ环境下，用ＢｏｒｌａｎｄＣ＋＋实现了一个原型系统，并通过对“实践－四号”卫星能源系统故障模拟实验台的诊断验证了系统的有效性。
A fault alarm method and diagnosis method based on fault tree are put forward. And the knowledge of fault diagnosis and knowledge representation of diagnosis are put forward and corresponding alarm and diagnosis reasoning strategies are proposed. Finally, a prototype system is implemented in Borland C ++ under Windows environment, The effectiveness of the system is verified by the diagnosis of “Practice - No. 4” satellite energy system fault simulation experiment bench.