针对遥感卫星接收系统的故障特性，给出了故障诊断专家系统的架构。通过对系统设备监测信息及任务流程的故障特征分析、系统故障树的建立与分析，利用产生式的知识表示方式，建立了故障诊断专家系统的知识库。依据该知识库设计的故障诊断专家系统已用于实际工程项目，提高了遥感卫星接收系统故障诊断的效率。%For the fault characteristics of the remote sensing satellite receiving system,the architecture of the fault diagno⁃sis expert system is provided. The fault characteristics of the monitoring information and task flow for system equipments are ana⁃lyzed,and the system fault tree is established and analyzed,based on which the knowledge base of the fault diagnosis expert system is established with the knowledge representation method of production. The designed fault diagnosis expert system according to this knowledge base has been applied in the actual engineering projects,which can improve the fault diagnosis efficiency of the remote sensing satellite receiving system.
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