汽车故障诊断专家系统是利用具有相当数量的权威性专家经验和知识,解决汽车故障诊断领域中实际问题的计算机程序系统。系统采用类框架结构的知识表示形式来组织汽车功能故障的知识源,采用模糊矩阵结构来表示汽车异响故障。它能根据用户提供的信息或事实,运用系统存贮的专家经验和知识推理判断,以图文并茂的方式,快速、准确地诊断出夏利、桑塔纳、斯太尔车型的故障。 Vehicle fault diagnosis expert system is a computer program system that uses practical experience and knowledge of a considerable number of authoritative experts to solve practical problems in the field of vehicle fault diagnosis. The system uses the knowledge representation of the frame-like structure to organize the knowledge source of vehicle functional faults and uses the fuzzy matrix structure to represent the vehicle abnormal noise faults. It can quickly and accurately diagnose the failure of the Xiali, Santana, and Steyr models based on the information or facts provided by the user, using the expert knowledge of system storage and the reasoning and judgment.