故障诊断专家系统是将人类在故障诊断方面的多位

专家具有的知识、 经验、 推理、 技能综合后编制成的大型计

算机程序， 它可以利用计算机系统帮助人们分析解决只能

用语言描述、 思维推理的复杂问题， 扩展计算机系统原有

的工作范围使计算机系统有了思维能力， 能够与决策者进

行 “对话” ， 并应用推理方式提供决策建议， 专家系统在故

障诊断领域的应用非常广泛， 故障检测与诊断技术与专家

系统相结合， 使工程的安全性与可靠性得到保证。-Fault diagnosis expert system is to fault diagnosis of human experts with the knowledge, experience, reasoning, skills, large-scale comprehensive post compiled computer program, which can be analyzed using a computer system to help people resolve can only use language to describe, thinking reasoning complex problems, expanding the original scope of work of computer systems to enable the computer system has been thinking, and decision makers to " dialogue" , and apply the reasoning to provide policy recommendations, the expert system fault diagnosis in the field of application is very extensive, fault detection and diagnostic techniques and expert system integration, so that the project' s safety and reliability is guaranteed.