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本文首先介绍了动态系统故障诊断技术的基本内容,然后指出了单纯基于数据处理的各种传统诊断方法的共同局限性,进而探讨了专家系统方法用于系统故障诊断的原理及其优越性。作为一个成功应用的例子,本文概括地介绍了作者研制的 SCR 直流调速装置的故障诊断专家系统——SCSD.其中包括 SCSD 的概况、功能、特点及其模拟故障诊断试验的检验结果.最后,本文探讨了专家系统方法用于系统故障诊断的应用前景.
This paper firstly introduces the basic content of dynamic system fault diagnosis technology, and then points out the common limitations of various traditional diagnosis methods based on data processing, and then discusses the principle and superiority of expert system method for system fault diagnosis. As an example of successful application, this paper presents an overview of the SCSD, which is the fault diagnosis expert system of the SCR DC speed governor developed by the author, including the general situation, functions, characteristics and test results of the simulation fault diagnosis test of SCSD.Finally, This article explores the application of expert system approach to system fault diagnosis.