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专家系统已被广泛地用于机械设备的故障诊断中，但是把设备监测系统的输出数据作为诊断专家系统的输入数据，将二者有机地结合起来形成自动诊断专家系统，并用于大型水力发电设备的监测诊断中在国内很少见到应用。本文介绍了自动诊断专家系统的一般原理及其在广州抽水蓄能电站状态监测与故障诊断系统中的具体实现，并结合实例作了介绍。该自动诊断专家系统包容了监测系统，并且能方便地同电厂的自动化控制系统结合成一体，它的应用将大大提高发电厂的自动化程度。
Expert system has been widely used in the fault diagnosis of mechanical equipment, but the output data of the equipment monitoring system as the input data of the diagnostic expert system, the two organically combine to form an automatic diagnostic expert system and used in large-scale hydroelectric equipment Of the monitoring and diagnosis rarely seen in the country. This paper introduces the general principle of automatic diagnosis expert system and its concrete realization in condition monitoring and fault diagnosis system of Guangzhou Pumped Storage Power Station, and introduces the examples. The automated diagnostic expert system incorporates a monitoring system and can be easily integrated with the plant’s automation and control system. Its application will greatly enhance the automation of the plant.