有效特征向量的提取和状态识别是设备状态监测与故障诊断中的关键技术.近年来,国内外非常重视特征参量有效性的研究和模式识别方法的探讨.笔者介绍了“机械故障自动特征向量提取与智能识别系统”的设计、结构与功能、实现方法及其应用. Effective feature vector extraction and state recognition are the key technologies in the equipment condition monitoring and fault diagnosis.In recent years, the research on the validity of feature parameters and the research on pattern recognition methods have been paid much attention in and abroad.The author introduced the “Automatic Fault Feature Extraction And Intelligent Identification System ”design, structure and function, implementation methods and their applications.