对故障诊断系统“并发”故障症兆提取方法的探讨

Making a Research into the Method of Abstracting the Symptoms Used by Default Diagnosis System

本文对故障诊断系统“并发”故障症兆提取的三种方法──特征频率法、历史分析信号法和特别参数识别法，以及这三种方法有机结合的模糊综合决策公式从理论和实用上进行了探讨，为故障诊断专家系统的“瓶颈”问题作了一些基础工作。

This paper proposes three methous of abstracting symptoms.special frequency,istorical analysis and special parameters,and the method of syntnesizing three results above on fuzzy synthetics dedcision model It makes a basis research into the' bottleneck problem of diagnosis expert system.