模拟电路模块级软故障特征的提取与故障诊断The Method of Soft Fault Feature Extraction and Fault Diagnosis at Functional Module Level in Analog Circuit
郑致刚,胡云安,齐树民
摘要(Abstract):
介绍了一种模拟电路故障诊断中功能模块级的单模块软故障模型的建立理论和特征提取的方法,运用该方法提取的单模块故障特征不仅可以有效区分单模块电路中的各类故障,而且单模块电路的故障特征还可以在多模块电路的单故障和多故障的情况下应用。仿真结果表明,通过采样电路输出并进行相应的信号处理来提取故障模型,可以准确地定位多模块故障电路的故障部位。
关键词(KeyWords): 模拟电路;软故障;故障模型;故障特征
基金项目(Foundation):
作者(Author): 郑致刚,胡云安,齐树民
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