广义Morse解析小波变换在机械故障诊断中的应用研究

Generalized Morse Wavelet Transform and Application in Mechanical Fault Diagnosis

提出了一种基于广义Morse小波变换的机械故障诊断方法。研究了广义Morse小波相比常用的Morse小波是一种完全解析特性,因此广义Morse具有其他非解析小波所不具有的优势。将该方法应用于某空分机的故障诊断中,并成功提取出重要的故障特征信息,结果证实了该方法可为机械故障诊断提供一条新途径。

Mechanical fault diagnosis technique based on Generalized Morse Wavelet （GMW） is proposed. GMW is exactly analytic compared with traditional Morlet wavelet, thus it may have some advantages which other wavelet may not have. This method is used to diagnosis of an air compressor. Results show proposed method can effectively detect key fault information and it may provide a new way for mechanical fault diagnosis.