A novel fault diagnosis method of rotating machinery via VMD, CWT and improved CNN
Measurement(2022)
摘要
•A hybrid model based on VMD, CNN and SVM was proposed for rolling bearings diagnosis.•The performance of VMD on an analog signal with DC component and noise is studied.•Overlap sampling for one-dimensional data reconstructed from IMF components.•The validity of the method is verified by different samples and methods.
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关键词
Fault diagnosis,Variational mode decomposition,Convolutional neural networks,Support vector machine,Rolling bearings
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