2024
DOI: 10.1088/2631-8695/ad0f79
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Bearing fault diagnosis based on the feature enhancement of improved mean differential SDP images★

Wei Wang,
Yongjian Sun

Abstract: In the fault diagnosis of mechanical equipment, vibrational signals often contain noise. In order to solve the problem of rolling bearing fault diagnosis under the influence of noise, an image enhancement method based on mean difference images is proposed. Convert one-dimensional time series into two-dimensional image data by using the symmetrized dot pattern method. The data are processed and grouped by variational mode decomposition to obtain a mean image with stable features. A feature enhancement method ba… Show more

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