A multi-layer feature fusion fault diagnosis method for train bearings under noise and variable load working conditions
Changfu He,
Deqiang He,
Zhenzhen Jin
et al.
Abstract:The working characteristics of noise and variable load conditions make it challenging to extract the feature of train bearing vibration signal. Therefore, a multi-layer feature fusion inverted residual network (MFIRN) is proposed. Firstly, a joint shrinkage denoising module (JSDM) is proposed, and an inverted residual denoising module (IRDM) is designed by combining the JSDM with the inverted residual network. The IRDM is used as the basic unit to improve the anti-noise performance of MFIRN. Then, a global int… Show more
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