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Journal of System Simulation

Abstract

Abstract: A rolling bearing fault diagnosis method based on a weighted domain adaptive convolutional neural network (WDACNN) is proposed to solve the problem that the data distribution of vibration signals of rolling bearings changes due to workload changes, which leads to poor generalization of fault diagnosis algorithm. In this method, the domain adaptation algorithm is embedded in the convolutional neural network to make the classifier based on the source domain achieve excellent generalization in the target domain, and the weight coefficient is introduced to weight the samples in the source domain to reduce the influence of the class weight deviation. In the simulation experiment, six migration tasks are used to verify the effectiveness of the proposed method. The average fault diagnosis accuracy of the proposed method reaches 96.6%, which proves the effectiveness of the proposed method under different workload conditions.

First Page

2445

Last Page

2453

CLC

TP391.9

Recommended Citation

Zhang Wenfeng, Zhu Zhichao, Wu Dinghui. Rolling Bearing Fault Diagnosis Based on Weighted Domain Adaptive Convolutional Neural Network[J]. Journal of System Simulation, 2023, 35(11): 2445-2453.

Corresponding Author

Wu Dinghui

DOI

10.16182/j.issn1004731x.joss.22-0616

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