Fault diagnosis of rolling bearing based on channel and spatial reconstruction networks
Journal of Mechanical StrengthVol. 47, Issue 5, Pages: 19-28(2025)
作者机构:
北京建筑大学 机电与车辆工程学院,北京 102616
作者简介:
YAO Dechen, E-mail: yaodechen@bucea.edu.cn
基金信息:
National Natural Science Foundation of China General(51975038);Beijing Natural Science Foundation (Key)(KZ202010016025);Beijing University of Civil Engineering and Architecture Young Teachers’ Scientific Research Ability Enhancement Program(X21055);Postgraduate Innovation Program of Beijing University of Civil Engineering and Architecture(PG2023134)
ZHOU Tao,YAO Dechen,YANG Jianwei. Fault diagnosis of rolling bearing based on channel and spatial reconstruction networks[J]. Journal of Mechanical Strength,2025,47(5):19-28.
ZHOU Tao,YAO Dechen,YANG Jianwei. Fault diagnosis of rolling bearing based on channel and spatial reconstruction networks[J]. Journal of Mechanical Strength,2025,47(5):19-28. DOI: 10.16579/j.issn.1001.9669.2025.05.003.
Fault diagnosis of rolling bearing based on channel and spatial reconstruction networks
由于在实际工程中采集到的故障振动数据可能会伴随噪声,传统的诊断模型难以识别故障类别,针对此问题,提出一种基于通道和空间重组卷积与渐进式卷积神经网络(Channel and Spatial Reconstruction and Progressive Convolutional Neural Networks
CSRP-CNN)的滚动轴承故障诊断研究方法。所提模型利用通道和空间重组卷积(Channel and Spatial Reconstruction Convolution
Since the fault vibration data collected in the real engineering may be accompanied by noise
traditional diagnostic models are difficult to identify fault categories. To address this problem
a rolling bearing fault diagnosis research method based on channel and spatial reconstruction and progressive convolutional neural networks (CSRP-CNN) was proposed. The model utilized channel and spatial reconstruction convolution (CSConv) to reduce the redundant information of channels and space in fault features
and reduced the complexity and computation to improve the performance; using the convolutional block attention module (CBAM)
attention enhancement operation was carried out in the channel and spatial dimensions to make the model pay attention to the important fault feature information; and the progressive convolutional network structure was used in the shallow layer of the network
which would fuse the previous fault feature information with the current input to obtain the richer feature information. The performance of CSRP-CNN was evaluated by two different datasets of Case Western Reserve University (CWRU) and machinery fault simulator magnum (MFS-MG). After the noise and ablation tests
it is verified that CSRP-CNN has strong robustness and the effects of CSConv
CBAM and progressive convolutional neural network (PCNN) on the model noise immunity performance.
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