LIN Huibin,XIAN Xianzhao,HE Guolin. Fault diagnosis method for gearboxes based on deep convolutional binary decomposition network[J]. Journal of Mechanical Transmission,2025,49(9):119-127.
LIN Huibin,XIAN Xianzhao,HE Guolin. Fault diagnosis method for gearboxes based on deep convolutional binary decomposition network[J]. Journal of Mechanical Transmission,2025,49(9):119-127. DOI: 10.16578/j.issn.1004.2539.2025.09.015.
Fault diagnosis method for gearboxes based on deep convolutional binary decomposition network增强出版
To address the issue of harmonic interference affecting local fault feature in gearbox fault diagnosis
a harmonic separation and impact feature extraction method based on a deep convolutional binary decomposition network (DCBDN) was proposed.
Methods
2
Firstly
by improving the feature transmission and output patterns of the stacked autoencoder network
a separation constraint for harmonic components was introduced to achieve harmonic separation and impact fault feature extraction during the network's feature propagation process. Subsequently
a binary output network training approach grounded in a fault mechanism model was developed for the proposed network. A simulated dataset was constructed based on the fault mechanism model
and the parameters of both harmonic and impact feature extractors within the model were dynamically updated via effect compensation
thereby completing network training.
Results
2
Simulation and test analyses demonstrate that compared with existing convolutional autoencoder models and fast spectral kurtosis methods
the proposed method effectively separates coupled harmonic and fault impact components
exhibiting superior anti-interference capability and enhanced local fault feature extraction performance.
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