RETRACTED ARTICLE: Research on Feature Extraction and Diagnosis Method of Gearbox Vibration Signal Based on VMD and ResNeXt
Open Access
- 26 July 2023
- journal article
- retracted article
- Published by Springer Nature in International Journal of Computational Intelligence Systems
- Vol. 16 (1) , 1-16
Abstract
Aiming at the nonlinear and non-stationarity of gearbox fault signals and the confusion among different fault categories, a gear fault diagnosis method combining variational mode decomposition, reconstruction and ResNeXt is proposed in this paper. In this paper, parameter K of VMD is determined according to the changing trend of sample entropy (SE), K modal components are obtained after decomposition, and the effective modal components are extracted and reconstructed according to Pearson autocorrelation coefficient, so as to remove redundant information from the original signal. Then the reconstructed signal is transformed by time–frequency and output two-dimensional time–frequency information, which is used as the input of ResNeXt model to extract the characteristics of different faults. Moreover, the model performance is improved by changing the learning rate decline rate, and a fault diagnosis model with high precision and good stability is established.Keywords
Funding Information
- Beijing Municipal Education Commission (KZ202210015019)
- The Project of Construction and Support for high-level Innovative Teams of Beijing Municipal Institutions (BPHR20220107)
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