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• W2120287894 endingPage "085008" @default.
• W2120287894 startingPage "085008" @default.
• W2120287894 abstract "Time-frequency analysis is an effective tool to extract machinery health information contained in non-stationary vibration signals. Various time-frequency analysis methods have been proposed and successfully applied to machinery fault diagnosis. However, little research has been done on bearing fault diagnosis using texture features extracted from time-frequency representations (TFRs), although they may contain plenty of sensitive information highly related to fault pattern. Therefore, to make full use of the textural information contained in the TFRs, this paper proposes a novel fault diagnosis method based on S transform, gray level co-occurrence matrix (GLCM) and multi-class support vector machine (Multi-SVM). Firstly, S transform is chosen to generate the TFRs due to its advantages of providing frequency-dependent resolution while keeping a direct relationship with the Fourier spectrum. Secondly, the famous GLCM-based texture features are extracted for capturing fault pattern information. Finally, as a classifier which has good discrimination and generalization abilities, Multi-SVM is used for the classification. Experimental results indicate that the GLCM-based texture features extracted from TFRs can identify bearing fault patterns accurately, and provide higher accuracies than the traditional time-domain and frequency-domain features, wavelet packet node energy or two-direction 2D linear discriminant analysis based features of the same TFRs in most cases." @default.
• W2120287894 created "2016-06-24" @default.
• W2120287894 creator A5002417986 @default.
• W2120287894 creator A5010206131 @default.
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• W2120287894 date "2015-07-10" @default.
• W2120287894 modified "2023-10-17" @default.
• W2120287894 title "Fault diagnosis of rolling element bearing based on S transform and gray level co-occurrence matrix" @default.
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• W2120287894 doi "https://doi.org/10.1088/0957-0233/26/8/085008" @default.
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