Application of Variational Mode Decomposition and Multiscale Permutation Entropy in Rolling Bearing Failure Analysis

<div>Comparison of permutation entropy classification after the original time series VMD decomposition. (a) SVM test classification and (b) KNN test classification.</div>

Shock and Vibration

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Figure 7

Figure 7: Application of Variational Mode Decomposition and Multiscale Permutation Entropy in Rolling Bearing Failure Analysis 