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

<div>Comparison of multiscale permutation entropy classification for original time series. (a) SVM test classification and (b) KNN test classification.</div>

Shock and Vibration

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Figure 8

Figure 8: Application of Variational Mode Decomposition and Multiscale Permutation Entropy in Rolling Bearing Failure Analysis 