A Novel Fault Diagnosis Method for Rolling Bearing Based on Hierarchical Refined Composite Multiscale Fluctuation-Based Dispersion Entropy and PSO-ELM.

Entropy (Basel) · 2022 · PMC9689796 · PMID 36359611

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a decreasing trendno p-value reported

Observing subplot (c) and subplot (d), where the folds both show a decreasing trend, this is because the single coarse granulation process in MFDE and RCMFDE leads to incomplete information, which makes the entropy of each scale significantly different.

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