# A Fault Feature Extraction Method for Rolling Bearings Based on Refined Composite Multi-Scale Amplitude-Aware Permutation Entropy

> Research article (IEEE Access, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3163502563](https://www.wikidata.org/wiki/openalex:W3163502563)  
**Source**: https://4ort.xyz/entity/a-fault-feature-extraction-method-for-rolling-bearings-based-on-refined-composite-multi-scale-amplitude-aware-permutatio