# A new gear intelligent fault diagnosis method based on refined composite hierarchical fluctuation dispersion entropy and manifold learning

> Research article (Measurement, 2021) · cited 22× · AI/ML

**Wikidata**: [openalex:W3198634421](https://www.wikidata.org/wiki/openalex:W3198634421)  
**Source**: https://4ort.xyz/entity/a-new-gear-intelligent-fault-diagnosis-method-based-on-refined-composite-hierarchical-fluctuation-dispersion-entropy-and