# Fractional frequency band entropy for bearing fault diagnosis under varying speed conditions

> Research article (Measurement, 2020) · cited 31× · AI/ML

**Wikidata**: [openalex:W3109019544](https://www.wikidata.org/wiki/openalex:W3109019544)  
**Source**: https://4ort.xyz/entity/fractional-frequency-band-entropy-for-bearing-fault-diagnosis-under-varying-speed-conditions