# Bearing fault diagnosis under unknown time-varying rotational speed conditions via multiple time-frequency curve extraction

> Research article (Journal of Sound and Vibration, 2017) · cited 151× · AI/ML

**Wikidata**: [openalex:W2769073591](https://www.wikidata.org/wiki/openalex:W2769073591)  
**Source**: https://4ort.xyz/entity/bearing-fault-diagnosis-under-unknown-time-varying-rotational-speed-conditions-via-multiple-time-frequency-curve-extract