# A fault diagnosis method for planetary gearboxes under non-stationary working conditions using improved Vold-Kalman filter and multi-scale sample entropy

> Research article (Journal of Sound and Vibration, 2018) · cited 134× · AI/ML

**Wikidata**: [openalex:W2894222237](https://www.wikidata.org/wiki/openalex:W2894222237)  
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