# Time-Frequency demodulation analysis via Vold-Kalman filter for wind turbine planetary gearbox fault diagnosis under nonstationary speeds

> Research article (Mechanical Systems and Signal Processing, 2019) · cited 111× · AI/ML

**Wikidata**: [openalex:W2927695619](https://www.wikidata.org/wiki/openalex:W2927695619)  
**Source**: https://4ort.xyz/entity/time-frequency-demodulation-analysis-via-vold-kalman-filter-for-wind-turbine-planetary-gearbox-fault-diagnosis-under-non