# Planetary bearing defect detection in a commercial helicopter main gearbox with vibration and acoustic emission

> Research article (Structural Health Monitoring, 2018) · cited 68× · AI/ML

**Wikidata**: [openalex:W2767193645](https://www.wikidata.org/wiki/openalex:W2767193645)  
**Source**: https://4ort.xyz/entity/planetary-bearing-defect-detection-in-a-commercial-helicopter-main-gearbox-with-vibration-and-acoustic-emission