# Early fault feature extraction of bearings based on Teager energy operator and optimal VMD

> Research article (ISA Transactions, 2018) · cited 80× · AI/ML

**Wikidata**: [openalex:W2901835834](https://www.wikidata.org/wiki/openalex:W2901835834)  
**Source**: https://4ort.xyz/entity/early-fault-feature-extraction-of-bearings-based-on-teager-energy-operator-and-optimal-vmd