# Research on gear fault diagnosis based on feature fusion optimization and improved two hidden layer extreme learning machine

> Research article (Measurement, 2021) · cited 54× · AI/ML

**Wikidata**: [openalex:W3143954825](https://www.wikidata.org/wiki/openalex:W3143954825)  
**Source**: https://4ort.xyz/entity/research-on-gear-fault-diagnosis-based-on-feature-fusion-optimization-and-improved-two-hidden-layer-extreme-learning-mac