# Diagnosis for the refrigerant undercharge fault of chiller using deep belief network enhanced extreme learning machine

> Research article (Sustainable Energy Technologies and Assessments, 2022) · cited 12× · AI/ML

**Wikidata**: [openalex:W4313241588](https://www.wikidata.org/wiki/openalex:W4313241588)  
**Source**: https://4ort.xyz/entity/diagnosis-for-the-refrigerant-undercharge-fault-of-chiller-using-deep-belief-network-enhanced-extreme-learning-machine