# A data-driven fault detection and diagnosis scheme for air handling units in building HVAC systems considering undefined states

> Research article (Journal of Building Engineering, 2020) · cited 96× · AI/ML

**Wikidata**: [openalex:W3117398788](https://www.wikidata.org/wiki/openalex:W3117398788)  
**Source**: https://4ort.xyz/entity/a-data-driven-fault-detection-and-diagnosis-scheme-for-air-handling-units-in-building-hvac-systems-considering-undefined