# An enhanced PCA method with Savitzky-Golay method for VRF system sensor fault detection and diagnosis

> Research article (Energy and Buildings, 2017) · cited 87× · AI/ML

**Wikidata**: [openalex:W2594841701](https://www.wikidata.org/wiki/openalex:W2594841701)  
**Source**: https://4ort.xyz/entity/an-enhanced-pca-method-with-savitzky-golay-method-for-vrf-system-sensor-fault-detection-and-diagnosis