# Extremum seeking control of COP optimization for air-source transcritical CO2 heat pump water heater system

> Research article (Applied Energy, 2015) · cited 109× · AI/ML

**Wikidata**: [openalex:W2047191572](https://www.wikidata.org/wiki/openalex:W2047191572)  
**Source**: https://4ort.xyz/entity/extremum-seeking-control-of-cop-optimization-for-air-source-transcritical-co2-heat-pump-water-heater-system