# Control of Oxygen Excess Ratio for a PEMFC Air Supply System by Intelligent PID Methods

> Research article (Sustainability, 2023) · cited 20× · AI/ML

**Wikidata**: [openalex:W4378072149](https://www.wikidata.org/wiki/openalex:W4378072149)  
**Source**: https://4ort.xyz/entity/control-of-oxygen-excess-ratio-for-a-pemfc-air-supply-system-by-intelligent-pid-methods