# Humidity estimation of vehicle proton exchange membrane fuel cell under variable operating temperature based on adaptive sliding mode observation

> Research article (Applied Energy, 2022) · cited 39× · AI/ML

**Wikidata**: [openalex:W4214813998](https://www.wikidata.org/wiki/openalex:W4214813998)  
**Source**: https://4ort.xyz/entity/humidity-estimation-of-vehicle-proton-exchange-membrane-fuel-cell-under-variable-operating-temperature-based-on-adaptive