# A nonlinear extended state observer based on fractional power functions

> Research article (Automatica, 2017) · cited 187× · AI/ML

**Wikidata**: [openalex:W2606306225](https://www.wikidata.org/wiki/openalex:W2606306225)  
**Source**: https://4ort.xyz/entity/a-nonlinear-extended-state-observer-based-on-fractional-power-functions