# Actuator fault estimation based on a proportional-integral observer with nonquadratic Lyapunov functions

> Research article (International Journal of Systems Science, 2021) · cited 34× · AI/ML

**Wikidata**: [openalex:W3123127369](https://www.wikidata.org/wiki/openalex:W3123127369)  
**Source**: https://4ort.xyz/entity/actuator-fault-estimation-based-on-a-proportional-integral-observer-with-nonquadratic-lyapunov-functions