# Actuator fault diagnosis of singular delayed LPV systems with inexact measured parameters via PI unknown input observer

> Research article (IET Control Theory and Applications, 2017) · cited 29× · AI/ML

**Wikidata**: [openalex:W2604775192](https://www.wikidata.org/wiki/openalex:W2604775192)  
**Source**: https://4ort.xyz/entity/actuator-fault-diagnosis-of-singular-delayed-lpv-systems-with-inexact-measured-parameters-via-pi-unknown-input-observer