# A Relaxed Solution to Unknown Input Observers for State and Fault Estimation

> Research article (IFAC-PapersOnLine, 2015) · cited 11× · AI/ML

**Wikidata**: [openalex:W2479126312](https://www.wikidata.org/wiki/openalex:W2479126312)  
**Source**: https://4ort.xyz/entity/a-relaxed-solution-to-unknown-input-observers-for-state-and-fault-estimation