# High-order sliding mode observer for fractional commensurate linear systems with unknown input

> Research article (Automatica, 2017) · cited 53× · AI/ML

**Wikidata**: [openalex:W2614526623](https://www.wikidata.org/wiki/openalex:W2614526623)  
**Source**: https://4ort.xyz/entity/high-order-sliding-mode-observer-for-fractional-commensurate-linear-systems-with-unknown-input