# Fixed Time Disturbance Observer Based Sliding Mode Control for a Miniature Unmanned Helicopter Hover Operations in Presence of External Disturbances

> Research article (IEEE Access, 2020) · cited 31× · AI/ML

**Wikidata**: [openalex:W3016324237](https://www.wikidata.org/wiki/openalex:W3016324237)  
**Source**: https://4ort.xyz/entity/fixed-time-disturbance-observer-based-sliding-mode-control-for-a-miniature-unmanned-helicopter-hover-operations-in-prese