# Position tracking control of a helicopter in ground effect using nonlinear disturbance observer-based incremental backstepping approach

> Research article (Aerospace Science and Technology, 2018) · cited 23× · AI/ML

**Wikidata**: [openalex:W2887230981](https://www.wikidata.org/wiki/openalex:W2887230981)  
**Source**: https://4ort.xyz/entity/position-tracking-control-of-a-helicopter-in-ground-effect-using-nonlinear-disturbance-observer-based-incremental-backst