# Trajectory tracking control using velocity observer and disturbances observer for uncertain robot manipulators without tachometers

> Research article (Meccanica, 2016) · cited 22× · AI/ML

**Wikidata**: [openalex:W2425009898](https://www.wikidata.org/wiki/openalex:W2425009898)  
**Source**: https://4ort.xyz/entity/trajectory-tracking-control-using-velocity-observer-and-disturbances-observer-for-uncertain-robot-manipulators-without-t