# Robust trajectory tracking control of robotic manipulators based on model-free PID-SMC approach

> Research article (Journal of Engineering Research, 2018) · cited 16× · AI/ML

**Wikidata**: [openalex:W2907572790](https://www.wikidata.org/wiki/openalex:W2907572790)  
**Source**: https://4ort.xyz/entity/robust-trajectory-tracking-control-of-robotic-manipulators-based-on-model-free-pid-smc-approach