# Model-Free Control Using Improved Smoothing Extended State Observer and Super-Twisting Nonlinear Sliding Mode Control for PMSM Drives

> Research article (Energies, 2021) · cited 29× · AI/ML

**Wikidata**: [openalex:W3128326149](https://www.wikidata.org/wiki/openalex:W3128326149)  
**Source**: https://4ort.xyz/entity/model-free-control-using-improved-smoothing-extended-state-observer-and-super-twisting-nonlinear-sliding-mode-control-fo