# Permanent-Magnet Synchronous Motor Sensorless Control Using Proportional-Integral Linear Observer with Virtual Variables: A Comparative Study with a Sliding Mode Observer

> Research article (Energies, 2019) · cited 10× · AI/ML

**Wikidata**: [openalex:W2920124887](https://www.wikidata.org/wiki/openalex:W2920124887)  
**Source**: https://4ort.xyz/entity/permanent-magnet-synchronous-motor-sensorless-control-using-proportional-integral-linear-observer-with-virtual-variables