# A variable-order fractional proportional-integral controller and its application to a permanent magnet synchronous motor

> Research article (Alexandria Engineering Journal, 2020) · cited 20× · AI/ML

**Wikidata**: [openalex:W3086540190](https://www.wikidata.org/wiki/openalex:W3086540190)  
**Source**: https://4ort.xyz/entity/a-variable-order-fractional-proportional-integral-controller-and-its-application-to-a-permanent-magnet-synchronous-motor