# A Simplified Fractional Order PID Controller’s Optimal Tuning: A Case Study on a PMSM Speed Servo

> Research article (Entropy, 2021) · cited 45× · AI/ML

**Wikidata**: [openalex:W3123025974](https://www.wikidata.org/wiki/openalex:W3123025974)  
**Source**: https://4ort.xyz/entity/a-simplified-fractional-order-pid-controllers-optimal-tuning-a-case-study-on-a-pmsm-speed-servo