# Design and implementation of digital fractional order PID controller using optimal pole-zero approximation method for magnetic levitation system

> Research article (IEEE/CAA Journal of Automatica Sinica, 2016) · cited 91× · AI/ML

**Wikidata**: [openalex:W2561365409](https://www.wikidata.org/wiki/openalex:W2561365409)  
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