# Comparison of PID and FOPID controllers tuned by PSO and ABC algorithms for unstable and integrating systems with time delay

> Research article (Optimal Control Applications and Methods, 2018) · cited 147× · AI/ML

**Wikidata**: [openalex:W2793712344](https://www.wikidata.org/wiki/openalex:W2793712344)  
**Source**: https://4ort.xyz/entity/comparison-of-pid-and-fopid-controllers-tuned-by-pso-and-abc-algorithms-for-unstable-and-integrating-systems-with-time-d