# Design of a 2-DOF-PID controller using an improved sine–cosine algorithm for load frequency control of a three-area system with nonlinearities

> Research article (Protection and Control of Modern Power Systems, 2022) · cited 46× · AI/ML

**Wikidata**: [openalex:W4297929868](https://www.wikidata.org/wiki/openalex:W4297929868)  
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