# A New Improved Variable Step Size MPPT Method for Photovoltaic Systems Using Grey Wolf and Whale Optimization Technique Based PID Controller

> Research article (Journal Européen des Systèmes Automatisés, 2021) · cited 31× · AI/ML

**Wikidata**: [openalex:W3136574136](https://www.wikidata.org/wiki/openalex:W3136574136)  
**Source**: https://4ort.xyz/entity/a-new-improved-variable-step-size-mppt-method-for-photovoltaic-systems-using-grey-wolf-and-whale-optimization-technique-