# Frequency frame approach on tuning FOPI controller for TOPTD thermal processes

> Research article (ISA Transactions, 2020) · cited 13× · AI/ML

**Wikidata**: [openalex:W3080822087](https://www.wikidata.org/wiki/openalex:W3080822087)  
**Source**: https://4ort.xyz/entity/frequency-frame-approach-on-tuning-fopi-controller-for-toptd-thermal-processes