# Robust Liquid Level Control of Quadruple Tank System: A Nonlinear Model-Free Approach

> Research article (Actuators, 2023) · cited 16× · AI/ML

**Wikidata**: [openalex:W4324069240](https://www.wikidata.org/wiki/openalex:W4324069240)  
**Source**: https://4ort.xyz/entity/robust-liquid-level-control-of-quadruple-tank-system-a-nonlinear-model-free-approach