# Fixed-time observer-based back-stepping controller design for tower cranes with mismatched disturbance

> Research article (Nonlinear Dynamics, 2022) · cited 26× · AI/ML

**Wikidata**: [openalex:W4295866782](https://www.wikidata.org/wiki/openalex:W4295866782)  
**Source**: https://4ort.xyz/entity/fixed-time-observer-based-back-stepping-controller-design-for-tower-cranes-with-mismatched-disturbance