# A composite sliding mode controller with extended disturbance observer for 4WSS agricultural robots in unstructured farmlands

> Research article (Computers and Electronics in Agriculture, 2025) · cited 13× · AI/ML

**Wikidata**: [openalex:W4407687671](https://www.wikidata.org/wiki/openalex:W4407687671)  
**Source**: https://4ort.xyz/entity/a-composite-sliding-mode-controller-with-extended-disturbance-observer-for-4wss-agricultural-robots-in-unstructured-farm