# Vision-Based Hybrid Controller to Release a 4-DOF Parallel Robot from a Type II Singularity

> Research article (Sensors, 2021) · cited 16× · AI/ML

**Wikidata**: [openalex:W3169461151](https://www.wikidata.org/wiki/openalex:W3169461151)  
**Source**: https://4ort.xyz/entity/vision-based-hybrid-controller-to-release-a-4-dof-parallel-robot-from-a-type-ii-singularity