# A Unified Approach for Tracking Control of MIMO Nonlinear Systems Under Unknown Control Directions and Irregular Constraints

> Research article (IEEE Transactions on Automation Science and Engineering, 2023) · cited 13× · AI/ML

**Wikidata**: [openalex:W4389232481](https://www.wikidata.org/wiki/openalex:W4389232481)  
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