# Trajectory tracking for nonlinear systems using extended quadratic port-Hamiltonian models without input and state coordinate transformations

> Research article (Systems & Control Letters, 2022) · cited 10× · AI/ML

**Wikidata**: [openalex:W4287305883](https://www.wikidata.org/wiki/openalex:W4287305883)  
**Source**: https://4ort.xyz/entity/trajectory-tracking-for-nonlinear-systems-using-extended-quadratic-port-hamiltonian-models-without-input-and-state-coord