The present technical note studies a class of nonlinear systems with unmatched perturbations. The combination of integral high-order sliding modes with the hierarchical quasi-continuous controller is proposed allowing finite-time exact compensation of unmatched perturbations with semiglobal convergence features for both regulation and tracking.
No takes yet. Share an insight, caveat, or question.
Estrada et al. (2010) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: