On two hybrid robust optimal stabilization problems
Résumé
We report on some recent results obtained by the authors concerning robust hybrid stabilization of control systems. We stated a result of semi-global minimal time robust stabilization for analytic control systems with controls entering linearly, by means of a hybrid state feedback law, under the main assumption of the absence of minimal time singular trajectories. We investigated the Martinet case, which is a model case in $\R^3$ where singular minimizers appear, and show that such a stabilization result still holds. Namely, in both cases, we prove that the solutions of the closed-loop system converge to the origin in quasi minimal time (for a given bound on the controller) with a robustness property with respect to small measurement noise, external disturbances and actuator errors.
Domaines
Optimisation et contrôle [math.OC]
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