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Article Dans Une Revue IEEE Control Systems Letters Année : 2023

A hybrid redesign for robust stabilization without unit input

Résumé

We propose a redesign strategy to avoid an arbitrary value of the input signal. With a hybrid architecture based on a switching logic with two modes we obtain robust global asymptotic stability and ensure that the input never takes the unwanted value, while preserving the nominal closed-loop behaviour in a neighbourhood of the origin. In the case where the minimization problem is too computationally expensive, we provide a simpler, albeit more conservative, way to determine the scaling factor. We then present a nonlinear generalization to a fairly general class of input-affine nonlinear systems. Numerical examples are used to illustrate the theoretical results.
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Dates et versions

hal-04253611 , version 1 (22-10-2023)

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Citer

Riccardo Ballaben, Uros Sutulovic, Davide Invernizzi, Luca Zaccarian. A hybrid redesign for robust stabilization without unit input. IEEE Control Systems Letters, 2023, 7, pp.2575-2580. ⟨10.1109/LCSYS.2023.3287670⟩. ⟨hal-04253611⟩
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