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Pré-Publication, Document De Travail Année : 2019

Guaranteed Control of Sampled Switched Systems using Semi-Lagrangian Schemes and One-Sided Lipschitz Constants

Résumé

In this paper, we propose a new method for ensuring formally that a controlled trajectory stay inside a given safety set S for a given duration T. Using a finite gridding X of S, we first synthesize, for a subset of initial nodes x of X , an admissible control for which the Euler-based approximate trajectories lie in S at t ∈ [0,T]. We then give sufficient conditions which ensure that the exact trajectories, under the same control, also lie in S for t ∈ [0,T], when starting at initial points "close" to nodes x. The statement of such conditions relies on results giving estimates of the deviation of Euler-based approximate trajectories, using one-sided Lipschitz constants. We illustrate the interest of the method on several examples, including a stochastic one.
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Dates et versions

hal-02066896 , version 1 (13-03-2019)

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Adrien Le Coënt, Laurent Fribourg. Guaranteed Control of Sampled Switched Systems using Semi-Lagrangian Schemes and One-Sided Lipschitz Constants. 2019. ⟨hal-02066896⟩
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