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Article Dans Une Revue Automatica Année : 2023

Characterizations of output controllability for LTI systems

Résumé

The objective of this paper is to make, in a simple and rigorous way, some contributions to the notion of output controllability. We first examine, for Linear Time-Invariant systems, the notion of state to output controllability, introduced in the 60s by Bertram and Sarachik. More precisely, we extend the Hautus test, well-known in the case of state controllability, to state to output controllability, and propose a controllability Gramian matrix, allowing us to build a continuous control achieving a transfer with minimal energy. We also give two other notions of output controllability, namely output to output and globally output to output controllability. For each of these two new notions, we give necessary and sufficient conditions, in terms of Kalman rank, Hautus test and Gramian matrices. All of these results are given in the framework of continuous time and discretized time systems. These results are illustrated by several numerical examples.
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Dates et versions

hal-03083128 , version 1 (18-12-2020)

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Baparou Danhane, Jérôme Lohéac, Marc Jungers. Characterizations of output controllability for LTI systems. Automatica, 2023, 154, pp.111104. ⟨10.1016/j.automatica.2023.111104⟩. ⟨hal-03083128⟩
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