Towards ℓ2-stability of discrete-time reset control systems via dissipativity theory

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    Abstract

    This paper proposes conditions on input-output stability of discrete-time reset systems by using some key dissipativity properties. In the continuous-time setting, dissipativity of the base linear system is preserved under reset actions if the storage function is decreasing at reset times. Indeed, when the reset system is a full reset system, the dissipativity of the base linear system ensures the dissipativity of the reset system. However, in the discrete-time setting, this condition on the storage function is not enough to ensure the dissipativity of the base linear system. We define some dissipativity properties of discrete-time reset systems and give an appropriate definition of the reset system in order to preserve the (Q,S,R)-dissipativity of the base linear system under reset actions. As a result, ℓ2-stability of feedback interconnected dissipative control reset systems is obtained. © 2013 Published by Elsevier B.V.
    Original languageEnglish
    Pages (from-to)525-530
    Number of pages5
    JournalSystems and Control Letters
    Volume62
    Issue number6
    DOIs
    Publication statusPublished - 2013

    Keywords

    • ℓ2- stability
    • Discrete-time reset control systems
    • Dissipativity

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