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Journal Articles (Review Article) Mathematics of Control, Signals, and Systems Year : 2023

The ISS framework for time-delay systems: a survey


At the occasion of Eduardo D. Sontag's 70 th birthday, we provide here an overview of the tools available to study input-to-state stability (ISS) and related notions for time-delay systems. After a hopefully pedagogical presentation of the main differences with respect to the finite-dimensional theory, we review basic stability concepts for input-free time-delay systems, as well as instruments to guarantee them in practice, including the Lyapunov-Krasosvkii, Lyapunov-Razumikhin, and Halanay approaches. We then consider the influence of inputs through the notions of ISS, integral ISS, and input-to-output stability and provide both Lyapunov-like and solutions-based characterizations of these properties. We also show how these notions can be helpful for the stability analysis of interconnected systems, whether in cascade or in feedback form. We finally provide a list of questions which remain open until now.
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Dates and versions

hal-03684326 , version 1 (08-06-2022)
hal-03684326 , version 2 (04-01-2023)



Antoine Chaillet, Iasson Karafyllis, Pierdomenico Pepe, Yuan Wang. The ISS framework for time-delay systems: a survey. Mathematics of Control, Signals, and Systems, 2023, ⟨10.1007/s00498-023-00341-w⟩. ⟨hal-03684326v2⟩
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