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Stability analysis of switched homogeneous time-delay systems under synchronous and asynchronous commutation

Abstract : In this work, stability analysis for a class of switched nonlinear time-delay systems is performed by applying Lyapunov-Krasovskii and Lyapunov-Razumikhin approaches. It is assumed that each subsystem in the family is homogeneous (of positive or negative degree) and asymptotically stable in the delay-free setting. The cases of existence of a common or multiple Lyapunov-Krasovskii functionals and a common Lyapunov-Razumikhin function are explored. The scenarios with synchronous and asynchronous switching are considered, and it is demonstrated that depending on the kind of commutation, one of the frameworks for stability analysis outperforms another, but finally leading to similar restrictions for both types of switching (despite the asynchronous one seems to be more demanded). The obtained results are applied to mechanical systems having restoring forces with real-valued powers.
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https://hal.inria.fr/hal-03314543
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Submitted on : Thursday, August 5, 2021 - 9:39:48 AM
Last modification on : Tuesday, January 4, 2022 - 6:12:37 AM
Long-term archiving on: : Saturday, November 6, 2021 - 6:10:49 PM

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Alexander Aleksandrov, Denis Efimov. Stability analysis of switched homogeneous time-delay systems under synchronous and asynchronous commutation. Nonlinear Analysis: Hybrid Systems, Elsevier, 2021, 42, ⟨10.1016/j.nahs.2021.101090⟩. ⟨hal-03314543⟩

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