Finite-time and fixed-time stabilization: Implicit Lyapunov function approach

Andrey Polyakov 1 Denis Efimov 1 Wilfrid Perruquetti 1, 2
1 NON-A - Non-Asymptotic estimation for online systems
Inria Lille - Nord Europe, CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
Abstract : Theorems on Implicit Lyapunov Functions (ILF) for finite-time and fixed-time stability analysis of nonlinear systems are presented. Based on these resutls, new nonlinear control laws are designed for robust stabilization of a chain of integrators. High order sliding mode (HOSM) algorithms are obtained as particular cases. Some aspects of digital implementations of the presented algorithms are studied, it is shown that they possess a chattering reduction ability. Theoretical results are supported by numerical simulations.
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Andrey Polyakov, Denis Efimov, Wilfrid Perruquetti. Finite-time and fixed-time stabilization: Implicit Lyapunov function approach. Automatica, Elsevier, 2015, 51, pp.332 - 340. ⟨10.1016/j.automatica.2014.10.082⟩. ⟨hal-01098099⟩

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