From local to global asymptotic stabilizability for weakly contractive control systems

A nonlinear control system is said to be weakly contractive in the control if the flow that it generates is non-expanding (in the sense that the distance between two trajectories is a non-increasing function of time) for some fixed Riemannian metric independent of the control. We prove in this paper...

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Bibliographic Details
Published in:Automatica (Oxford) 2021-02, Vol.124, p.109308, Article 109308
Main Authors: Brivadis, Lucas, Sacchelli, Ludovic, Andrieu, Vincent, Gauthier, Jean-Paul, Serres, Ulysse
Format: Article
Language:English
Subjects:
Asymptotic stability
Automatic
Engineering Sciences
Feedback stabilization
Mathematics
Nonlinear control systems
Optimization and Control
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Summary:A nonlinear control system is said to be weakly contractive in the control if the flow that it generates is non-expanding (in the sense that the distance between two trajectories is a non-increasing function of time) for some fixed Riemannian metric independent of the control. We prove in this paper that for such systems, local asymptotic stabilizability implies global asymptotic stabilizability by means of a dynamic state feedback. We link this result and the so-called Jurdjevic and Quinn approach.
ISSN:0005-1098
DOI:10.1016/j.automatica.2020.109308