Finite-time output feedback stabilization of planar switched systems with/without an output constraint

An output feedback control strategy is presented in this paper to make planar switched systems with or without an output constraint finite-time stable. By incorporating a common constructed tangent-type barrier Lyapunov function, the so-called adding a power integrator technique is revamped to desig...

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Bibliographic Details
Published in:Automatica (Oxford) 2021-09, Vol.131, p.109728, Article 109728
Main Authors: Lin, Xiangze, Chen, Chih-Chiang
Format: Article
Language:English
Subjects:
Finite-time stabilization
Output constraint
Output feedback
Planar switched systems
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Summary:An output feedback control strategy is presented in this paper to make planar switched systems with or without an output constraint finite-time stable. By incorporating a common constructed tangent-type barrier Lyapunov function, the so-called adding a power integrator technique is revamped to design state feedback controllers systematically. Then, reduced-order switched observers are constructed deliberately so that the finite-time output feedback stabilization of planar switched systems can be realized with the output constraint guaranteed. The method proposed in this paper is in a unified form in the sense that, with no need of changing controllers and observers structures, it works for planar switched systems with or without an output constraint.
ISSN:0005-1098
1873-2836
DOI:10.1016/j.automatica.2021.109728