Necessary and sufficient conditions for regional stabilisability of second-order switched linear systems with a finite number of subsystems |
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Authors: | Yue Yang Cheng Xiang Tong Heng Lee |
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Affiliation: | Department of Electrical and Computer Engineering, National University of Singapore, Singapore |
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Abstract: | In this paper, the switching stabilisation problem of second-order switched linear systems is studied. By extending the best case switching signal (BCSS) criteria for second-order switched linear systems with two subsystems to the general case with any finite number of subsystems, necessary and sufficient conditions for regional stabilisability of second-order switched linear systems with any finite number of subsystems are proposed in this paper. The main idea of this paper is to divide all the subsystems in a region into two groups based on their trajectory directions in that region. By comparing pairwise, the most “stable” subsystem for each group in a region can be determined and the BCSS analysis among all the subsystems in that region is reduced to the BCSS analysis between the two most “stable” subsystems in that region. |
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Keywords: | Switched systems Stabilisability Geometric methods Best case switching signal |
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