首页|Resilient stabilization of discrete-time Takagi-Sugeno fuzzy systems: Dynamic trade-off between conservatism and complexity
Resilient stabilization of discrete-time Takagi-Sugeno fuzzy systems: Dynamic trade-off between conservatism and complexity
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NSTL
Elsevier
This paper is concerned with the problem of developing more efficient stabilization conditions for discrete-time Takagi-Sugeno fuzzy systems, i.e., not only reducing the conservatism but also (at the same time) alleviating the complexity of fuzzy control synthesis. Firstly, under the framework of traditional fuzzy stabilization, the recent multiple-sums-based method reported in the literature is improved by removing all the redundant variables, and thus the same feasible stabilization range can be obtained at the cost of more economical computational burden. Secondly, in order to further enhance the control efficiency, a dynamic trade-off between conservatism and complexity is established by proposing a new online evaluator of the updated system variation information across two adjacent sampling instants, and thus the so-called resilient stabilization is developed for reducing the conservatism without increasing or even alleviating the complexity. Moreover, all the determined matrices at the farthest sampling instant can be entirely removed without introducing any conservatism due to the proposed substitution technique. Finally, the superiority and effectiveness of our proposed methods are illustrated by a set of simulation comparisons with relevant research results reported in recent literature.
Control efficiencyFuzzy stabilizationFuzzy systemsRelaxationResilient stabilization
Xie X.、Yue D.、Lu J.
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Institute of Advanced Technology Nanjing University of Posts and Telecommunications
College of Automation and College of Artificial Intelligence Nanjing University of Posts and Telecommunications
NSTL
Elsevier
