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Improved Stability Criteria for Discrete-Time Switched T-S Fuzzy Systems
- Authors
- Fei, Zhongyang; Shi, Shuang; Wang, Tong; Ahn, Choon Ki
- Issue Date
- 2월-2021
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Extended mode-dependent average dwell-time; stability analysis; switched Takagi-Sugeno (T-S) fuzzy system
- Citation
- IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS, v.51, no.2, pp.712 - 720
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
- Volume
- 51
- Number
- 2
- Start Page
- 712
- End Page
- 720
- ISSN
- 2168-2216
- Abstract
- This paper concerns with the stability analysis for a class of discrete-time switched Takagi-Sugeno (T-S) fuzzy systems. By establishing a semitime-dependent Lyapunov function and exploring the property of mode-dependent average dwell-time switching, improved stability criteria are provided for switched T-S fuzzy systems containing both stable and unstable modes. Then, slow and fast switching strategies are designed, which are adopted for stable and unstable subsystems, respectively. Especially, we also provide the stability conditions for switched systems with all modes stable and unstable. Finally, the validities and advantages of provided techniques are illustrated by some simulation examples.
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