Journal
NEUROCOMPUTING
Volume 417, Issue -, Pages 322-332Publisher
ELSEVIER
DOI: 10.1016/j.neucom.2020.08.063
Keywords
T-S fuzzy systems; Networked control systems; Event-triggered scheme; Data losses; Slack matrices
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Funding
- National Natural Science Foundation of China [61922044, 61873330, 61973166]
- Taishan Scholarship Project of Shandong Province [tsqn20161032]
- Serbian Ministry of Education, Science and Technological Development [451-03-68/2020-14/200108]
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This paper is concerned with the design of fuzzy controller for networked control systems (NCSs). T-S fuzzy system approach is adopted to study the problem. In account of NCSs, various data missing on both sides of the controller caused by event-triggered scheme, data losses and event-driven controller are involved. For handling this issue, an auxiliary random series method is presented to describe the data transferring in the network. Based on this method, the closed-loop NCSs is constructed and then analyzed via Lyapunov stability theory. Additionally, the probability of random data losses at each instant is supposed to be different which is more practical. For the purpose of obtaining more relaxed stabilization conditions, the fuzzy Lyapunov function obtained on the basis of both plant and controller fuzzy rules is employed. Furthermore, variations of membership functions are taken into account, and consequently, slack matrices are introduced to obtain less conservative result. At last, by considering a cart-damper-spring system, the effectiveness of the proposed method is illustrated. (C) 2020 Elsevier B.V. All rights reserved.
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