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Network-based output tracking control for a class of T-S fuzzy systems that can not be stabilized by nondelayed output feedback controllers

journal contribution
posted on 06.12.2017, 00:00 by Dawei ZhangDawei Zhang, Qing-Long HanQing-Long Han, Xin-Chun JiaXin-Chun Jia
This paper investigates network-based output tracking control for a T-S fuzzy system that can not be stabilized by a nondelayed fuzzy static output feedback controller, but can be stabilized by a delayed fuzzy static output feedback controller. By intentionally introducing a communication network that produces proper network-induced delays in the feedback control loop, a stable and satisfactory tracking control can be ensured for the T-S fuzzy system. Due to the presence of network-induced delays, the fuzzy system and the fuzzy tracking controller operate in an asynchronous way. Taking the asynchronous operation and network-induced delays into consideration, the network-based tracking control system is modeled as an asynchronous T-S fuzzy system with an interval time-varying delay. A new delay-dependent criterion for L2-gain tracking performance is derived by using the deviation bounds of asynchronous normalized membership functions and a complete Lyapunov-Krasovskii functional. Applying a particle swarm optimization technique with the feasibility of the derived criterion, a novel design algorithm is presented to determine the minimum L2-gain tracking performance and control gains simultaneously. The effectiveness of the proposed method is illustrated by performing network-based output tracking control of a Duffing-Van der Pol's oscillator.

History

Volume

45

Issue

8

Start Page

1511

End Page

1524

Number of Pages

14

eISSN

2168-2275

ISSN

2168-2267

Location

United States

Publisher

Institute of Electrical and Electronics Engineers

Language

en-aus

Peer Reviewed

Yes

Open Access

No

Era Eligible

Yes

Journal

IEEE transactions on cybernetics.