期刊
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
卷 51, 期 8, 页码 4858-4867出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSMC.2019.2945500
关键词
Decentralized control; Symmetric matrices; Fuzzy systems; Biological system modeling; Nonlinear systems; Actuators; Graph theory; Distributed control; interconnected systems; networked nonlinear systems; Takagi-Sugeno (TS) fuzzy models
资金
- CNPq
- CAPES
- FAPEMIG
- 111 Project [B16014]
This article addresses the design of nonlinear distributed control laws for continuous-time networked nonlinear heterogeneous systems with bounded sector nonlinear interconnections. New sufficient conditions are derived in terms of linear matrix inequalities, taking into account state constraints and actuators saturation, which can reduce conservatism over decentralized and linear distributed control laws derived following the same method. The closed-loop system can be made asymptotically stable while maximizing the estimate of the domain of attraction (DoA).
This article deals with the problem of designing nonlinear distributed control laws for continuous-time networked nonlinear heterogeneous systems with bounded sector nonlinear interconnections. The networked system is a combination of interconnected Takagi-Sugeno (TS) fuzzy systems with nonlinear consequent subject to state and control input constraints. The new sufficient conditions, taking into account state constraints and actuators saturation, are derived in terms of linear matrix inequalities. Further, it is shown that the closed-loop system can be made asymptotically stable while reducing the conservatism over decentralized and linear distributed control laws derived following the same method. At the same time, the maximization of the estimate of the domain of attraction (DoA) for the closed-loop system is pursued. Finally, two cases are presented to illustrate the effectiveness of the proposed design approach: 1) an electrical power system composed of two-machine subsystems and 2) a network of multiple inverted pendulums connected by nonlinear springs.
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