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H-infinity performance optimization for networked control systems with limited communication channels
journal contributionposted on 06.12.2017, 00:00 by Yu-Long WangYu-Long Wang, Guang-Hong YangGuang-Hong Yang
This paper studies the problems of H-infinity performance optimization and controller design for continuous time NCSs with both sensor-to-controller and controller-to-actuator communication constraints (limited communication channels). By taking the derivative character of network-induced delay into full consideration and defining new Lyapunov functions, linear matrix inequalities (LMIs)-based H-infinity performance optimization and controller design are presented for NCSs with limited communication channels. If there do not exist any constraints on the communication channels, the proposed design methods are also applicable. The merit of the proposed methods lies in their less conservativeness, which is achieved by avoiding the utilization of bounding inequalities for cross products of vectors. The simulation results illustrate the merit and effectiveness of the proposed H-infinity controller design for NCSs with limited communication channels.