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Model-dependent Scheduling and H-infinity Control Co-design for Networked Control Systems

Shunli Zhao* and Yuehui Ji
International Journal of Control, Automation, and Systems, vol. 19, no. 2, pp.969-979, 2021

Abstract : In this paper, a novel model-dependent scheduling scheme is proposed for the networked control systems with time-delay, disturbance, and medium access constraints. The scheduler calculates the error between the ideal dynamic and the real system, and selects the states that make the stability of the system better to access the network. In addition, two kinds of representative time-delays in the networked control systems, constant time-delay and random time-delay, are considered. A robust H-infinity and switched-system-based co-design strategy is introduced to deal with the disturbance in the system, and the system uncertainty introduced by the random time-delay as well. Finally, illustrative examples are given to demonstrate the effectivity of the proposed scheduling method and the co-design scheme.

Keyword : Co-design, medium access constraint, model-dependent scheduling, switched system.

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