H∞ control for a class of wireless networked control systems

This paper investigates the H∞ control problem for a class of wireless networked control system (NCS). Both time delays and packet losses are considered simultaneously in the wireless communication networks. Under some assumptions, a switched system model with time-varying delays is established to describe the closed-loop system, by which the effect of packet losses is dealt differently from time delays. Based on the obtained model, a sufficient condition is proposed to guarantee the closed-loop system stable and ensure a proscribed H∞ performance level. At last, an example is given to illustrate the effectiveness of the proposed approach.

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