H-infinity robust control for networked systems with access constraints and packet dropout

Abstract

Abstract: In this paper, the design problem of H-infinity robust control is investigated for networked systems with access constraints and packet dropout. Firstly, the Bernoulli random process is utilized to describe the packet loss process of the networked system, and a discrete-time Markov jump system model is established according to the random-access mechanism of medium access constraints. Secondly, sufficient conditions for stochastic stability of the closed-loop system are derived by using Lyapunov stability theory and LMI technology. Correspondingly, H-infinity robust controller is designed to render the closed-loop system stochastic stability with the given H-infinity performance. Finally, an example is given to verify the correctness and effectiveness of the proposed control method.

Key words: networked control system, medium access constraint, packet dropout, H-infinity robust control

CLC Number:

TP273

ZHU Chao-qun, YAO Xing-qi. H-infinity robust control for networked systems with access constraints and packet dropout[J]. Journal of Lanzhou University of Technology, 2024, 50(5): 86-93.

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