Dynamic output feedback control of networked system with communication constraints

Abstract

Abstract: In this paper, the design of dynamic output feedback controller in networked control systems is studied for a class of networked control systems with access constraints and time-varying delays. Considering that the media access constraint obeys Markov distribution and the upper bound of time-varying delay is less than one sampling period, the networked control system should be built into a kind of uncertain time-discrete Markov jump system in modeling of the system. According to the Lyapunov stability theory and the state augmentation method, the sufficient conditions for the asymptotic stability of the closed-loop networked control system are therefore given, and a dynamic output feedback controller may be designed to make the closed-loop system asymptotically stable. Finally, a numerical example is provided to demonstrate the correctness and effectiveness of the proposed modeling method.

Key words: networked control system, medium access constraints, time-varying delay, dynamic output feedback

CLC Number:

TP18

ZHU Chao-qun, LI Liu-yang, JIN Hui. Dynamic output feedback control of networked system with communication constraints[J]. Journal of Lanzhou University of Technology, 2021, 47(1): 83-90.

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