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Modeling and Output Feedback Control of Networked Control Systems with Both Time Delays; and Packet Dropouts

Author

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  • Li Qiu
  • Qin Luo
  • Shanbin Li
  • Bugong Xu

Abstract

This paper is concerned with the problem of modeling and output feedback controller design for a class of discrete-time networked control systems (NCSs) with time delays and packet dropouts. A Markovian jumping method is proposed to deal with random time delays and packet dropouts. Different from the previous studies on the issue, the characteristics of networked communication delays and packet dropouts can be truly reflected by the unified model; namely, both sensor-to-controller (S-C) and controller-to-actuator (C-A) time delays, and packet dropouts are modeled and their history behavior is described by multiple Markov chains. The resulting closed-loop system is described by a new Markovian jump linear system (MJLS) with Markov delays model. Based on Lyapunov stability theory and linear matrix inequality (LMI) method, sufficient conditions of the stochastic stability and output feedback controller design method for NCSs with random time delays and packet dropouts are presented. A numerical example is given to illustrate the effectiveness of the proposed method.

Suggested Citation

  • Li Qiu & Qin Luo & Shanbin Li & Bugong Xu, 2013. "Modeling and Output Feedback Control of Networked Control Systems with Both Time Delays; and Packet Dropouts," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-11, May.
    • Handle: RePEc:hin:jnlmpe:609236
    DOI: 10.1155/2013/609236
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