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The Design of Robust Controller for Networked Control System with Time Delay

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  • Zhongda Lu
  • Lijing Wang
  • Fengbin Zhang
  • Fengxia Xu

Abstract

This paper considers the stability and control problem of networked control systems with time delay. Taking into account the influence of network with delay, unknown input disturbance, and uncertainties of the system modeling, meanwhile we establish a precise, closed-loop model for networked control systems with time delay. By selecting a proper Lyapunov-Krasovskii function and using Lyapunov theorem, a sufficient condition for stability of the system in the form of LMI is demonstrated, corresponding controller parameters are acquired, and the convergence of the control algorithm is proved. The simulation example shows that the construction of the network robust control system with time delay indeed improves the stability performance of the system, which indicates the effectiveness of the design.

Suggested Citation

  • Zhongda Lu & Lijing Wang & Fengbin Zhang & Fengxia Xu, 2015. "The Design of Robust Controller for Networked Control System with Time Delay," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-8, June.
    • Handle: RePEc:hin:jnlmpe:189013
    DOI: 10.1155/2015/189013
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