Quantized H∞control for networked control systems with random delays

  • Authors:

  • Dan-Li Wen;Guang-Hong Yang

  • Affiliations:

  • College of Information Science and Engineering, Northeastern University, Shenyang, P.R. China and Shenyang Normal University, Shenyang, P.R. China;College of Information Science and Engineering, Northeastern University, Shenyang, P.R. China

  • Venue:
  • CCDC'09 Proceedings of the 21st annual international conference on Chinese Control and Decision Conference
  • Year:
  • 2009

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Abstract

This paper is concerned with the quantized state feedback H∞ control problem for networked control systems with random communication delays. The quantizer considered here is dynamic and composed of an adjustable "zoom" parameter and a static quantizer. By using a quantized random delay model, the effect of the quantization and the random delays on the system performance is studied. A quantized H∞ control strategy is derived, with a condition on the quantizer range and error bound satisfied, such that the quantized closed-loop system is exponentially mean-square stable and with a prescribed H∞ performance bound. An example is presented to illustrate the effectiveness of the proposed method.