Technical communique: Network-based feedback control for systems with mixed delays based on quantization and dropout compensation

  • Authors:
  • Rongni Yang;Peng Shi;Guo-Ping Liu;Huijun Gao

  • Affiliations:
  • Institute of Intelligent Control and Systems, Harbin Institute of Technology, Harbin 150001, China and Faculty of Advanced Technology, University of Glamorgan, Pontypridd, CF37 1DL, UK;Faculty of Advanced Technology, University of Glamorgan, Pontypridd, CF37 1DL, UK and School of Engineering and Science, Victoria University, Melbourne, Vic 8001, Australia;Faculty of Advanced Technology, University of Glamorgan, Pontypridd, CF37 1DL, UK and Center for Control Theory and Guidance Technology, Harbin Institute of Technology, Harbin 150001, China;Institute of Intelligent Control and Systems, Harbin Institute of Technology, Harbin 150001, China

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 2011

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Abstract

This paper deals with the problem of feedback control for networked systems with discrete and distributed delays subject to quantization and packet dropout. Both a state feedback controller and an observer-based output feedback controller are designed. The infinite distributed delay is introduced in the discrete networked domain for the first time. Also, it is assumed that system state or output signal is quantized before being communicated. Moreover, a compensation scheme is proposed to deal with the effect of random packet dropout through communication network. Sufficient conditions for the existence of an admissible controller are established to ensure the asymptotical stability of the resulting closed-loop system. Finally, a numerical example is given to illustrate the proposed design method in this paper.