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计算机工程 ›› 2010, Vol. 36 ›› Issue (20): 32-33.doi: 10.3969/j.issn.1000-3428.2010.20.011

• 博士论文 • 上一篇    下一篇

时变时滞NCS控制器的改进设计

刘自鑫1a,2，吕 恕1a，钟守铭1a，叶 茂1b   

  1. (1. 电子科技大学 a. 应用数学学院；b. 计算机科学与工程学院，成都 611731；2. 贵州财经学院数学与统计学院，贵阳 550004)
  • 出版日期:2010-10-20 发布日期:2010-10-18
  • 作者简介:刘自鑫(1977－)，男，讲师、博士研究生，主研方向： 网络化控制系统，时滞系统；吕 恕，副教授、博士研究生；钟守铭、叶 茂，教授、博士生导师
  • 基金项目:

    国家“973”计划基金资助项目(2010CB732501)；教育部新世纪优秀人才支持计划基金资助项目(NCET-06-0811)；贵州省科学技术基金资助项目([2010]2139)

Improved Design of Time-varying Delay NCS Controller

LIU Zi-xin1a,2, LV Shu1a, ZHONG Shou-ming1a, YE Mao1b   

  1. (1a. School of Applied Mathematics; 1b. School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China; 2. School of Mathematics and Statistics, Guizhou College of Finance and Economics, Guiyang 550004, China)
  • Online:2010-10-20 Published:2010-10-18

PDF

1249

被引次数

3 | 1

摘要：

建立时滞差分不等式，得到网络化控制系统(NCS)的指数稳定判据，基于该判据设计NCS状态反馈控制器。该设计以线性矩阵不等式(LMI)形式给出，不包含任何自由矩阵，通过Matlab中的LMI工具箱进行求解。数值仿真结果表明，该设计具有计算量小、求解方便、保守性弱的特点。

关键词: 网络化控制系统, 时变时滞, 线性矩阵不等式, 指数稳定

Abstract:

This paper obtains an exponential stability criterion of Networked Control System(NCS) by constructing a delayed difference inequality. On the basis of this new established criterion, it designs a feedback controller in the form of Linear Matrix Inequality(LMI). It does not contain any free-weighting matrices, and can be solved by LMI toolbox in Matlab software. Numerical value simulation result shows that this design has less computational complexity and conservatism, and it is convenient to implement.

Key words: Networked Control System(NCS), time-varying delay, Linear Matrix Inequality(LMI), exponential stable

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