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具有不确定延迟的网络控制系统的控制方法研究

【作者】 王勇

【导师】 向峥嵘;

【作者基本信息】 南京理工大学 , 系统工程, 2004, 硕士

【摘要】 本文以国家自然科学基金项目《网络环境下的智能控制理论与方法研究》为研究背景,在回顾目前网络控制系统设计研究现状的基础上,探讨了网络诱导延迟在小于一个采样周期和可以大于一个采样周期两种情况下的反馈控制器设计问题。分别考虑采用状态反馈和输出反馈控制方法设计了使网络控制系统鲁棒稳定的控制器,利用LMI方法给出了闭环控制系统鲁棒稳定的充分条件和相应的控制器设计方法。最后,展望了网络控制系统的发展前景,指出今后有待进一步研究的理论与应用问题。

【Abstract】 This thesis is based on the project "Intelligent Control Theory and Method Research on Networked Control System (NCS)" which is funded by the National Natural Science Foundation. First, recent research progress on networked control system are introduced. Then, the controller design approach of state feedback and output feedback are proposed to stabilize NCS when network-induced delay is less than one sample period and may be more than one sample period, respectively. By using linear matrix inequality (LMI) approach, the sufficient conditions of robust stability for closed-loop NCS and the corresponding controllers design method are presented. Finally, the prospect of NCS and some issues that should be solved are pointed out in this thesis.

  • 【分类号】TP273.5
  • 【被引频次】7
  • 【下载频次】375
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