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时变时滞不确定系统的鲁棒输出反馈控制
引用本文:苏宏业,王景成,周凯,褚健.时变时滞不确定系统的鲁棒输出反馈控制[J].自动化学报,1999,25(4):513-517.
作者姓名:苏宏业  王景成  周凯  褚健
作者单位:1.浙江大学工业控制技术研究所,杭州
基金项目:国家自然科学基金青年基金
摘    要:研究了时变时滞不确定系统基于状态观测器的动态输出反馈实现鲁棒镇定的分 析和综合问题.所研究的系统不仅同时包含时变状态时滞和时变控制时滞,而且包含时变未 知且有界不确定参数.提出了确保该系统可通过输出反馈鲁棒镇定的充分条件,并将该充分 条件转化为线性矩阵不等式(LMI)问题,最终通过求解两个LMI来构造输出反馈控制律.

关 键 词:不确定线性时滞系统    时变时滞    动态输出反馈    二次镇定    线性矩阵不等式(LMI)
收稿时间:1997-3-28
修稿时间:1997-03-28

ROBUST OUTPUT FEEDBACK CONTROL FOR LINEAR TIME-VARYING UNCERTAIN TIME-DELAY SYSTEMS
SU Hongye,WANG Jingcheng,ZHOU Kai,CHU Jian.ROBUST OUTPUT FEEDBACK CONTROL FOR LINEAR TIME-VARYING UNCERTAIN TIME-DELAY SYSTEMS[J].Acta Automatica Sinica,1999,25(4):513-517.
Authors:SU Hongye  WANG Jingcheng  ZHOU Kai  CHU Jian
Affiliation:1.Institute of Industrial Process Control,Zhejiang University,Hangzhou
Abstract:This paper is focused on the problem of robust stabilizing of a class of uncertain linear time delay systems via observer based dynamic output feedback control law when the full states can not be measured. Systems under consideration are linear systems with time varying states and control delays, and also contain time varying unknown but bounded uncertain parameters. A sufficient condition for the robust output feedback stabilizability of the system is derived. The sufficient condition is transformed into a Linear Matrix Inequality(LMI) problem and the control law can be constructed by solving two LMIs.
Keywords:Uncertain linear time  delay systems  time  varying delay  dynamic output feedback  quadratic stabilization  linear matrix inequality(LMI)    
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