基于LMI方法的网络化控制系统的H鲁棒控制

被引:43
作者
姜培刚
姜偕富
李春文
徐文立
不详
机构
[1] 清华大学自动化系
[2] 清华大学自动化系 北京
[3] 北京
基金
国家自然科学基金重点项目;
关键词
网络化控制系统; 时延; 不同步; LMI; H∞控制; 鲁棒控制;
D O I
10.13195/j.cd.2004.01.17.jiangpg.004
中图分类号
TP273.5 [];
学科分类号
080201 ; 0835 ;
摘要
为克服时延和不同步对系统性能产生的影响,将时延的不确定性转换为系统状态方程系数矩阵的不确定性,将网络化控制系统的状态向量扩张为增广状态向量,利用所提出的基于LMI的H∞鲁棒控制方法,通过状态的静态反馈控制,使得系统在没有外界未知扰动影响的情况下,闭环系统是二次稳定的;在系统存在外界未知扰动影响时,闭环系统具有较好的干扰抑制作用.仿真示例验证了该控制方法的有效性.
引用
收藏
页码:17 / 21+26 +26
页数:6
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