不确定线性2-D离散系统的鲁棒滑模控制

被引:3
作者
吴立刚
王常虹
高会军
机构
[1] 哈尔滨工业大学空间控制与惯性技术研究中心
关键词
滑模控制; 二维系统; 离散系统; 不确定性; 线性矩阵不等式;
D O I
10.13195/j.cd.2007.02.30.wulg.006
中图分类号
TP13 [自动控制理论];
学科分类号
0711 ; 071102 ; 0811 ; 081101 ; 081103 ;
摘要
针对不确定线性离散二维(2-D)系统,研究了其鲁棒稳定性、鲁棒镇定和鲁棒滑模控制问题.基于线性矩阵不等式的方法推导了该系统鲁棒渐近稳定的充分条件,并给出了系统状态反馈镇定器和理想滑动模态存在的充分条件.改进了离散时间滑模控制系统的趋近律方法,使得状态能够到达滑模面上产生理想的滑动模态,并将其推广应用到2-D离散系统中,综合了一类滑模控制器保证闭环系统鲁棒渐近稳定.仿真实例证实了该设计方法的有效性.
引用
收藏
页码:148 / 154+159 +159
页数:8
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