摘要
基于LMI和H∞控制理论,研究了一类具有不确定和时滞的线性切换系统的鲁棒二次镇定H∞控制问题.利用多Lyapunov函数技术构造线性矩阵不等式,在基于状态的切换规则下,给出了这类系统鲁棒二次镇定且具有H∞性能界的充分条件,以及切换规则和鲁棒H∞切换控制器的设计方案.最后用数值例子对所得结果加以验证,表明了文中给出结果的有效性.
This paper addresses the problem of robust quadratic stabilization H∞control for a class of linear switched systems with uncertain multiple time-varying delays in state and input based on LMI and H∞theory.Based on multiple Lyapunov function techniques and by constructing linear matrix inequalities,several sufficient conditions for the problem to be solvable are derived by using a state-based switching law.Meanwhile,robust H∞controllers for each subsystem and switching law are designed.A numerical example shows effec-tiveness of the method.
出处
《应用科学学报》
EI
CAS
CSCD
北大核心
2011年第3期316-324,共9页
Journal of Applied Sciences
基金
国家自然科学基金(No.30870573
No.60971107)
辽宁省教育厅2011年度高等学校科研项目基金资助
关键词
时滞切换系统
二次镇定
H∞控制
多LYAPUNOV函数
线性矩阵不等式
time-delay switched systems
quadratic stabilization
H∞ control
multiple Lyapunov function
linear matrix inequality(LMI)