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一类线性不确定切换系统的鲁棒镇定
引用本文:顾则全,刘贺平,李晓理,廖福成.一类线性不确定切换系统的鲁棒镇定[J].北京科技大学学报,2007,29(12):1273-1275.
作者姓名:顾则全  刘贺平  李晓理  廖福成
作者单位:1. 北京科技大学信息工程学院,北京,100083
2. 北京科技大学应用科学学院,北京,100083
基金项目:国家自然科学基金 , 北京市教委重点学科建设项目 , 北京科技大学422高层次引进人才基金
摘    要:考虑一类标称系统存在统一Lyapunov函数的线性不确定切换系统的鲁棒镇定问题,在不确定项满足一定限定条件下,利用完备性条件和统一Lyapunov函数方法,设计出鲁棒状态反馈控制器,使闭环系统仍然具有统一Lyapunov函数,从而在任意的切换策略下,确保闭环系统在其平衡点处是渐近稳定的. 仿真结果表明所设计的控制器是有效的.

关 键 词:切换系统  完备性  Lyapunov函数  状态反馈  鲁棒镇定  线性  不确定切换系统  鲁棒镇定  linear  systems  uncertain  class  stabilization  反馈控制器  仿真结果  渐近稳定  平衡点  切换策略  闭环系统  状态  设计  函数方法  完备性条件  利用  限定条件  不确定项
收稿时间:2006-09-04
修稿时间:2007-03-15

Robust stabilization for a class of uncertain switched linear systems
GU Zequan,LIU Heping,LI Xiaoli,LIAO Fucheng.Robust stabilization for a class of uncertain switched linear systems[J].Journal of University of Science and Technology Beijing,2007,29(12):1273-1275.
Authors:GU Zequan  LIU Heping  LI Xiaoli  LIAO Fucheng
Abstract:Robust stabilization for a class of uncertain switched linear systems whose nominal systems have a common Lyapunov function was considered. With the certain restriction of uncertainty, a kind of robust controller of state feedback was constructed by using the completeness condition and common Lyapunov function technique. The closed-loop system still has a common Lyapunov function. The designed controller can guarantee the states of the closed-loop system asymptotically stable at the equilibrium point under an arbitrary switching strategy. Simulation result shows the validity of the designed controller.
Keywords:switched linear systems  completeness  Lyapunov function  state feedback  robust stabilization
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