摘要
研究了寻找三阶系统族的共同二次Lyapunov函数问题.针对给定的稳定的三阶系统提出了寻找二次Lyapunov函数集的方法,然后获得了三阶系统族具有共同二次Lyapunov函数的充分条件.该充分条件易于构造,从而具有较强的工程实用性.文中实例验证了所得结果的有效性.
This paper considers the problemof finding a common quadratic Lyapunov function for a set of third order systems. Firstly, for a given stable third order system, the method to seek the set of quadratic Lyapunov functions is proposed, and then, a sufficient condition for a set of third order systems to share a common quadratic Lyapunov function is obtained. The proposed sufficient condition is easy to be constructed and applied. Finally, an example is given to verify the effectiveness of the obtained results.
出处
《控制理论与应用》
EI
CAS
CSCD
北大核心
2006年第2期235-239,共5页
Control Theory & Applications
基金
天津市高等学校科技发展基金资助项目(20051527)
关键词
共同二次Lyapunov函数
正交变换
切换系统
common quadratic Lyapunov function (QLF)
orthogonal transformation
switched system