Discontinuous piecewise quadratic Lyapunov functions for planar piecewise affine systems

被引:21
|
作者
Eghbal, Najmeh [1 ]
Pariz, Naser [1 ]
Karimpour, Ali [1 ]
机构
[1] Ferdowsi Univ Mashhad, Dept Elect Engn, Mashhad, Iran
关键词
Discontinuous Lyapunov functions; Piecewise affine systems; Stability analysis; DYNAMICAL-SYSTEMS; STABILITY;
D O I
10.1016/j.jmaa.2012.09.054
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
For planar piecewise affine systems, this paper proposes sufficient stability conditions based on discontinuous Lyapunov functions. The monotonicity condition for discontinuous functions at switching instants is presented based on the behavior of state trajectories on the switching surfaces. First, the stability conditions are derived for a typical multiple Lyapunov function and then these conditions are formulated as a set of linear matrix inequalities for piecewise quadratic Lyapunov functions. The implementation of the proposed method is illustrated by an example. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码:586 / 593
页数:8
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