Global stabilization of linear systems with bounded controls using state-dependent saturation functions

被引：0
作者：
Bin Zhou
Guangren Duan
He Kong
机构：
[1] Harbin Institute of Technology,Center for Control Theory and Guidance Technology
来源：
Journal of Systems Science and Complexity | 2011年 / 24卷
关键词：
Bounded feedback; global stabilization; nonlinear control; state-dependent saturation functions; -stable polynomials;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
By using the so-called SP-stable polynomials, this paper reconsiders the problem of global stabilization of linear systems with input saturation. Firstly, a new nonlinear feedback law consisting of parallel connections of saturation functions by means of the so-called state-dependent saturation function is proposed for global stabilization of chains of integrators system. The state-dependent saturation function allows increasing the control energy when some of the states are badly scaled and can improve significantly the transient performances of the closed-loop system. Secondly, this type of global stabilization nonlinear feedback laws is extended to a class of linear systems that can be globally stabilized by bounded controls. Numerical examples show the effectiveness of the proposed approach.
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页码：477 / 490
页数：13
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