Describing function analysis of second-order sliding mode observers

被引：9
|
作者：
Boiko, I.
Castellanos, M. I.
Fridman, L.
机构：
[1] Univ Nacl Autonoma Mexico, Fac Ingn, Dept Control, Div Elect Engn, Mexico City 04510, DF, Mexico
[2] Univ Calgary, Calgary, AB, Canada
[3] Univ Nacl Autonoma Mexico, Mexico City 04510, DF, Mexico
[4] Univ Autonomous Juarez City, Ciudad Juarez, Mexico
来源：
INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE | 2007年 / 38卷 / 10期
关键词：
sliding mode; observers; frequency-domain methods; describing function;
D O I：
10.1080/00207720701620118
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The second- order sliding mode observer dynamics are analyzed in the frequency domain. The so- called super- twisting algorithm is utilized for generating the second- order sliding mode in the observer dynamical system. The frequency response of the observer dynamics is obtained and used as a characteristic of the observer. The analysis proposed is based on the describing function method and the concept of the equivalent gains of nonlinear functions of the super- twisting algorithm.
引用
收藏
页码：817 / 824
页数：8
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