Robust stability of Sampled-Data Control Systems

被引：0
|
作者：
Liu Yanwen [1 ]
Guo Qingyong [1 ]
Wang Yuanhui [1 ]
Zhang Songtao [1 ]
机构：
[1] Harbin Engn Univ, Coll Automat, Harbin 150001, Peoples R China
来源：
2014 33RD CHINESE CONTROL CONFERENCE (CCC) | 2014年
关键词：
sampled-data control system; lifting technique; robust stability; conservative;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Because the inter-sample behavior can be considered, the lifting technique now becomes the unique method for design and analysis of sampled-data systems. However, when we consider the robust stability problem by using the small gain theorem, the state transition operator is zero, and the current lifting algorithms can not be used directly. The lifting computation formulas for the case of the robust stability analysis are derived in detail. Further study shows that when the lifting technique is used for robust stability analysis, its result is conservative. A new discretization method for robust stability analysis is proposed in the paper, and it is not conservative when the condition of the small gain theorem is used. Two examples are given here to illustrate the above ideas.
引用
收藏
页码：4222 / 4227
页数：6
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