Output feedback control of unstable nonminimum phase systems

被引：0
|
作者：
Wang, Weibing [1 ]
机构：
[1] Harbin Univ Sci & Technol, Coll Comp Sci & Technol, Harbin 150080, Peoples R China
来源：
2006 CHINESE CONTROL CONFERENCE, VOLS 1-5 | 2006年
关键词：
non-minimum-phase; H infinity output feedback; robustness; bandwidth design;
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：
The H-infinity output feedback control of an unstable non-minimum-phase plant is far less robust. The difficulties of control of such a plant are analysed from the viewpoint of system's bandwidth: the bandwidth for control of a non-minimum-phase plant must be narrow, and the control of an unstable plant need a rather wider bandwidth. It is pointed out that a fast feedback loop must be designed first to stabilize the unstable dynamics. Then is the narrow bandwidth loop for the resulting non-minimum-phase but stable plant. Such an approach will give a robust design as illustrated by an example.
引用
收藏
页码：2019 / 2022
页数：4
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