A POINTWISE CRITERION FOR CONTROLLER ROBUSTNESS

被引：26
|
作者：
SCHUMACHER, JM
机构：
[1] CTR MATH & COMP SCI,1009 AB AMSTERDAM,NETHERLANDS
[2] TILBURG UNIV,DEPT ECON,5000 LE TILBURG,NETHERLANDS
来源：
SYSTEMS & CONTROL LETTERS | 1992年 / 18卷 / 01期
关键词：
STABILITY; ROBUSTNESS; GAP METRIC; MINIMAL ANGLE;
D O I：
10.1016/0167-6911(92)90102-X
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We present a pointwise criterion for controller robustness with respect to stability. The term 'point' here refers to complex frequency in the right half plane. The proposed test is based on the concept of the minimal angle between subspaces determined by the plant and the compensator. The test leads to separate balls of uncertainty at each frequency, and may therefore help to reduce conservativeness in the analysis of robustness.
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页码：1 / 8
页数：8
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