Necessary and sufficient conditions for existence of decoupling controllers

被引：18
|
作者：
Lin, CA
机构：
[1] Department of Control Engineering, National Chiao-Tung University, Hsinchu
来源：
IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 1997年 / 42卷 / 08期
关键词：
decoupling controllers; multivariable systems;
D O I：
10.1109/9.618247
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
It is well known that if a linear time-invariant plant is free from coincidences of poles and zeros in the right half-plane, then it can be decoupled with internal stability under unity-feedback configuration, We consider plants for which such coincidences do occur and give necessary and sufficient conditions under which stabilizing decoupling controllers exist. The conditions derived, based on transfer matrices and residues, are simple and straightforward.
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页码：1157 / 1161
页数：5
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