A DISCRETE-TIME DOUBLY COPRIME FACTORIZATION BASED ON THE PREDICTOR-BASED LQG CONTROLLER

被引：1
|
作者：
ISHIHARA, T
WATANABE, T
ZHENG, LA
INOOKA, H
机构：
[1] Department of Mechanical Engineering, Tohoku University, Aobaku, Sendai, 980, Armaki aza Aoba
来源：
INTERNATIONAL JOURNAL OF CONTROL | 1992年 / 55卷 / 05期
关键词：
D O I：
10.1080/00207179208934279
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Based on the predictor-based LQG controller, we derive a state-space representation of a discrete-time doubly coprime factorization. This representation can easily be obtained by applying standard numerical methods for a state-space model of a plant. We find a simple relation between the factorizations for different delays. Then we propose a simple and convenient parameterization of all stabilizing controllers under general feedback delays. By this parametrization, we can easily apply various new design techniques, which are usually proposed for continuous-time systems, to discrete-time systems under general feedback delays. As an application, we discuss loop transfer recovery using the free parameter in the proposed parametrization.
引用
收藏
页码：1201 / 1218
页数：18
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