MULTIVARIABLE SYSTEM SIMPLIFICATION USING MOMENT MATCHING AND OPTIMIZATION

被引:4
作者
TAIWO, O [1 ]
KREBS, V [1 ]
机构
[1] UNIV KARLSRUHE, INST REGELUNGS & STEURERUNGSSYST, D-76128 KARLSRUHE, GERMANY
来源
IEE PROCEEDINGS-CONTROL THEORY AND APPLICATIONS | 1995年 / 142卷 / 02期
关键词
MULTIVARIABLE CONTROL SYSTEMS;
D O I
10.1049/ip-cta:19951738
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A generalised formulation of the moment matching problem, which encompasses previous formulations and is applicable to non-square continuous and discrete systems, is presented. The formulation entails points about which moments can be matched. These points can be specified either by trial and error or by means of optimisation, so that the reduced model has desirable properties such as stability and accuracy. Novel properties of Pade approximants for non-square systems are elucidated, and details of the approach are illustrated by means of examples.
引用
收藏
页码:103 / 110
页数:8
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