H∞ control synthesis via reduced-order LMIs

被引：2
|
作者：
Yu, J [1 ]
Sideris, A [1 ]
机构：
[1] Univ Calif Irvine, Dept Mech & Aerosp Engn, Irvine, CA 92697 USA
来源：
INTERNATIONAL JOURNAL OF CONTROL | 1998年 / 70卷 / 01期
关键词：
D O I：
10.1080/002071798222479
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Linear matrix inequality-based approaches for H-infinity control synthesis for systems with weighting functions possibly face numerical ill-conditioning and heavy computation. In this paper, by exploiting the potential pole/zero cancellation (mostly modes of weighting functions) in the closed-loop system, a new formulation is presented to find a full-order controller via reduced-order LMIs (linear matrix inequalities) and fewer decision variables. As a result, both numerical conditioning and numerical efficiency are improved. In addition, the new formulation is directly applicable to servomechanism problems where unstable disturbance dynamics are appended for robust regulation.
引用
收藏
页码：85 / 101
页数：17
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