A NOVEL DERIVATION METHODOLOGY FOR POLYNOMIAL-LQ CONTROLLER-DESIGN

被引：10
|
作者：
STERNAD, M
AHLEN, A
机构：
[1] The Systems and Control Group, Uppsala Uni versity, Uppsala
来源：
IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 1993年 / 38卷 / 01期
关键词：
D O I：
10.1109/9.186320
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 simple derivation methodology for optimization of linear quadratic (LQ) controllers is presented in the discrete-time polynomial systems framework. A control-law variation, regarded as a potential feedforward from the innovations, is used. Orthogonality is evaluated in the frequency domain, by collectively cancelling unstable poles by zeros. The suggested method, summarized as a three-step scheme, is exemplified on a disturbance measurement feedforward and an output feedback problem. It is a simple, more direct alternative to the ''completing-the-squares'' approach.
引用
收藏
页码：116 / 121
页数：6
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