LOOP TRANSFER RECOVERY DESIGNS WITH AN UNKNOWN INPUT REDUCED-ORDER OBSERVER-BASED CONTROLLER

被引：7

作者：

ZASADZINSKI, M

DAROUACH, M

HAYAR, M

机构：

[1] CRAN (CNRS UA 821)—EARAL, EARAL, Université de Nancy 1, Cosnes Et Romain, 54400

来源：

INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL | 1995年 / 5卷 / 07期

关键词：

UNKNOWN INPUT OBSERVER; DISTURBANCE REJECTION; MATRIX FRACTION DESCRIPTION; EXACT LTR; H-INFINITY OPTIMIZATION;

D O I：

10.1002/rnc.4590050704

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a new approach to the loop transfer recovery (LTR) in linear multivariable control systems, based on the unknown input reduced-order observer-based controller. Two parametrization methods for all unknown input observers are presented; the first one is based on the matrix fraction description (MFD) and the second one is developed in RH(infinity). The LTR for both minimum and nonminimum phase systems are considered. An exact recovery, based on the unknown input observer, is provided for minimum phase systems. For non-minimum phase systems, an approximate recovery is obtained by minimizing the H-infinity norm of the recovery matrix.

引用

页码：627 / 648

页数：22

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