Disturbance rejection for time-delay systems based on the equivalent-input-disturbance approache

被引：59

作者：

Liu, Rui-Juan ^{[1
,2
,3
]}

Liu, Guo-Ping ^{[2
,4
]}

Wu, Min ^{[1
,3
]}

Nie, Zhuo-Yun ^{[5
]}

机构：

[1] Cent S Univ, Sch Informat Sci & Engn, Changsha 410083, Hunan, Peoples R China

[2] Univ South Wales, Sch Engn, Pontypridd CF37 1DL, M Glam, Wales

[3] Hunan Engn Lab Adv Control & Intelligent Automat, Changsha 410083, Hunan, Peoples R China

[4] Harbin Inst Technol, CTGT Ctr, Harbin 150001, Peoples R China

[5] Natl Huaqiao Univ, Sch Informat Sci & Engn, Xiamen 361021, Peoples R China

来源：

JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 2014年 / 351卷 / 06期

基金：

中国国家自然科学基金;

关键词：

SLIDING MODE CONTROL; ROBUST STABILIZATION; NONLINEAR-SYSTEMS; DEAD-TIME; OBSERVER; STABILITY;

D O I：

10.1016/j.jfranklin.2014.02.015

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 disturbance rejection method for time-delay systems. The configuration of the control system is constructed based on the equivalent-input-disturbance (HD) approach. A modified state observer is applied to reconstruct the state of the time-delay plant. A disturbance estimator is designed to actively compensate for the disturbances. Under such a construction of the system, both matched and unmatched disturbances are rejected effectively without requiring any prior knowledge of the disturbance or inverse dynamics of the plant. The presentation of the closed-loop system is derived for the stability analysis and controller design. Simulation results demonstrate the validity and superiority of the proposed method. (C) 2014 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.

引用

页码：3364 / 3377

页数：14

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