Active Disturbance Rejection Control for Hydraulic Position Control System of High-quality Cold Rolling Mill

被引：0
|
作者：
Xiang, Xiaofei [1 ]
Wang, Zhe [1 ]
Zhang, Fei [1 ]
Zhao, Li
机构：
[1] Univ Sci & Technol Beijing, Natl Engn Res Ctr Adv Rolling Technol, Beijing 100083, Peoples R China
来源：
ADVANCES IN ROLLING EQUIPMENT AND TECHNOLOGIES II | 2012年 / 572卷
关键词：
Active disturbance rejection controller; Frequency domain; Hydraulic position control system;
D O I：
10.4028/www.scientific.net/AMR.572.114
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Active disturbance rejection controller (ADRC) instead of the conventional PID controller in the hydraulic position control system is proposed to satisfy high accuracy and speed requirements in cold rolling mill. Based on the simplified model, frequency-domain analysis of the two kinds of controllers is performed. The results show that ADRC produces better performances, such as bandwidth, stability margins. Because of the extended state observer (ESO) that can estimate and compensate the tracking system in real time, ADRC reduces the dependence on accurate mathematical model, improves anti-disturbance capability of the system, and maintains good dynamic characteristics. The simulation results verified the effect of the conclusion.
引用
收藏
页码：114 / +
页数：2
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