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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.9 P.1429~1434


Active disturbance rejection control for hydraulic width control system for rough mill

Author(s):  ZOU Jun, FU Xin, YANG Hua-yong

Affiliation(s):  Institute State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   feifei7719@yahoo.com.cn

Key Words:  Active disturbance rejection (ADR), Hydraulic servo system, Width control, Rough mill

ZOU Jun, FU Xin, YANG Hua-yong. Active disturbance rejection control for hydraulic width control system for rough mill[J]. Journal of Zhejiang University Science A, 2007, 8(9): 1429~1434.

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author="ZOU Jun, FU Xin, YANG Hua-yong",
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publisher="Zhejiang University Press & Springer",

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%T Active disturbance rejection control for hydraulic width control system for rough mill
%A ZOU Jun
%A FU Xin
%A YANG Hua-yong
%J Journal of Zhejiang University SCIENCE A
%V 8
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%@ 1673-565X
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.A1429

T1 - Active disturbance rejection control for hydraulic width control system for rough mill
A1 - ZOU Jun
A1 - FU Xin
A1 - YANG Hua-yong
J0 - Journal of Zhejiang University Science A
VL - 8
IS - 9
SP - 1429
EP - 1434
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2007.A1429

The highly nonlinear behavior of the system limits the performance of classical linear proportional and integral (PI) controllers used for hot rolling. An active disturbance rejection controller is proposed in this paper to deal with the nonlinear problem of hydraulic servo system in order to preserve fast response and small overshoot of control system. The active disturbance rejection (ADR) controller is composed of nonlinear tracking differentiator (TD), extended state observer (ESO) and nonlinear feedback (NF) law. An example of the hydraulic edger system case study is investigated to show the effectiveness and robustness of the proposed nonlinear controller, especially, in the circumstance of foreign disturbance and working condition variation, compared with classic PI controller.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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