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

Xiao Fei Xiang; Zhe Wang; Fei Zhang; Li Zhao

doi:10.4028/www.scientific.net/AMR.572.114

Paper Titles

Equation of Shape Control and Edge Drop on UCMW Tandem Cold Mill
p.94

Research of the Strategy on the Flatness and Gauge Control Based on Coiling Variable Tension Control Process
p.98

The Research on the Coupling Relation between Flatness and Edge Drop for Tandem Cold Rolling Mill
p.104

Research on the Edge Drop Control Strategy in Cold Tandem Rolling Mill
p.110

Active Disturbance Rejection Control for Hydraulic Position Control System of High-Quality Cold Rolling Mill
p.114

Flatness On-Line Preset Technology for Cold Rolling Mill
p.120

Research of the Roll Systems Flexural Coupling-Dynamic Modeling
p.125

Study and Application of SSC Model on Hot Rolling Wide Strip Mill
p.131

Study on Predictive Model of Plate Camber
p.137

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 572Active Disturbance Rejection Control for Hydraulic...

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

Abstract:

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.

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Periodical:

Advanced Materials Research (Volume 572)

Pages:

114-119

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.572.114

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Online since:

October 2012

Authors:

Xiao Fei Xiang, Zhe Wang, Fei Zhang, Li Zhao

Keywords:

Active Disturbance Rejection Controller, Frequency Domain, Hydraulic Position Control System

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