Automatic Gauge Control System and Thickness Optimization Strategy of Aluminum Foil

doi:10.12068/j.issn.1005-3026.2014.04.014

Journal of Northeastern University Natural Science ›› 2014, Vol. 35 ›› Issue (4): 516-520.DOI: 10.12068/j.issn.1005-3026.2014.04.014

• Materials & Metallurgy • Previous Articles Next Articles

Automatic Gauge Control System and Thickness Optimization Strategy of Aluminum Foil

SUN Jie¹， HU Yunjian²， LI Bingqi²， ZHANG Dianhua¹

1. State Key Laboratory of Rolling and Automation， Northeastern University， Shenyang 110819， China; 2. Rolling Technology Center of Liaoning， Shenyang 110819， China.

Received:2013-07-02 Revised:2013-07-02 Online:2014-04-15 Published:2013-11-22
Contact: SUN Jie
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Abstract

Abstract: According to the characteristics of foil rolling process and the instrument configuration， a set of automatic gauge control (AGC) system for aluminum foil rolling mill was designed. The control principle of every control method was given. The Smith predictor and variable gain were used to reduce the effect of pure delay on the control system. And the decoupling compensation for other control link was implemented. The tension adaptive control scheme was given according to the tension oscillating problem， and the variable acceleration control in rolling speed AGC was proposed. In order to avoid the spillover phenomena of single controller， the thickness optimization control was implemented by using main controller and optimize controller. For the maximal production， the rolling speed maximization control and target thickness adaptive control were brought forward. Application results indicated that the system shows good control effect.

Key words: aluminum foil, automatic gauge control, adaptive control, thickness optimization, maximum production

CLC Number:

TP2735

SUN Jie， HU Yunjian， LI Bingqi， ZHANG Dianhua. Automatic Gauge Control System and Thickness Optimization Strategy of Aluminum Foil[J]. Journal of Northeastern University Natural Science, 2014, 35(4): 516-520.

References

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Automatic Gauge Control System and Thickness Optimization Strategy of Aluminum Foil

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