Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
Mill Balance Control Technique for a Tandem Cold Mill using ILQ Design Method
Akira MURAKAMIHirokazu ARAYAMakishi NAKAYAMAMitsuo OKAMOTOKenichi SANO
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2004 Volume 17 Issue 10 Pages 426-434

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Abstract

We have developed a mill balance control system, which regulates the motor currents and rolling forces of tandem-cold-mill stands while maintaining finish gage accuracy.
The controller is designed using the ILQ design method and constructs a cascade loop outside an automatic-gage-control loop.
The experimental results showed that maximum rolling speeds have increased by 2.4% on average without deterioration of gage accuracy or strip shape.

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