Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
Level Control of a Continuous Casting Machine via H Control Theory
Akira MURAKAMIYoshiharu NISHIDATakashi MIKIToru MATSUURAMasaru NAKAO
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1997 Volume 10 Issue 11 Pages 607-615

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Abstract

In this paper, we apply H control theory to the level-control of a continuous casting machine. The level-control has two major problems of parameter variations and disturbance-pattern variations. In order to cope with these problems, we make up a table which consists of multiple H controllers. By switching one H controller to another properly, adaptability as well as robustness is achieved. This method has been applied to an actual machine and the results show a 40% decrease in level error.

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