Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Reexamination Certificate
2007-12-25
2007-12-25
Suhol, Dmitry (Department: 3725)
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
C072S012200, C072S201000, C072S342200, C072S342600, C700S030000, C700S108000, C700S148000, C148S511000, C266S087000
Reexamination Certificate
active
10545781
ABSTRACT:
The invention relates to a method for controlling and regulating the temperature of a metal strip in a finishing train of a hot rolling mill. A target function is formed by comparing a desired temperature gradient with an actual temperature gradient. The target function measures deviations from desired indications positioned in various places on the finishing train. The speed of the strip and the flow of the cooling agent are adjusted by predicting with the aid of a method of non-linear optimization with auxiliary conditions and are regulated and controlled online by solving a quadratic optimization problem with linear auxiliary conditions, preferably with the aid of an active set strategy.
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Kurz Matthias
Metzger Michael
Siemens Aktiengesellschaft
Suhol Dmitry
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