Method for process control or process regulation of a unit...

C - Chemistry – Metallurgy – 21 – D

Patent

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Details

C21D 11/00 (2006.01) B21B 37/00 (2006.01) B21B 37/74 (2006.01) B21B 37/76 (2006.01) B21B 38/00 (2006.01)

Patent

CA 2508594

According to the invention, a method for process control or process regulation of a unit for moulding, cooling and/or thermal treatment of metal, in particular for steel or aluminium, whereby the unit is provided with actuators for setting particular operating parameters and the method process is based on a method model can be achieved, with which it is possible to adjust online desired structural features and, by using structural property relationships, desired material properties can be adjusted, whereby at least one current value predictive of the metal structure is recorded online and, depending on said value, suitable process control and/or process regulation parameters for acting on the actuators to set desired structure properties of the metal are determined using a structural model and the method model on which the process is based.

L'invention vise à mettre au point un procédé de commande ou de régulation de processus d'une installation de formage, de refroidissement et/ou de traitement thermique de métal, notamment d'acier ou d'aluminium. Ladite installation est équipée d'éléments d'ajustement pour ajuster des paramètres d'exploitation déterminés et un modèle de procédé sous-tend le processus du procédé. Ledit procédé doit pouvoir permettre d'ajuster de manière ciblée, des particularités structurales voulues, en ligne, ainsi que des propriétés de matériaux voulues, à l'aide de relations de propriétés structurales. A cet effet, il faut détecter en ligne, au moins une valeur présente plus significative pour la structure du métal et déterminer, en fonction de cette valeur, des grandeurs appropriées de commande de processus et/ou de régulation de processus, pour agir sur les éléments d'ajustement, afin d'ajuster des propriétés structurales voulues du métal, au moyen d'un modèle structural, ainsi que du modèle de procédé sous-tendant le processus.

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