板带轧制工艺控制理论概要

张进之

中国工程科学 ›› 2001, Vol. 3 ›› Issue (4) : 46-55.

PDF(6459 KB)
PDF(6459 KB)
中国工程科学 ›› 2001, Vol. 3 ›› Issue (4) : 46-55.
学术论文

板带轧制工艺控制理论概要

  • 张进之

作者信息 +

Outline of Strip Rolling Technological Control Theory

  • Zhang Jinzhi

Author information +
History +

摘要

以最小阻力定律、体积不变条件和秒流量相等条件为内容的经典轧制理论,经试验、演绎形成了较完整的轧制应用技术科学体系,这种体系所反映的是静态规律。在轧制理论发展中引入控制论、信息论、计算机科学等高新技术,对轧制过程进行控制。在轧制理论发展史上,弹跳方程建立之前是以力学为基础建立的经典轧制理论,之后为以力学和控制论为基础建立的基本轧制工艺控制理论。文章提出工艺控制理论概念,是在基本轧制工艺控制理论的基础上建立的新的理论体系,主要内容包括:在连轧张力理论中反映了张力的负反馈,建立了连轧张力理论体系;在厚控过程中,解决扰动的检测问题;在板形理论中,定义了对偶参数,确立了与 厚控理论相似的板形理论体系。

Abstract

Classical rolling theory, which is based on the law of the lowest resistance,the condition of constant volume and the condition of equal flow per second,has formed a fairly integrated rolling applied technology science system by means of experiment and deduction. This system reflects only the static law of rolling process,so it is necessary to control dynamic rolling process by drawing high and new technology such as cybernetics, information theory and computer science into the system.During the history of rolling theory, classical rolling theory based on mechanics took the lead before the establishment of spring equation, after that the rolling process control theory based on mechanics and cybernetics took precedence. In this paper,the concept of technological control theory is put forward. A new theory system, which is based on fundamental rolling technology control theory, is set up. Its main content included:the tension theory system in continuous rolling, which reflects the negative feedback effect of tension, is set up;disturbance survey problem is settled in gauge control process;shape theory system, which resembles gauge control theory,by defining dual parameter,is established.

关键词

连轧过程控制 / 连轧张力 / 厚度控制 / 板形刚度 / 轧机弹跳方程 / 综合等储备负荷分配

Keywords

continuous rolling process control / tension in continuous rolling / gauge control / shape stiffness / spring equation for rolling mill / comprehensive equal reserves for load distribution

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张进之. 板带轧制工艺控制理论概要. 中国工程科学. 2001, 3(4): 46-55

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"九五"国家攻关计划资助项目(95-528-01)
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