现代控制器用于提高热连轧机穿线过程中的产品质量

J. Pittner, M. Simaan
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引用次数: 0

摘要

铁水带钢的连轧是一个高度复杂的非线性过程,对控制提出了困难的挑战。该过程的螺纹阶段的控制是特别困难的,因为该过程的模型变化显著和迅速,因为在螺纹期间,从机架到机架的带钢头部是顺序的。此外,为了提高最终产品在穿线过程中的质量,有必要减少在带材张力,活套位置以及带材厚度上的偏差。在本文中,我们提出了一个综合的线程过程模型,加上我们的初步工作的结果,以开发一个合适的控制器来处理线程过程中模型的快速变化。我们的初步工作是成功的通过模拟。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modern controller for improving product quality during threading of the tandem hot strip rolling mill
The tandem rolling of hot metal strip is a highly complex and nonlinear process which presents a difficult control challenge. The control of the threading phase of this process is especially difficult as the model of the process changes significantly and rapidly as the head of the strip is sequenced from stand to stand during threading. Moreover, to improve the quality of the final product during threading it is necessary to reduce excursions in the strip tension, looper position, as well as strip thickness. In this paper we present a comprehensive model of the threading process plus the results of our initial work to develop a suitable controller which handles the rapid changes in the model during threading. The success of our initial work is demonstrated by a simulation.
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