在回顾计算机仿真技术发展的基础上,对20世纪90年代以来国内外虚拟轧制技术的发展作综合评述,分析虚拟轧制系统整体框架体系,并指出目前虚拟轧制仿真研究中存在的局限性。虚拟轧制技术是将轧制系统以数学模型的形式进行描述,按信息规则构成大系统,借助系统辨识的方法来确定一些具有不确定性的软量和非线性单元,采用数值分析的方法研究冷连轧机组动、静特性的一套大型软件、硬件集成系统,是一个基于先进建模技术、多领域仿真技术、信息管理技术、交互式用户界面技术和虚拟现实技术,能够完成设备仿真、控制仿真和管理仿真的大型仿真系统。可为新建轧机和现有轧机的改造提供技术支撑,可以探索现有设备的最佳工艺参数与控制模型,提高产品的质量与产量。对其进一步发展作展望,指出该技术的发展方向。
Based on the development of computer simulation technology, the development of virtual rolling technology at home and abroad since 1990s is summarized. The integral frame system of virtual rolling is analyzed, and the limitations of present virtual rolling simulation research are pointed out. Virtual rolling technology, which is a large-scale software and hardware integration simulation system, can research the static and dynamic characteristics of the rolling mill by using numerical analysis method. It describes roll mill system in the form of a mathematic model, and makes up a large-scale system according to information regulation, and confirms some uncertain flexible parameters and non-linear cells by means of system identification method. Based on the advanced modeling, multi-field simulation, information management, interactive user interface and virtual reality techniques, the virtual rolling system can complete equipment simulation, control simulation and management simulation. It not only can provide technical support to designing new rolling mills and transforming existing rolling mills, but also can explore optimum process parameters and control model of existing equipment in order to improve the quality and output of products. Its development direction is pointed out.