短流程中小型钢铁企业生产调度优化(1)

This paper investigates and suggests an efficient solution to the problem of scheduling the steel making line in the midimu—sized or small—sized steel mill,which consists of three major process:molten steel making, continuous slab casting,and hot charged rolling,Careful synchronization of these processes is akey productivity factar,since a very limited amount of word—in—process

第26卷第1期 文章编号:1006—9348(2009)Ol一0292—04 计算机仿真 2009年1月 短流程中小型钢铁企业生产调度优化 宋连成,陈红林 (西北工业大学电子信息学院,陕西西安710072) 摘要:针对钢铁生产调度计划『口J题,研究并提出了短流程中小型钢铁企业生产调度计划的一种有效算法。短流程钢铁企业 主要有炼钢(电炉)、连铸和热轧三个生产工序,中间在制品在线存储能力非常有限,三个工序的生产同步性为协调生产计划 时的关键考虑因素。且每个生产过程必须批鲢运行。生产调度计划一般由分组和排序两部分组成,各工序有各自的判断准 则,有时这些准则相互冲突。针对这些问题提出了一种有效的启发式算法,并由真实数据进行验算,结果表明算法合理有 效。能够满足实际生产需要。 关键词:炉次;浇次;轧制单元;调度计划 中图分类号:c935,TF087 文献标识码:A Production Scheduling Optimization at Midium——sized or Small—.sized Steel Mill with Short Route SONG Lian—cheng.CHEN Hong—lin (School of Electronics and Information,Northwestern Polyteehnical University,Xibn Shanxi 710072,China) an ABSTRACT:This paper investigates and suggests line in the midimu—sized or efficient solution to the problem of scheduling the steel making small—sized steel mill,which consists of three major process:molten steel making, synchronization of these processes is a continuous slab casting,and hot charged rolling,Careful key productivity fac— lUll tar,since the a very limited amount of word—in—process inventory is allowed.Since each consists of g

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