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炼钢厂连铸机的开浇时间决策优化模型 被引量:2

An Optimization Model for Casting Start Time Decision of Continuous Caster in Steel Plant
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摘要 针对炼钢厂连铸机开浇时是否连浇以及开浇时间确定等问题,从钢厂生产线上待加工的铁水/钢水金属资源平衡的角度,建立了以连铸生产总效益最大为目标函数的连铸机开浇决策的混合整数规划模型,并用基于MATLAB软件的YALMIP优化工具进行模型的求解.针对某钢厂的实际情况进行模型的应用测试,结果表明:模型可以优化决策连铸机各浇次的开浇时间,有助于编制合理的炼钢厂生产调度作业计划,稳定各班次之间的生产条件,降低生产线上的积压金属量,为炼钢厂连铸机的有序开浇提供了技术手段. From the aspect of the resource balancing of the hot-metal / liquid-steel in a steel plant,a mixed integer linear programming model with the objective of maximizing the total benefit of continuous casters was established for casting start time decision of continuous caster( CSDCC).The model was solved by YALMIP optimizer based on MATLAB. Application tests were conducted with the instances from the practical production process in a steel plant to evaluate the proposed model. The results showthat the casting start time of continuous casters can be predicted accurately,which is beneficial to make a feasible schedule,to stabilize the production conditions for the shifting of working groups,and to reduce the quantity of hot-metal / liquid-steel stored in the production line. The CSDCC model provides a useful tool for steel plant to determine the optimized casting start time of continuous caster.
出处 《东北大学学报(自然科学版)》 EI CAS CSCD 北大核心 2016年第2期203-207,共5页 Journal of Northeastern University(Natural Science)
基金 国家自然科学基金资助项目(51474044 50574110) 重庆市科技攻关重点项目(CSTC2011AB3053)
关键词 连铸机 开浇决策 优化模型 安全库存 混合整数规划 continuous caster casting start time decision optimization model safe stock mixed integer linear programming
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参考文献10

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二级参考文献27

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