Production scheduling problems of steelmaking-continuous casting process in dynamic production environment

IF 3.1 2区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING
Zhong Zheng , Jian-yu Long , Xiao-qiang Gao
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引用次数: 11

Abstract

A concept of production scenario for the steelmaking-continuous casting production process and the mathematical description of such concept were proposed. The production scenario was described with the variation of the equipment status and the production material properties based on the executing production schedule. Then, the dynamic characteristics of the production process could be described with the evolution process of production scenario. Through analyzing the influence of the dynamic production scenario on production scheduling, three key points about the scheduling problems were identified: the problem for integrating the schedules of different batches that is non-neglected when making a schedule, the problem for matching the material flow with the schedule that should be solved when implementing a schedule, and the problem for eliminating the deviations between the initial schedule and implemented schedule that should be solved when rescheduling in a disturbed environment. Finally, a set of experiments were conducted, and the results demonstrated that making the production schedule and solving the rescheduling problem for steelmaking-continuous casting process with addressing the above three problems improve the adaptability of the schedule in dynamic environment.

动态生产环境下的炼钢连铸生产调度问题
提出了炼钢-连铸生产过程生产场景的概念,并对其进行了数学描述。根据生产计划的执行,描述了设备状态和生产物料性质变化的生产场景。然后,用生产场景的演化过程来描述生产过程的动态特征。通过分析动态生产场景对生产调度的影响,确定了生产调度问题的三个关键点:制定计划时不可忽视的不同批次计划的整合问题;实施计划时要解决的物料流与计划的匹配问题;在扰动环境下重新调度时要解决的消除初始计划与实施计划之间偏差的问题。最后进行了一组实验,结果表明,通过解决上述三个问题,制定炼钢-连铸生产计划并解决重调度问题,提高了计划在动态环境下的适应性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
4.30
自引率
0.00%
发文量
2879
审稿时长
3.0 months
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