There are many Planning and Scheduling problems in Steel Manufacturing Enterprise, such as Steel-making Scheduling, Continuous-Casting Planning, Hot Rolling Planning, Logistics Balancing, Transport Scheduling and Integrated Production Scheduling.
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基于一体化管理思想，对炼钢、连铸和热轧计划模型进行了研究。
Based on the idea of integrated management, planning models including steelmaking, continuous casting and rolling are presented.
无委托板坯匹配问题是研究如何将这些板坯合理分配给热轧计划中的合同。
The open-order slab matching problem is how to assign these slabs to compatible orders in the hot-rolling plan.
结合宝钢热轧厂计划编制的实际情况，考虑板坯轧制区段对轧制表面等级的约束和板坯出炉温度、精轧温度、卷取温度对计划单元的影响，建立了热轧计划编制的数学模型。
Constraints between rolling section and surface grade in a plan unit and impacts due to temperature of discharging, finishing milling and coiling are considered in the practice in hot rolling factory.
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