从荒管切割的角度研究热轧钢管生产批量计划问题。
This paper deals with production lot planning of steel pipe from the view point of cutting stocks.
本文建立了一种轧制批量计划问题的数学模型，提出一种改进的两阶段启发式算法，并对其求解。
A mathematic model of the rolling batch heuristics is established in this paper, and an improved two phase heuristics is proposed for the problem.
将热轧批量计划问题作为一个约束满足问题处理，建立不确定计划数的VRPSTW约束满足模型。
The hot-rolling batch planning problem is treated as a constraint satisfaction problem. A VRPSTW constraint satisfaction model with uncertain rolling plan number is established.
本文提出了用于求解单级多资源约束的生产批量计划问题的改进二进制粒子群算法，阐明了算法的具体实现过程。
In this paper, the improved particle swarm optimization algorithm for the single level capacitated dynamic lot-sizing problem is presented. The detailed realization of the algorithm is illustrated.
文章针对基于JIT思想建立的一种批量计划和作业排序集成问题，建立整体模型，设计了一种启发式算法采用集成方法求求解。
A monolithic model of the lot-sizing and scheduling problem based on the JIT strategy has been proposed in this paper, and a heuristic algorithm using integrated method has been designed to solve it.
在分析热轧生产批量计划通用模型的基础上，采用了带有时间窗的车辆路径问题模型。
The VRPTW model that is suitable to resolve the problems of the production lot planning of the hot rolling strip is suggested.
钢铁生产中热轧批量计划编制属于多约束情况下大规模组合优化问题。
The hot rolling lot planning in iron and steel enterprises is a large-scale combination optimization problem with many restrictions.
本文提出了更为接近热轧批量计划编制实际的特殊不对称车辆路径问题作为热轧批量计划编制问题的数学模型。
A special asymmetric vehicle routing problem is presented for modeling the hot rolling lot planning since it accords with the production practice.
分析了轧制批量计划编制问题，建立了不确定轧制计划数的轧制计划VRP模型。
Rolling plan problem is analyzed and a rolling plan VRP model with uncertain rolling plan Numbers is suggested according to hot rolling production practice.
分析了轧制批量计划编制问题，建立了不确定轧制计划数的轧制计划VRP模型。
Rolling plan problem is analyzed and a rolling plan VRP model with uncertain rolling plan Numbers is suggested according to hot rolling production practice.
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