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.
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