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Multi-Product Multi-Period Fixed Charge Transportation Problem: an Ant Colony Optimization Approach

机译:多产品多周期固定电荷运输问题:蚁群优化方法

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Most of the practical applications of a transportation network, in addition to the variable cost, there incurs a fixed charge. This work formulates a Multi-Stage Multi-Period Fixed Charge Transportation Problem for a multi-product scenario. The problem is modeled using an optimization modeling tool, ‘A Mathematical Programming Language’ and its solution is obtained in BONMIN solver. The exact algorithms mostly require longer computational time to find an optimal solution for large problem size that are in practice. In these operational problems, in which process speed is as important as the solution quality, an Ant Colony Optimization based heuristic is proposed. Finally, the solution obtained from proposed heuristic is compared with that of exact methods using randomly generated data sets. The comparative analysis shows the competitiveness of the proposed heuristic.
机译:除可变成本外,运输网络的大多数实际应用都会产生固定费用。这项工作为多产品方案制定了多阶段多时期固定费用运输问题。使用优化建模工具“数学编程语言”对问题进行建模,并在BONMIN求解器中获得其解决方案。确切的算法通常需要更长的计算时间才能为实际存在的大问题找到最佳解决方案。在这些操作速度与解决方案质量同等重要的操作问题中,提出了一种基于蚁群优化的启发式算法。最后,将使用随机生成的数据集从提议的启发式方法获得的解决方案与精确方法进行比较。比较分析表明了该启发式算法的竞争力。

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