Tug scheduling for hinterland barge transport: A branch-and-price approach

Tug scheduling for hinterland barge transport: A branch-and-price approach
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内陆驳船运输的拖船调度:分支和价格方法

DOI:
10.1016/j.ejor.2017.07.063
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发表时间:
2018-02
影响因子:
6.4
通讯作者:
Qu Xiaobo
Qu Xiaobo
中科院分区:
管理学2区
文献类型:
--
作者:
Zhen Lu;Wang Kai;Wang Shuaian;Qu Xiaobo

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在内陆驳船运输系统中,驳船通常不是自动推进的,需要由拖船拖曳或推动。摘要本研究探讨一个位于河口的港口,连接沿着腹地港口与全球海运网络的拖船调度问题。提出了一种混合整数规划模型,对驳船到拖轮的分配以及拖轮离开港口到腹地港口的时间进行了优化。研究了该模型的一些性质。此外,精确的解决方法的基础上的分支和价格的方法来解决所提出的模型。最后通过数值实验验证了模型的有效性和求解方法的有效性。
In a hinterland barge transport system, barges are usually not self-propelled and need to be towed or pushed by tugs. This study investigates a tug-scheduling problem at a seaport that is located at a river mouth and that connects the hinterland ports along the river with the global maritime transportation network. A mixed-integer programming model is proposed to optimize the assignment of barges to tugs as well as the time when the tugs depart from the seaport and go to the hinterland ports. Some properties of the model are also investigated. Moreover, an exact solution method based on a branch-and-price approach is developed to solve the proposed model. Numerical experiments are also conducted to validate the effectiveness of the proposed model and the efficiency of the proposed solution method.
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