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Synchronization of yard truck scheduling and storage allocation in container terminals

机译:集装箱码头堆场卡车调度与存储分配的同步

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摘要

Yard truck scheduling and storage allocation, as two separate subproblems in port operations, have been extensively studied in the past decades. However, from the operational point of view, they are highly interdependent. This article proposes an integer programming model in which yard truck scheduling and storage allocation problems are formulated as a whole for heterogeneous import containers. Different stacking times at yard blocks is modelled as well. The objective of the proposed model is to reduce the congestion and waiting time of yard trucks in the terminal so as to decrease the makespan of discharging containers. Owing to the inherent computational complexity, a genetic algorithm and a greedy heuristic algorithm have been designed. Computational experiments show that the proposed genetic algorithm and greedy algorithm are both effective in solving the studied problem.
机译:在过去的几十年中,对堆场卡车的调度和存储分配作为港口运营中的两个独立子问题进行了广泛的研究。但是,从操作的角度来看,它们是高度相互依赖的。本文提出了一个整数规划模型,其中针对异类进口集装箱将货场卡车的调度和仓储分配问题作为一个整体表述。还模拟了码数不同的堆放时间。该模型的目的是减少码头堆场卡车的拥挤和等待时间,以减少卸货集装箱的使用寿命。由于内在的计算复杂性,设计了遗传算法和贪婪启发式算法。计算实验表明,所提出的遗传算法和贪婪算法均能有效解决所研究的问题。

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