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首页> 外文期刊>Transportation research, Part B. Methodological >Segment-based alteration for container liner shipping network design
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Segment-based alteration for container liner shipping network design

机译：集装箱班轮运输网络设计的基于段的变更

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Container liner shipping companies only partially alter their shipping networks to cope with the changing demand, rather than entirely redesign and change the network. In view of the practice, this paper proposes an optimal container liner shipping network alteration problem based on an interesting idea of segment, which is a sequence of legs from a head port to a tail port that are visited by the same type of ship more than once in the existing shipping network. In segment-based network alteration, the segments are intact and each port is visited by the same type of ship and from the same previous ports. As a result, the designed network needs minimum modification before implementation. A mixed-integer linear programming model with a polynomial number of variables is developed for the proposed segmented-based liner shipping network alternation problem. The developed model is applied to an Asia-Europe-Oceania liner shipping network with a total of 46 ports and 11 ship routes. Results demonstrate that the problem could be solved efficiently and the optimized network reduces the total cost of the initial network considerably.
机译：集装箱班轮运输公司仅部分改变其航运网络以应对不断变化的需求，而不是完全重新设计和改变网络。针对这一实践，本文基于一个有趣的航段概念，提出了一个最优的集装箱班轮航运网络改造问题，即在现有航运网络中，同一类型船舶多次访问的从头港到尾港的一系列航段。在基于航段的网络变更中，航段是完整的，并且每个港口都由相同类型的船舶和相同的先前港口访问。因此，设计的网络在实施之前需要最少的修改。针对所提出的基于分段的班轮运输网络交替问题，建立了一种具有多项式变量的混合整数线性规划模型。所开发的模型适用于亚欧大洋洲共有46个港口和11条航线的班轮运输网络。结果表明，该问题可以得到有效解决，优化后的网络大大降低了初始网络的总成本。

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