基于随机运输时间的车辆路径与多式联运服务网络设计

IF 2.1 Q2 OPERATIONS RESEARCH & MANAGEMENT SCIENCE
Jan Philipp Müller , Ralf Elbert , Simon Emde
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引用次数: 5

摘要

服务网络设计是多式联运的一个重要的战术优化问题。它包括在整个多式联运网络中选择商品的运输方式和路径的决策。提出了一种综合车辆路径问题的随机服务网络设计模型,该模型同时考虑了不确定运输时间下道路运输的运输服务选择和行程规划决策。为了解决中欧三个多式联运公路铁路网络的实际案例研究中的问题实例,将样本平均近似方法与迭代局部搜索相结合。将SSND-VRP的结果与其期望值模型和连续规划方法进行了比较,证明了综合随机模型可能实现的成本降低和多式联运服务错过的减少。在进一步的参数变化实验中,我们发现铁路运输的吸引力对多式联运成本的变化高度敏感,而铁路服务延迟减少的影响相对较低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Integrating vehicle routing into intermodal service network design with stochastic transit times

Service network design is an important optimization problem for intermodal freight transportation on a tactical level. It includes the decisions on choosing transportation modes and paths for commodities throughout the intermodal network. We present a stochastic service network design model with an integrated vehicle routing problem (SSND-VRP), which simultaneously covers transportation service choice and tour planning decisions for road transportation under consideration of uncertain transportation times. A sample average approximation approach is combined with an iterated local search in order to solve problem instances in a real-world case study for three intermodal road-rail networks in Central Europe. Results of the SSND-VRP are compared with its expected value model and a successive planning approach, demonstrating the possible cost reductions and the decrease in missed intermodal services that are achieved by the integrated stochastic model. In further parameter variation experiments we show that the attractiveness of rail transportation is highly sensitive to changes in intermodal costs, whereas the impact of delay reductions of the railway services is relatively low.

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来源期刊
CiteScore
4.60
自引率
0.00%
发文量
24
审稿时长
129 days
期刊介绍: The EURO Journal on Transportation and Logistics promotes the use of mathematics in general, and operations research in particular, in the context of transportation and logistics. It is a forum for the presentation of original mathematical models, methodologies and computational results, focussing on advanced applications in transportation and logistics. The journal publishes two types of document: (i) research articles and (ii) tutorials. A research article presents original methodological contributions to the field (e.g. new mathematical models, new algorithms, new simulation techniques). A tutorial provides an introduction to an advanced topic, designed to ease the use of the relevant methodology by researchers and practitioners.
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