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Multimodal Freight Transportation Based on Multicriteria Optimization by Time Indicators

机译:基于时间指标的多标准优化的多模式货运

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摘要

A multicriteria approach with temporal indicators in optimizing the distribution of cargo flows in multimodal transport and technological system is presented. Based on the infrastructure indicators of the considered part of the railway landfill and the economic and geographical volumes of cargo accumulation, a mathematical model of the transport process is developed, expressed as a nonlinear integer programming problem. For various combinations of several objective functions, which are temporary indicators of the transportation process, an algorithm of optimal distribution of cargo flows for the considered loading stations and unloading stations is developed. Computational procedures for finding the Pareto optimal distribution of cargo flows are implemented in the environment of a computer mathematics system, which can be Free Ware. The distribution of grain cargo flows, which, as well known, are especially relevant from a commercial point of view for Russian exports, was chosen as a specific object for implementing the developed optimization approach.
机译:提出了一种优化多式联运和技术系统中货物流量分布时的时间指标的多轨道方法。基于铁路垃圾填埋场的审议部分的基础设施指标以及经济和地理体积的货物积累,开发了一种运输过程的数学模型,表示为非线性整数规划问题。对于几种目标函数的各种组合,这是运输过程的临时指示器,开发了考虑的加载站和卸载站的货物流量的最佳分布算法。用于查找货物流量的Pareto最佳分布的计算程序在计算机数学系统的环境中实现,这可以是自由洁具的。谷物货物的分布,众所周知,从俄罗斯出口的商业角度尤为相关,被选为实施开发的优化方法的特定对象。

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