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Traffic Network Optimization Design Considering Vehicle Emission under Elastic Demand

机译:交通网络优化设计考虑弹性需求下的车辆排放

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This paper proposes a multi-objective traffic network design problem considering vehicle gas emission under elastic demand. It aims at improving the efficiency of traffic network and reducing the traffic-related pollution through the reasonable road network planning. A multi-objective bi-level programming model is proposed to describe the traffic network design problem. The upper level attempts to minimize the total travel time, the total construction cost, and the total vehicle emission cost; the lower level is the user equilibrium assignment model under elastic demand. The non-dominated sorting genetic algorithm (NSGA-II) is utilized to compute the upper model. The lower level model is solved by double gradients projection algorithm, which applies the Monte-Carlo simulation method to realize the uncertainty of OD demand. Finally, a numerical example is used to verify the validity of the model and algorithm based on the non-symmetric Nguyen-Dupuis network.
机译:本文提出了考虑弹性需求下的车辆气体排放的多目标交通网络设计问题。它旨在提高交通网络的效率,通过合理的道路网络规划降低与交通相关的污染。建议使用多目标双级编程模型来描述交通网络设计问题。上层试图最小化总旅行时间,总建设成本和总车辆发射成本;较低级别是弹性需求下的用户均衡分配模型。使用非计数的分类遗传算法(NSGA-II)来计算上层模型。通过双梯度投影算法解决了较低级模型,该算法应用Monte-Carlo仿真方法来实现OD需求的不确定性。最后,使用数值示例来验证基于非对称Nguyen-Dupuis网络的模型和算法的有效性。

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