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Traffic Network Optimization Design Considering Vehicle Emission under Elastic Demand

机译:弹性需求下考虑车辆排放的交通网络优化设计

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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:本文提出了一种在弹性需求下考虑车辆气体排放的多目标交通网络设计问题。它旨在通过合理的路网规划来提高交通网络的效率并减少与交通有关的污染。提出了一种多目标双层规划模型来描述交通网络的设计问题。高层试图使总的旅行时间,总的建筑成本和总的车辆排放成本最小化;较低的水平是弹性需求下的用户均衡分配模型。非支配排序遗传算法(NSGA-II)用于计算上部模型。通过双梯度投影算法求解低层模型,该算法采用蒙特卡洛模拟方法来实现OD需求的不确定性。最后,通过一个数值例子验证了基于非对称Nguyen-Dupuis网络的模型和算法的有效性。

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