Computer simulation study on city car system

M. Abé, K. Suzuki, F. Harashima, S. Kariya
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引用次数: 0

Abstract

We assume that 15 stations are set at the key points in a certain city and suitable number of small cars are distributed to each station and that basic 0-D data of trip between any two of these stations are given. In our simulation, passengers who take on cars at their stations are generated by using random number. If there is no car in a car pool and no arrival car, passengers generated at the station are set to be waiting until available cars appear. The redistribution process which redistributes the cars intentionally from some stations to other stations to regulate the number of parking cars at each station is taken in account. We observe the system behavior and stability by paying attention to the average waiting time of passengers in the simulation. We find out appropriate number of cars and redistribution capacity to realize some satisfactory service level of the system and keep the system stable. It is found that redistribution prccess reduces the necessary number of cars to realize some service level as well as keeps the system stable, but excessive redistribution capacity is not necessarily effective on improving the system performance.
城市汽车系统的计算机仿真研究
我们假设在某城市的关键位置设置15个站点,每个站点分配适当数量的小汽车,并给出任意两个站点之间的基本出行0-D数据。在我们的模拟中,在车站上车的乘客是用随机数生成的。如果拼车中没有车,也没有到站车,那么在车站产生的乘客就会等待可用的车出现。考虑了车辆的再分配过程,即有意地将车辆从某个站点重新分配到其他站点,以调节每个站点的停车数量。在仿真中我们通过关注乘客的平均等待时间来观察系统的行为和稳定性。找出合适的车辆数量和再分配能力,使系统达到满意的服务水平,并保持系统稳定。研究发现,再分配过程减少了实现一定服务水平所需的车辆数量,并保持了系统的稳定,但过多的再分配能力并不一定对提高系统性能有效。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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CiteScore
2.20
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0.00%
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