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宏观交通模型用于交通流的协调

A macroscopic traffic model for traffic flow harmonization

作者：Zawar H. Khan;T. Aaron Gulliver;

关键词：Macroscopic traffic model,Reaction distance,Reaction time,Safe distance headway,Safe time headway,Traffic flow,Roe decomposition

DOI：https://doi.org/10.1186/s12544-018-0291-y

发表时间：2018年

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摘要

交通流将与前进条件协调。协调所需的时间和距离可能会对交通密度行为产生重大影响。流量可以根据安全时间间隔和安全距离间隔等参数演变成车辆集群或变得均匀。本文提出了一个新模型，以提供对协调期间交通行为的现实描述。对圆形道路上的不连续密度分布进行了结果展示，结果表明该模型比文献中的其他模型产生了更现实的交通行为。


Abstract

Traffic flow will harmonize to forward conditions. The time and distance required for harmonization can have a significant effect on the traffic density behavior. The flow can evolve into clusters of vehicles or become uniform depending on parameters such as safe time headway and safe distance headway. In this paper, a new model is presented to provide a realistic characterization of traffic behavior during the harmonization period. Results are presented for a discontinuous density distribution on a circular road which shows that this model produces more realistic traffic behavior than other models in the literature.


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