Analysis of Capacity for Mixed Traffic Flow with Connected Vehicle Platoon on Freeway

被引：6
|
作者：
Chang X. [1 ]
Li H. [1 ]
Rong J. [1 ]
Zhao X. [1 ]
Wang Y. [1 ]
机构：
[1] Beijing Key Laboratory of Traffic Engineering, Beijing University of Technology, Beijing
来源：
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) | 2020年 / 48卷 / 04期
基金：
北京市自然科学基金; 中国国家自然科学基金;
关键词：
Connected vehicle platoon; Highway basic segment; Mixed traffic flow; Penetration rate; Platoon size; Traffic capacity;
D O I：
10.12141/j.issn.1000-565X.190371
中图分类号：
学科分类号：
摘要：
Under the context of intelligent network, vehicles can enact cooperatively at a small headway, and continuous connected vehicles will be in platoon configurations by information interaction of vehicle-to-vehicle or vehicle-to-infrastructure communication. Thus, the road capacity will be improved effectively. Considering the traffic flow randomly mixed with regular vehicles and connected vehicles, 4 types of car-following characteristics and its spatial distribution probability in heterogeneous traffic flow were analyzed. Then the fundamental diagram model and the passenger car equivalents (PCE) were obtained. And the sensitivity analyses on penetration rate of connected vehicle and platoon size were carried out. Research results show that the improvement of the penetration rate of the connected vehicles and the increase of the platoon scale will help enhance the traffic capacity and reduce the PCE. Moreover, the positive impacts will be more obvious with the increase of the penetration rate of the connected vehicles. When the vehicle platoon scale is larger than 4, its impact on the traffic capacity improvement and the PCE reduction will decrease significantly. © 2020, Editorial Department, Journal of South China University of Technology. All right reserved.
引用
收藏
页码：142 / 148
页数：6
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