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论文类型：期刊论文

第一作者：Deng, Zhiyun

通讯作者：史彦军,Han, Qiaomei,Lv, Lingling,Shen, Weiming

发表时间：2021-01-10

发表刊物：APPLIED SCIENCES-BASEL

卷号：10

期号：18

关键字：connected and automated vehicles; signal-free intersection; traffic coordination method; multi-vehicle collision resolution

摘要：Previous studies on Connected and Automated Vehicles (CAVs) demonstrated the potential to coordinate the behaviors of multiple connected vehicles for traffic improvements. In this paper, we first propose a Conflict Duration Graph-based (CDG-based) coordination framework to resolve collisions and improve the traffic capacity of signal-free intersections. Secondly, a Speed Control-based Intersection Coordination Model (SICM) is developed to identify complex constraints in multi-vehicle collision scenarios. Thirdly, a geometric Translation-based Intersection Coordination Algorithm (TICA) is proposed to calculate the ideal location of time blocks in CDGs and then obtain the near-optimal design speed in the form of combinatorial optimization. Twelve groups of test scenarios with different traffic volumes were designed and tested on a MATLAB-based simulation platform. Simulation results showed that the proposed method can resolve all the collisions and instruct the vehicles to pass signal-free intersections collaboratively without stopping in low to medium level of congestion.