Safety rule-based cellular automaton modeling and simulation under V2V environment
Safety rule-based cellular automaton modeling and simulation under V2V environment
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V2V环境下基于安全规则的元胞自动机建模与仿真
DOI：
10.1080/23249935.2018.1517135
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发表时间：
2018-09
期刊：
影响因子：
--
通讯作者：
Tian He
中科院分区：
文献类型：
--
作者：
Liang Zheng;Chuang Zhu;Zhengbing He;Tian He
摘要
车与万物（V2X），尤其是车对车（V2V）技术，被视为一种有前景的提高交通效率和安全性的技术。在车对车环境下，驾驶员能够相互交流，并获取实时的……
ABSTRACT Vehicle to anything (V2X), especially vehicle-to-vehicle (V2V) technology, is regarded as a promising technology to improve traffic efficiency and safety. Under V2V environment, drivers can communicate with each other, and obtain the real-time information of followers, besides of that from the preceding vehicle. According to the condition of sending a request of cooperative driving to the preceding vehicle, drivers are categorized into three sensitivity types, i.e. aggressive, normal and conservative. The mechanism of the driver's reaction to the backward request is also presented. Then, a safety rule-based cellular automaton (CA) model is developed, which involves bi-directional vehicular information. Finally, through numerical experiments, the influences of cooperative driving by V2V on traffic efficiency and safety are analyzed and concluded as follows. 1) The cooperative driving is conducive to improving the efficiency of vehicles to achieve their desired states when the speed constraint (of head vehicle) is serious; 2) The higher average danger coefficient is produced in the more congested vehicular fleet; 3) With regard to homogeneous vehicle fleets, more aggressive driving behaviors with V2V communication results in the lower safety performance, but can increase the traffic flux at synchronized flow and congested state; 4) As for heterogeneous vehicle fleets, the stimulation type, the sensitivity type, and the orders of sensitivity types all have an important effect in the safety performance.
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