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首页> 外文期刊>Transportation planning and technology >Exploring the impact of connected and autonomous vehicles on mobility and environment at signalized intersections through vehicle-to-infrastructure (V2I) and infrastructure-to-vehicle (I2V) communications
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Exploring the impact of connected and autonomous vehicles on mobility and environment at signalized intersections through vehicle-to-infrastructure (V2I) and infrastructure-to-vehicle (I2V) communications

机译：通过车辆到基础设施（V2I）和基础设施到车辆（I2V）通信，探索连接和自主车辆对信号交叉口的流动与环境的影响

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摘要

Connected and autonomous vehicle (CAV) technologies are expected to improve the quality of intersection operations through Vehicle-to-Infrastructure (V2I) and Infrastructure-to-Vehicle (I2V) communications. This study investigates mobility and environmental impacts of CAVs on signalized intersections. With I2V communication capability, CAVs are able to receive the real-time traffic signal information while approaching the intersections. A speed control strategy for CAVs is developed and optimal speeds for CAVs are calculated based on their locations and signal conditions. The analysis is conducted in a mixed traffic environment with combination of regular vehicles, autonomous vehicles, and CAVs. The vehicle delay and emissions at the selected intersection are quantified with respect to different market penetration rates of CAVs. The results indicate that CAVs can reduce vehicle delay by as much as 46.06% and 33.47% in emissions compared to regular vehicles. The proposed strategy can effectively improve the mobility and environment at signalized intersections.
机译：期望通过车辆到基础设施（V2I）和基础设施到车辆（I2V）通信来提高交叉操作质量的连接和自主车辆（CAV）技术。本研究调查了CAVE对信号交叉口的流动性和环境影响。利用I2V通信能力，脉冲能够在接近交叉点的同时接收实时业务信号信息。开发了一种用于脉冲的速度控制策略，并且基于其位置和信号条件计算脉冲的最佳速度。分析在混合交通环境中进行了与普通车辆，自动车辆和骑士群的组合。所选交叉点的车辆延迟和排放相对于脉冲的不同市场渗透率量化。结果表明，与普通车辆相比，脉冲可将车辆延迟降低46.06％和33.47％。拟议的策略可以有效地改善信号交叉口的移动性和环境。

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