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在信号交叉点的冲击波传播下,对交通冲突风险的模拟研究

Junqing Wang¹, Hong Yang¹, Yuan Zhu²

¹Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, VA, USA.

Accident; analysis and prevention

|May 11, 2025

概括

交叉路口的交通拥堵与停车和开车造成的冲击波有关. 这项研究表明,驾驶风险和冲击波传播是相关的,为更安全的城市交通管理提供了见解.

科学领域:

交通工程是交通工程.
城市流动性城市流动性
运输安全运输安全

背景情况:

有信号的交叉路口对城市流动性至关重要,但面临着交通拥堵和安全方面的挑战.
交通冲击波和冲突风险之间的相互作用尚未完全理解,这阻碍了有效的管理.

研究的目的:

通过模拟,研究交通冲突风险与信号交叉点的冲击波传播之间的关系.
分析车辆排队和消散期间的动态条件,以了解风险传播.

主要方法:

从无人机 (UAV) 获取的使用车辆轨迹数据.
用户城市移动模拟 (SUMO) 软件用于模拟建模,具有精细的轨迹数据.
应用了替代安全措施 (SSM),如修改碰撞时间 (MTTC) 和减速率以避免碰撞 (DRAC),以及冲击波分析 (SA).

主要成果:

当车辆靠近并停下来时,观察到冲突,在队列尾部传播风险.
时空图表明,风险传播可以在冲击波传播之前或同时开始.
在信号交叉场景中发现了冲突风险和冲击波动态之间的相关性.

结论:

这项研究揭示了冲突风险和冲击波在信号交叉点的传播之间存在显著的相关性.
结果为开发增强的交通控制策略提供了有价值的见解,以提高交叉路口的安全性.
有助于更深入地了解城市环境中的交通流动动态和安全影响.

关键词:

驱动风险驱动风险是什么?冲击波分析的使用方法交叉路口的信号已经发出.替代安全措施替代安全措施交通模拟的交通模拟.无人驾驶飞行器是一种无人驾驶飞行器.

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