在没有信号的十字路口对动力两轮车冲突的逃避行动的探索性分析
Pranab Kar1, Shivkant Kumar1, Shivasai Samalla1
1Indian Institute of Technology Guwahati, India.
Accident; analysis and prevention
|November 2, 2023
概括
面临严重交叉冲突的动力两轮车 (PTW) 骑手经常使用方向盘超过制动以逃避. 右转的PTW具有更高的碰撞风险,而逃避行动因冲突类型而异,为未来的安全系统提供信息.
科学领域:
- 交通安全 交通安全 交通安全
- 摩托车动力学 摩托车动力学
- 交通运输中的人类因素
背景情况:
- 没有信号的交叉路口对动力两轮车 (PTW) 构成重大风险.
- 了解逃避机动对于提高PTW安全性和开发先进的骑手辅助系统至关重要.
研究的目的:
- 调查PTW在严重的交通冲突中在没有信号的十字路口的制动和转向回避行为.
- 分析不同的冲突类型如何影响PTW骑手的反应.
主要方法:
- 使用预期碰撞时间 (ACT) 替代安全指标识别了交通冲突.
- 峰值超过值的方法发现了严重的冲突和逃避行动.
- 分析包括最小ACT (ACTmin),最大减速率 (DRmax),最大起伏速度 (YRmax) 和逃避行动时间 (TEA).
主要成果:
- 与其他运动相比,右转的PTW面临着更高的撞车风险 (0.7%).
- PTW骑手主要使用极端的转向机动,而不是显著的制动.
- 逃避行动的时间有所不同,右转的骑手最早响应 (2.04秒).
- 通过移动的骑手犯了更多的错误,并且比其他群体做出了更少的逃避.
结论:
- 冲突类型显著影响PTW骑手的制动和转向反应.
- 右转的PTW冲突需要特定的逃避策略,通常涉及转向.
- 这些发现可以为设计先进的驾驶员辅助系统和有针对性的培训计划提供信息.
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