为什么驾驶员在后方碰撞时比AEB迟车? 基于驱动记录器视频的分析
1Department of Mechanical Systems Engineering, Nagoya University, 464-8603 Nagoya, Japan.
Accident; analysis and prevention
|November 20, 2025
概括
自动应急制动 (AEB) 有效地减少了日本的出租车后部碰撞. 驾驶员的注意力不集中,特别是不向前看,是制动延迟的关键原因,强调了需要改进AEB系统和驾驶员监控的需要.
科学领域:
- 交通安全工程 交通安全工程
- 驾驶过程中的人类因素
- 汽车安全系统汽车安全系统
背景情况:
- 在日本,背后碰撞很常见,但由于严重程度较低,研究是有限的.
- 自动应急制动 (AEB) 是有前途的,但驱动因素和系统优化需要进一步研究.
- 了解制动延迟对于提高AEB在防止碰撞的有效性至关重要.
研究的目的:
- 调查AEB在减少出租车后端碰撞中的实际有效性.
- 探索人类,车辆和环境因素导致驾驶员车延迟.
- 评估不同的AEB策略,包括基于时间到碰撞 (TTC) 和TTC2nd的系统.
主要方法:
- 使用PC-Crash软件重建了52次真实世界的出租车后方碰撞 (超过10公里/小时).
- 使用基于时间到碰撞 (TTC) 和TTC2nd的指标模拟AEB性能.
- 应用决策树分析以确定影响驾驶员车和AEB激活之间的延迟的因素.
主要成果:
- 在研究的出租车队中,AEB显著减少了后部碰撞.
- 基于TTC2nd的AEB在避免与减速的领先车辆发生碰撞方面表现出卓越的性能.
- 与AEB激活相比,驾驶员无法保持向前的视线是延迟制动的主要原因.
- 在高速,湿路或突然减速场景中,AEB的有效性是有限的.
结论:
- 在减轻出租车后端碰撞方面,AEB是有效的,基于TTC2nd的系统提供了增强的功能.
- 司机的注意力不集中和视线转移是导致碰撞风险和AEB限制的关键因素.
- 优化AEB系统和开发驾驶员监控系统对于进一步防止碰撞至关重要.
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