减速参数作为行人穿越决策的隐性通信信号,以及对自动化车辆行为估计
Kai Tian1, Athanasios Tzigieras1, Chongfeng Wei2
1Institute for Transport Studies, University of Leeds, Leeds, LS1 9JT, UK.
Accident; analysis and prevention
|June 19, 2023
概括
步行者 步行者 步行者
科学领域:
- 人与计算机的互动.
- 机器人技术 机器人技术 机器人技术
- 运输工程 运输工程 运输工程
背景情况:
- 自动驾驶汽车 (AV) 缺乏人类驾驶员,造成与行人沟通的差距.
- 隐含的通信信号对于行人与自动驾驶交互至关重要,但人们对它们的理解很差.
- 对于行人对车辆行为的主观估计及其对过路决策的影响仍然不清楚.
研究的目的:
- 调查隐式通信信号如何影响行人对车辆行为的主观估计.
- 确定这些估计是否会在各种交通场景中影响行人交叉路口的决定.
- 分析减速参数在行人-自动驾驶隐性通信中的作用.
主要方法:
- 运用了两个模拟器任务:一个自然的道路交叉任务和一个车辆行为估计任务.
- 控制的关键变量:碰撞时间,车辆速度和减速行为.
- 在各种场景中全面分析了行人交叉路口决策和行为估计.
主要成果:
- 交叉决策和行为估计之间的相关性因交通情况而异.
- 步行者准确地识别了减速行为,将它们与交叉决策保持一致.
- 车辆的速度影响了估计,低速往往被认为是屈服的,无论车辆的实际行动如何.
结论:
- 减速参数是行人与自动驾驶汽车之间的关键隐性通信信号.
- 步行者行为估计被整合到决策中,但它的直接影响随着时间差距越大而减少.
- 结果为AV设计提供了信息,以提高道路交叉安全性和直观的通信.
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