Traffic Safety

Effect of Connected HUD Warning System on Driving Behavior for Pedestrian Crossing Events

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  • Beijing Key Laboratory of Traffic Engineering,Beijing University of Technology,Beijing 100124,China
边扬(1980-),女,博士,副教授,主要从事交通规划、交通行为研究。E-mail:bianyang@bjut.edu.cn

Received date: 2023-03-10

  Online published: 2023-06-20

Supported by

the National Natural Science Foundation of China(52072012)

Abstract

In order to demonstrate the effectiveness of the warning system, this study explored the influence of the head up display warning system on driving behavior under different weather conditions in the connected environment for pedestrian crossing events. Firstly, this paper designed three warning systems: baseline, head down display (HDD), and head up display (HUD). Based on the driving simulation platform, it developed connected scenarios of urban roads under clear and foggy weather conditions and extracted driving behavior parameters through experimental testing. Then, from the micro level, the paper described the whole spatial change process of driving behavior under the action of connected HUD warning system for pedestrian crossing events, analyzed the influence rules of the warning systems and weather conditions on driving behavior, and constructed the influence model of driving behavior including risk avoidance stage and recovery stage. Next, a comprehensive index system was proposed to reflect the safety level at the risk avoidance stage, the recovery level at the recovery stage and the stability level of the whole process, including the first braking distance, the minimum conflict distance, the recovery stabilization time, the recovery amount of velocity, the maximum deceleration and the maximum acceleration. Finally, it quantified the effects of different warning systems (Baseline/ HDD/ HUD), weather conditions (clear weather/ foggy weather) and the interaction between the two factors on driving behavior. Research shows that the connected HUD warning system for pedestrian crossing events has a significant effect on drivers’ driving behavior in the risk avoidance and recovery stage, and it significantly improves the safety level of driving behavior in the risk avoidance stage. At the same time, it has a significant improvement effect on the recovery efficiency during the recovery stage, and also significantly affects the stability level of the operational characteristics throughout the whole process. The connected HUD warning system for pedestrian crossing events shows more obvious advantages under foggy conditions.

Cite this article

BIAN Yang, ZHANG Yu, ZHAO Xiaohua, et al . Effect of Connected HUD Warning System on Driving Behavior for Pedestrian Crossing Events[J]. Journal of South China University of Technology(Natural Science), 2024 , 52(4) : 114 -125 . DOI: 10.12141/j.issn.1000-565X.230096

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