Driver's Visual Load at Tunnel Entrance and Exit of Sections with High Ratio of Tunnels

被引：0
|
作者：
Duan M.-M. [1 ]
Tang B.-M. [1 ]
Hu X.-H. [2 ]
He B.-K. [3 ]
Liu T.-Z. [4 ]
机构：
[1] School of Civil Engineering & Architecture, Chongqing Jiaotong University, Chongqing
[2] Chongqing Hi-speed Group Co. Ltd., Chongqing
[3] Chongqing Expressway Engineering Consultant Co. Ltd., Chongqing
[4] School of Traffic & Transportation, Chongqing Jiaotong University, Chongqing
来源：
Tang, Bo-Ming (393451865@qq.com) | 2018年 / Science Press卷 / 18期
关键词：
black hole" effect; white hole" effect; Entrance and exit of tunnel; High tunnel ratio section; Pupil area; Traffic engineering; Visual load;
D O I：
10.16097/j.cnki.1009-6744.2018.03.018
中图分类号：
学科分类号：
摘要：
In order to analyze the relationship between the change of driver's visual characteristics and the safety of driving in sections with high ratio of tunnel, the change regulation of pupil area of the driver while going through the tunnel entrance and exit is analyzed. And the concept of "load repeat accumulation effect" is put forward to express the phenomenon of driver's visual change in the process of frequently entering and exiting the tunnels. The maximum transient velocity of pupil area Vω(t) is taken as an evaluation index to describe the change regulation of driver's visual load. The maximum transient velocity value of pupil area which is short for MTPA and the conversion duration for visual turbulence are taken as the basis for judging the size of visual load of the driver's. The evaluation system of drivers' visual comfort at the entrance and exit of tunnels is established, then confirm the visual load according to the evaluation system. Finally, the influence degree of the tunnel entrance and exit on the traffic safety could be determined. The research results show that the research method of this paper is feasible. It could be well applied to the study of visual load evaluation of drivers in sections with high ratio of tunnels, it could also provide a certain reference for the safety guarantee of tunnel entrance and exit. Copyright © 2018 by Science Press.
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页码：113 / 119
页数：6
相关论文
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