不同时段特长隧道入口区域视觉负荷研究*

doi:10.16265/j.cnki.issn 1003-3033.2021.06.023

中国安全科学学报 ›› 2021, Vol. 31 ›› Issue (6): 176-181.doi: 10.16265/j.cnki.issn 1003-3033.2021.06.023

不同时段特长隧道入口区域视觉负荷研究^*

梅家林, 杜志刚教授, 郑号染, 许富强

武汉理工大学交通学院,湖北武汉 430063

收稿日期:2021-03-25 修回日期:2021-05-10 出版日期:2021-06-28
作者简介:梅家林 (1998—),男,湖北黄冈人,硕士研究生,研究方向为道路交通安全和交通规划。E-mail:1473506436@qq.com。
基金资助:
国家自然科学基金资助(52072291)。

Research on visual load at entrance area of extra-long tunnel in different periods

MEI Jialin, DU Zhigang, ZHENG Haoran, XU Fuqiang

School of Transportation, Wuhan University of Technology, Wuhan Hubei 430063, China

Received:2021-03-25 Revised:2021-05-10 Published:2021-06-28

摘要/Abstract

摘要： 为探究不同时段驾驶人在隧道入口行驶时的视觉负荷情况,分别在正午、傍晚和夜晚时段在贵州省内特长隧道进行实车试验,选取瞳孔面积变化率和瞬时瞳孔面积频率加权速度作为瞳孔面积变化评价指标,分析入口区域的接近段、入口段和过渡段的视觉负荷情况。结果表明:在正午和傍晚,驾驶人瞳孔面积在接近段无显著变化,在入口段内急速增大,在过渡段趋于稳定,其中瞳孔面积稳定点离洞门距离在正午时段远于傍晚时段;通过瞬时瞳孔面积频率加权速度评价隧道入口区域的视觉负荷,大小排序为:正午过渡段＞正午入口段＞夜间接近段≈夜间入口段≈夜间过渡段＞正午接近段＞傍晚过渡段＞傍晚入口段＞傍晚接近段;在隧道入口区域,驾驶人视觉负荷时段变动比区段变动更为显著。

关键词: 不同时段, 特长隧道, 入口区域, 视觉负荷, 瞳孔面积

Abstract: In order to study drivers' visual load when driving at tunnel entrances at different periods, real vehicle experiment was carried out at noon, dusk and night respectively in extra-long tunnels in Guizhou Province. Change rate of pupil area and frequency-weighted velocity of instantaneous pupil area were selected asevaluation indexes for the area's changes, and visual load of access zones, threshold zones and transition zones of entrance areas was analyzed. The results show that in the midday and evening, drivers' pupil area has no obvious change in access zones, but increases rapidly in threshold zones, and tends to be stable in transition zones. The distance between stable point of pupil area and portal in the midday period is longer than that in the evening. Visual load in different zones can be evaluated based on velocity of instantaneous pupil area, and it ranks as noon transition zone> noon threshold zone > night access zone ≈ night threshold zone ≈ night transition zone > noon access zone > evening transition zone> evening transition zone > evening access zone. In entrance areas, variation of drivers' visual load at different periods is more significant than that in different zones.

Key words: different periods, extra-long tunnel, entrance area, visual load, pupil area

中图分类号:

X910

梅家林, 杜志刚, 郑号染, 许富强. 不同时段特长隧道入口区域视觉负荷研究^*[J]. 中国安全科学学报, 2021, 31(6): 176-181.

MEI Jialin, DU Zhigang, ZHENG Haoran, XU Fuqiang. Research on visual load at entrance area of extra-long tunnel in different periods[J]. China Safety Science Journal, 2021, 31(6): 176-181.

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不同时段特长隧道入口区域视觉负荷研究^*

Research on visual load at entrance area of extra-long tunnel in different periods

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