雨天高速公路纵坡对驾驶员心率及行车速度影响

吴艳霞; 刘剑; 黄帅; 乔建刚

doi:10.3963/j.jssn.1674-4861.2021.04.005

雨天高速公路纵坡对驾驶员心率及行车速度影响

doi: 10.3963/j.jssn.1674-4861.2021.04.005

吴艳霞^{1, 2,},
刘剑³,
黄帅¹,
乔建刚^1, ,

1.
河北工业大学土木与交通学院天津 300401
2.
天津市交通科学研究院天津 300074
3.
中电建冀交高速公路投资发展有限公司石家庄 050000

基金项目:

国家自然科学基金项目 51108011

国家安全生产监督总局科技项目 hebei-0009-2017AQ

详细信息

作者简介:
吴艳霞(1988—), 博士研究生.研究方向: 道路交通安全、智能交通.E-mail: wuyanxia_0@163.com

通讯作者:
乔建刚(1963—), 博士, 教授.研究方向: 交通安全、交通规划、智能交通.E-mail: qiaojg369@126.com

中图分类号: U491.2
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- HTML全文浏览量: 160
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- 被引次数: 0
出版历程
- 收稿日期: 2020-06-17

Influences of Longitudinal Slopes of Highways on Drivers' Heart Rate and Driving Speeds on Rainy Days

WU Yanxia^{1, 2
,},
LIU Jian³,
HUANG Shuai¹,
QIAO Jian-gang^{1
, ,}

1.
School of Civil and Transportation, Hebei University of Technology, Tianjin 300401, China
2.
Tianjin Research Institute of Transportation Science, Tianjin 300074, China
3.
Zhong Dian Jian Ji Jiao Expressway Investment development Co., Ltd., Shijiazhuang 050000, China

摘要

摘要: 为了探究降雨时高速公路纵向坡度对行车安全的影响, 以驾驶员的心率增长率(HRGR)和行车速度做为特征参数, 量化分析晴朗和降雨天气下行车速度与驾驶员心率和纵向坡度之间的关系。开展实地驾驶试验采集基础数据, 提取特征参数进行数据融合, 在控制其他因素不变的情况下, 对比晴天和雨天驾驶员HRGR和车辆行驶速度表现的异同, 并确定纵坡路段的研究特征点; 分析晴天和雨天行车速度表现与驾驶员HRGR变化规律, 建立晴天和雨天驾驶员HRGR和行车速度与道路纵向坡度之间的量化关系模型。结果表明: 道路条件相同时, 驾驶员HRGR与行车速度在晴天和雨天的变化规律是分别一致的, 但雨天驾驶员HRGR变化幅度更大, 减速次数更多; 随坡度增大(坡度区间为[1.0%, 4.0%]), 驾驶员HRGR在下坡路段满足指数增长模型, 在上坡路段满足对数增长模型; 行车速度在上坡路段是呈负指数下降趋势, 但在下坡路段, 行车速度在晴天呈指数型增长, 在雨天却呈现出二次多项式先增长再下降的变化规律。
- 交通安全 /
- 高速公路 /
- 参数模型 /
- 道路纵坡 /
- 驾驶员HRGR /
- 行车速度
Abstract: The quantitative relationships between longitudinal gradients and driving speeds and those between longitudinal gradients and drivers' heart rate growth rate(HRGR)are studied under sunny and rainy weather. Basic data is collected through a field driving test to extract feature parameters for data fusion. Other factors are unchanged to compare similarities and differences between the vehicle speeds and the drivers' HRGR on sunny and rainy days. Based on these, this study feature points of the longitudinal slope section are determined. Four quantitative models are established by analyzing the performance rules of drivers' HRGR and driving speeds on sunny and rainy days. These four models are the relationships between driving speeds and slope gradients on sunny and rainy days and those between drivers' HRGR and slope gradients. The results show that under the same road conditions, the change trends of drivers' HRGR and driving speeds on sunny and rainy days are the same. However, the drivers' HRGR on rainy days changes more greatly, with more deceleration. With the increased gradient range [1.0, 4.0%], the drivers' HRGR satisfy the exponential growth model in the downhill section and the logarithmic growth model in the uphill section. The driving speeds show a negative exponential decline in the uphill section. In the downhill section, the driving speeds satisfy the exponential growth on sunny days. On rainy days, the quadratic polynomial of the relationship first increases and then decreases.
- traffic safety /
- highways /
- parametric model /
- longitudinal slopes /
- drivers' HRGR /
- driving speeds

HTML全文

图 1 试验设备及安装

Figure 1. Test equipments and installation

下载: 全尺寸图片幻灯片

图 2 驾驶员HRGR在晴天和雨天的不同表现

Figure 2. Different performance of the drivers'HRGR on sunny and rainy days

下载: 全尺寸图片幻灯片

图 3 车辆行驶速度在晴天和雨天的不同表现

Figure 3. Different performance of the vehicle speeds on sunny and rainy days

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图 4 下坡路段特征位置对应的速度和驾驶员HRGR

Figure 4. Speeds and drivers'HRGR corresponding to characteristic positions in the downhill section

下载: 全尺寸图片幻灯片

图 5 不同天气条件下坡路段上的驾驶员HRGR分布

Figure 5. Distribution of Drivers'HRGR on longitudinal slopes under different weather conditions

下载: 全尺寸图片幻灯片

图 6 不同天气条件下纵坡路段的驾驶员HRGR对比

Figure 6. Different drivers'HRGR on longitudinal slopes under different weather conditions

下载: 全尺寸图片幻灯片

图 7 不同天气条件下纵坡路段上的速度分布

Figure 7. Speed distribution on longitudinal slopes under different weather conditions

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图 8 不同天气条件下纵坡路段的速度对比

Figure 8. Different speeds in longitudinal slope sections under different weather conditions

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表 1 分析路段信息列表

Table 1. Information of the test road sections

路段编号	坡度/%	坡长/m
1	1.00	491
2	1.17	401
3	1.45	408
4	1.65	517
5	2.04	890
6	2.73	696
7	2.92	493
8	3.33	900
9	3.58	700
10	3.82	968

下载: 导出CSV

表 2 下坡路段的地点速度与驾驶员HRGR

Table 2. Site speeds and drivers'HRGR in downhill sections

位置	速度(km/h)	驾驶员HRGR/%
LP	113.3	12.25
1/4P	115.7	19.80
MP	116.3	15.69
3/4P	114.0	12.75
HP	111.5	22.06

下载: 导出CSV

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