基于驾驶员心率的高速公路纵坡路段驾驶舒适度评价研究
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河北工业大学土木与交通学院

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中图分类号:

U491

基金项目:

国家自然科学基金项目(面上项目,重点项目,重大项目)


Research on Evaluation of Driving Comfort on Longitudinal Slope Section of Highway Based on Driver’s Heart Rate
Author:
Affiliation:

Hebei University of Technology

Fund Project:

National Natural Science Foundation of China (51108011)

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    摘要:

    为了量化分析高速公路纵坡路段的驾驶舒适度,进行实车实验,采集驾驶员心生理数据、道路参数以及车辆运行速度数据。运用傅里叶变换转化驾驶员心率随机信号来研究心率变化的规律。采用偏相关分析,确定上、下坡路段影响驾驶员心率增长率的显著性因素。以交通工程学、人因工程学和心理学为基础,探究坡度和速度差对驾驶员心率增长率的影响,构建了基于心率增长率阈值的驾驶舒适度评价模型。研究结果表明:坡度、速度差与驾驶员心率增长率显著相关,而坡长与驾驶员心率增长呈弱相关;上坡路段行车时驾驶员心率增长率主要分布在15%~32%之间,坡度对驾驶舒适度影响较大;下坡路段行车时驾驶员心率增长率主要分布在15%~35%之间,速度差对驾驶舒适度影响较大。研究结果可为高速公路纵坡路段安全管理提供理论依据。

    Abstract:

    In order to quantitatively analyze the driving comfort of the highway on the longitudinal slope section, real vehicle experiments were carried out to collect the driver's physiological data, road parameters and driving speed. Fourier transform was used to transform the driver's heart rate random signal to study the law of heart rate changes. Partial correlation analysis was used to determine the significant factors affecting the driver's heart rate growth rate on the uphill and downhill section. Based on traffic engineering, human factors engineering and psychology, explore the influence of slope and speed difference on the driver's heart rate growth rate, and build a driving comfort evaluation model based on the heart rate growth rate threshold. The research results show that the slope and speed difference are significantly related to the driver's heart rate growth rate, while the slope length is weakly related to the driver's heart rate growth rate. When driving on an uphill section, the driver’s heart rate growth rate is mainly distributed between 15% and 32%, and the slope has a greater impact on driving comfort. When driving on a downhill section, the driver’s heart rate growth rate is mainly distributed between 15% and 35%, and the speed difference has a greater impact on driving comfort. The research results can provide a theoretical basis for the safety management of highway longitudinal slope section.

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引用本文

乔建刚,杨程. 基于驾驶员心率的高速公路纵坡路段驾驶舒适度评价研究[J]. 科学技术与工程, , ():

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  • 收稿日期:2021-11-25
  • 最后修改日期:2022-03-27
  • 录用日期:2022-04-30
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