高原公路纵坡路段驾驶员心率变化特性分析

发布时间：2018-03-01 22:27

本文关键词： 高原公路纵坡驾驶员心率增长率行车安全　出处：《中国安全科学学报》2014年12期 　论文类型：期刊论文

【摘要】：为掌握高原公路纵坡路段驾驶员心率变化特征,使道路线形参数选择得更合理、更有利于安全行车,利用生物反馈仪在海拔3 000 m以上的高原公路进行驾驶员行车试验。通过定量分析,确定了高原公路纵坡路段影响驾驶员心率变化的主要因素,并分别建立驾驶员心率增长率与纵坡高程、坡度的关系模型,以及纵坡高程、坡度与心率增长率的二元回归模型。分析结果表明,驾驶员心率变化随海拔升高而增大,心率增长率约在海拔3 600 m后呈加速增加趋势;驾驶员心率变化随道路纵坡度增大而增大,上坡时(正)坡度、下坡时(负)坡度增加均会导致心率增长率增加;在海拔和坡度的共同作用下驾驶员心率变化更为明显,海拔越高、坡度越大,心率增长率越大。
[Abstract]:In order to understand the characteristics of heart rate change of the drivers in the longitudinal slope section of plateau highway, the selection of road alignment parameters is more reasonable, and it is more conducive to safe driving. Using biofeedback instrument to carry out driving test on highland highway above 3 000 m above sea level. Through quantitative analysis, the main factors that affect the heart rate of drivers in the longitudinal slope section of plateau highway are determined. The relationship model between the heart rate growth rate and the elevation of the longitudinal slope, the slope degree, and the dual regression model of the vertical slope height, the gradient and the heart rate growth rate are established respectively. The results show that the change of the heart rate of the driver increases with the increase of altitude. The increase rate of heart rate was accelerated after 3 600 m above sea level, the change of heart rate of driver increased with the increase of longitudinal slope of road, and the increase of (positive) slope and (negative) slope of downhill resulted in the increase of heart rate growth rate. Under the joint action of altitude and slope, the change of heart rate is more obvious. The higher the altitude, the bigger the slope, the greater the increase of heart rate.
【作者单位】：新疆农业大学机械交通学院;交通运输部公路科学研究所;
【基金】：国家自然科学基金资助(51168045)
【分类号】：U491.254

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