Characteristics of driver fatigue and fatigue-relieving effect of special light belt in extra-long highway tunnel: A real-road driving study

被引：44
作者：
Qin, Pengcheng [1 ,2 ]
Wang, Mingnian [1 ,2 ]
Chen, Zhanwen [1 ,2 ]
Yan, Guanfeng [1 ,2 ]
Yan, Tao [1 ,2 ]
Han, Changling [3 ]
Bao, Yifan [1 ,2 ]
Wang, Xu [1 ,2 ]
机构：
[1] Southwest Jiaotong Univ, Sch Civil Engn, Chengdu 610031, Peoples R China
[2] Southwest Jiaotong Univ, Key Lab Transportat Tunnel Engn, Minist Educ, Chengdu 610031, Peoples R China
[3] China Commun Construct First Highway Consultants, Xian 710075, Peoples R China
来源：
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY | 2021年 / 114卷
基金：
中国国家自然科学基金;
关键词：
Extra-long highway tunnel; HRV; KSS; Driver fatigue; Special light belt; HEART-RATE-VARIABILITY; TRAFFIC ACCIDENTS; ACTION SPECTRUM; BLUE-LIGHT; IMPACT; PERFORMANCE; SYSTEM; SAFETY; SLEEPINESS; MELATONIN;
D O I：
10.1016/j.tust.2021.103990
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
To study the characteristics of driver fatigue and effect of a special light belt to relieve driver fatigue in an extralong highway tunnel, real-road driving tests were conducted in the Yanglin extra-long tunnel. The tests were conducted separately under two conditions: a condition with a conventional tunnel lighting environment and a condition with a special light belt zone in the tunnel. In the tests, the electrocardiography method and Karolinska Sleepiness Scale (KSS)-based self-rating method were selected as the fatigue assessment methods. The study established mathematical models between the heart rate variability (HRV) indicator and driving time in the tunnel under the aforementioned conditions by employing principal component analysis and obtained the KSS rating values before and after driving through the tunnel. The results demonstrated that driver fatigue occurred after driving through the extra-long tunnel with variations in the HRV indicators and an increase in the KSS selfrating. The driver fatigue accumulated slowly in the first 5 min in the tunnel, followed by a rapid accumulation after the sixth minute, and it slowed down again at the end of the tunnel owing to the outside light. When the special light belt was turned on, the variations in HRV indicators and increase in the KSS rating diminished. The paired samples t-test showed significant differences in the HRV indicators and KSS ratings between the two driving conditions after passing the light belt zone. This indicates that the special light belt was effective in relieving driver fatigue in the extra-long tunnel.
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页数：16
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