|Table of Contents|

Analysis of the influence of longitudinal slope changes of undersea tunnels on drivers’ EEG signals(PDF)

Journal of Shenzhen University Science and Engineering[ISSN:1000-2618/CN:44-1401/N]

Issue:
2022 Vol.39 No.3(237-362)
Page:
271-277
Research Field:
Transportation Logistics

Info

Title:
Analysis of the influence of longitudinal slope changes of undersea tunnels on drivers’ EEG signals
Author(s):
YANG Yongzheng1; PAN Fuquan1; WANG Zhaoqiang2; ZHANG Lixia1; and YANG Jinshun1
1) School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, Shandong Province, P.R.China
2) Qingdao Municipal Engineering Design and Research Institute, Qingdao 266100, Shandong Province, P.R.China
Keywords:
highway transportation;  undersea tunnel;  longitudinal slope;  driver;  electroencephalography;  brain region;  driving safety
PACS:
U491.3
DOI:
10.3724/SP.J.1249.2022.03271
Abstract:
In order to clarify the impact of changes in the longitudinal slope of undersea tunnel on the driver’s electroencephalography (EEG) signal, real vehicle experiments are carried out, using EEG instrument, gradient recorder, video recorder and other experimental equipments to collect data, such as driver’s EEG and the data on the longitudinal slope of the undersea tunnel. The EEG power spectrum and EEG power are selected as parameters, and the EEG signal change law is analyzed when the driver passes through the undersea tunnel’s slope change area; the slope change areas are grouped according to the difference of the up and down slopes, and the mathematical models of the longitudinal slope change and the change of EEG β wave power have been established respectively. The study results show that the brain activity level of drivers increases significantly when passing through the gradient zone; the frontal area is the brain area which is most sensitive to the changes in longitudinal slope; the longitudinal slope and its change are positively correlated with the change of the driver’s EEG β wave power. The smaller the longitudinal slope, the smaller the EEG β wave power change; the lower the driver’s psychological pressure, the better the driving safety.

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