Abstract
To study the influence of the driving environment of an undersea tunnel on driver EEG (electroencephalography) characteristics and driving safety, a real vehicle experiment was performed in the Qingdao Jiaozhou Bay Tunnel. The experimental data of the drivers’ real vehicle experiment were collected using an illuminance meter, EEG instrument, video recorder and other experimental equipment. The undersea tunnel is divided into different areas, and the distribution law of driving environment characteristics, EEG characteristics and vehicle speed characteristics is analyzed. The correlations between the driving environment characteristics, EEG characteristics and vehicle speed characteristics model the variables that pass the correlation test. The driving safety evaluation model of an undersea tunnel is established, and the driving safety in different areas of the undersea tunnel is evaluated. The results show that there are obvious differences in illumination, EEG power change rate, vehicle speed and other variables in different areas of the undersea tunnel. The driving environment characteristics are highly correlated with the β wave power change rate. The driving safety of different areas of the undersea tunnel from high to low is: upslope area, downslope area, exit area and entrance area. The study will provide a theoretical basis for the safe operation of the undersea tunnel.
Highlights
Accepted: 8 September 2021Undersea tunnel is a passage built under the sea for people and vehicles
This leads to a large longitudinal slope change throughout the undersea tunnel, which will have a negative impact on the driving safety [2]
The illuminance data and longitudinal slope obtained from the the experiment experiment were were processed, and the distribution of illuminance and longitudinal slope processed, and the distribution of illuminance and longitudinal slopeof of the the undersea undersea tunnel tunnelisisshown shownin inFigure
Summary
Undersea tunnel is a passage built under the sea for people and vehicles. It can change the traffic pattern and promote the social and economic development on both sides of the tunnel [1]. The path of the undersea tunnels enters the seabed from the land, passes under the seabed and moves outward to the land. This leads to a large longitudinal slope change throughout the undersea tunnel, which will have a negative impact on the driving safety [2]. Under the interaction of longitudinal slope and illumination changes, drivers will face greater tests in behavior and psychology, which will create a serious hidden danger for driving safety [4,5]
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