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http://dx.doi.org/10.12815/kits.2019.18.4.31

Analysis of Take-over Time and Stabilization of Autonomous Vehicle Using a Driving Simulator  

Park, Sungho (Dept. of Construction and Transportation Eng., Ajou University)
Jeong, Harim (Dept. of Construction and Transportation Eng., Ajou University)
Kwon, Cheolwoo (Dept. of Construction and Transportation Eng., Ajou University)
Kim, Jonghwa (Korea Automobile Testing & Research Institute, Korea Transportation Safety Authority)
Yun, Ilsoo (Dept. of Transportation Eng., Ajou University)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.18, no.4, 2019 , pp. 31-43 More about this Journal
Abstract
Take-overs occur in autonomous vehicles at levels 3 and 4 based on SAE. For safe take-over, it is necessary to set the time required for diverse drivers to complete take-over in various road conditions. In this study, take-over time and stabilization characteristics were measured to secure safety of take-over in autonomous vehicle. To this end, a virtual driving simulator was used to set up situations similar to those on real expressways. Fifty drivers with various sexes and ages participated in the experiment where changes in traffic volume and geometry were applied to measure change in takeover time and stabilization characteristics according to various road conditions. Experimental results show that the average take-over time was 2.3 seconds and the standard deviation was 0.1 second. As a result of analysis of stabilization characteristics, there was no difference in take-over stabilization time due to the difference of traffic volume, and there was a significant difference by curvature changes.
Keywords
Autonomous vehicle; Take-over; Virtual driving simulator; Ergonomics; Stabilization;
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