Semi-automated versus highly automated driving in critical situations caused by automation failures |
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| Affiliation: | 1. SAFER Vehicle and Traffic Safety Centre at Chalmers, Box 8077, SE-402 78 Göteborg, Sweden;2. VTI Swedish National Road and Transport Research Institute, Box 8072, SE-402 78 Göteborg, Sweden;3. SP Technical Research Institute of Sweden, Box 857, SE-501 15 Borås, Sweden;4. Division Design & Human Factors, Chalmers University of Technology, SE-412 96 Göteborg, Sweden;1. Würzburg Institute for Traffic Sciences (WIVW), Robert-Bosch-Straße 4, 97209 Veitshöchheim, Germany;2. Ford Research & Advanced Engineering, Süsterfeldstraße 200, 52072 Aachen, Germany;3. Ford Research & Advanced Engineering, Spessartstrasse Tor 54, 50725 Cologne, Germany;1. San Jose State University, Department of Aviation and Technology, San Jose, CA, United States;2. fka GmbH, Aachen, Germany;3. Institute for Automotive Engineering (ika), RWTH Aachen University, Aachen, Germany |
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| Abstract: | The purpose of this study was to examine the effects of vehicle automation and automation failures on driving performance. Previous studies have revealed problems with driving performance in situations with automation failures and attributed this to drivers being out-of-the-loop. It was therefore hypothesized that driving performance is safer with lower than with higher levels of automation. Furthermore, it was hypothesized that driving performance would be affected by the extent of the automation failure. A moving base driving simulator was used. The design contained semi-automated and highly automated driving combined with complete, severe, and moderate deceleration failures. In total the study involved 36 participants. The results indicate that driving performance degrades when the level of automation increases. Furthermore, it is indicated that car drivers are worse at handling complete than partial deceleration failures. |
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| Keywords: | Vehicle automation Driving performance Out-of-the-loop performance Automation failures HMI ACC Automated driving |
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