Handing control back to drivers: Exploring the effects of handover procedure during transitions from Highly Automated Driving |
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| Affiliation: | 1. Environmental Research and Innovation Department, Luxembourg Institute of Science and Technology, Belvaux 4422, Luxembourg;2. Center for Human-Computer Interaction, University of Salzburg, Jakob-Haringer Straße 8/Techno 5, Salzburg, Austria;3. Université de Poitiers, CNRS, Centre de Recherches sur la Cognition et l’Apprentissage, Poitiers, France;4. Snt, University of Luxembourg, Maison du Nombre (2nd Floor), 6 avenue de la Fonte, L-4364 Esch-sur-Alzette, Luxembourg;1. Renault SAS, Laboratoire d’accidentologie, de biomécanique et d’étude du comportement humain, Nanterre, France;2. Université Gustave Eiffel, IFSTTAR, TS2-LESCOT, Lyon, France;3. Nantes Université, CNRS, Laboratoire des sciences du numérique de Nantes, Nantes, France;1. Department of Industrial and Systems Engineering, San Jose State University, One Washington Sq., San Jose, CA 95192, United States;2. School of Industrial Engineering, Purdue University, 315 N. Grant St., West Lafayette, IN 47907-2023, United States;1. Cognitive Psychology and Cognitive Ergonomics, Technische Universität Berlin, Secr. MAR 3-2, Marchstr. 23, 10587 Berlin, Germany;2. Ludwig-Maximilians-Universität München, Frauenlobstr. 7a, 80337 München, Germany |
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| Abstract: | The operational capabilities of automated driving features are limited and sometimes require drivers’ intervention through a transition of control. Assistance at an operational level might be extremely beneficial during transitions but the literature lacks evidence on the topic. A simulator study was conducted to investigate the potential impacts that lateral assistance systems might have while the Automated Driving System (ADS) hands back control to the driver. Results showed that drivers benefitted from a strong Lane Keeping Assist during the first phase of the transfer, helping them to keep the lane centre. However, assisting the drivers at an operational level did not enhance their capability of addressing a more complex task, presented as a lane change. In fact, it was more task-specific assistance (Blind-spot assist) that allowed drivers to better cope with the tactical decision that the lane change required. Moreover, longer exposure to lane-keeping assist systems helped them in gaining awareness of the surrounding traffic and improved the way drivers interacted with the Blind-spot assist. |
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| Keywords: | Driver behavior Vehicle automation Intelligent vehicle systems Autonomous driving |
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