CityMobil: Human factors issues regarding highly-automated vehicles on an eLane
Toffetti, Antonella and Wilschut, Ellen and Martens, Marieke and Schieben, Anna and Rambaldini, Amon and Merat, Natasha and Flemisch, Frank (2009) CityMobil: Human factors issues regarding highly-automated vehicles on an eLane. Transportation Research Record: Journal of the Transportation Research Board. ISSN 0361-1981.
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In the European project ‘CityMobil’ the human factors aspects of (semi) autonomous driving are investigated. Systems in the car and in the driving environment enable the driver to drive (semi) automatically in a driving lane (eLane). One of the issues is the optimal interface for the change from automated to manual control and vice versa. Therefore, we conducted a driving simulator experiment with the aim to design and test the difference between a vocal and acoustic user interface, for a vehicle driven both manually and automatically. In the experiment the behaviour of 24 drivers was observed, focusing on the transition of control and the occurrence of system errors. The performance of the transition of control was adequate for both interfaces at the beginning and ending of an eLane. In case of system failure, 15% of drivers failed to take timely control of the car for both interfaces. However if drivers regained control, they had a shorter response time to initiated the transfer of control to a manual mode with the vocal interface. Moreover, a subjective questionnaire showed that the vocal interface had a higher acceptance and perceived usability, than the acoustic interface. This study suggests that the vocal interface was preferred by the participants and can be recommended for the HMI of (semi) automated vehicles, especially when providing warnings about the system’s malfunctioning.
|Title:||CityMobil: Human factors issues regarding highly-automated vehicles on an eLane|
|Journal or Publication Title:||Transportation Research Record: Journal of the Transportation Research Board|
|In Open Access:||No|
|In ISI Web of Science:||Yes|
|Keywords:||automated driving, highly-automated driving, CityMobil, eLane, vocal user interface, acoustic user interface|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Transport|
|HGF - Program Themes:||V BF - Bodengebundene Fahrzeuge|
|DLR - Research area:||Transport|
|DLR - Program:||V BF - Bodengebundene Fahrzeuge|
|DLR - Research theme (Project):||V - Fahrerassistenz (old)|
|Institutes and Institutions:||Institute of Transportation Systems > Automotive|
|Deposited By:||Anna Maria Schieben|
|Deposited On:||22 Dec 2009 10:22|
|Last Modified:||26 Mar 2013 13:13|
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