An evaluation of inclusive dialogue-based interfaces for the takeover of control in autonomous cars

Conference paper (2018)

Authors

Ioannis Politis University of Cambridge
P. M. Langdon University of Cambridge
Neville Stanton University of Southampton
Damilola Adebayo University of Cambridge
M. D. Bradley University of Cambridge
P.J. Clarkson University of Cambridge
Lee Skrypchuk Jaguar Land Rover Research
Alexander Mouzakitis Jaguar Land Rover Research
Alexander Eriksson Swedish National Road and Transport Research Institute
James W.H. Brown University of Southampton
Kirsten Revell University of Southampton
Affiliation
External organisation
Evaluation Inclusive design Autonomous cars Dialogue system Takeover of control
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Published Date

05-03-2018

Language

English

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Abstract

This paper presents formative research to inform the design of intelligent automotive user interfaces. It describes an evaluation of dialogue-based interfaces, mediating the driver to take back control from the autonomous mode of a car. Four concepts designed to increase driver Situation Awareness were evaluated in a driving simulator. They used dialoguebased interaction, where driving-related information was either asked from or repeated by the driver, with the alternative of a countdown-based interface with no additional information. An inclusive set of participants, with a wide age spectrum, tested the interfaces. The shorter and simpler interaction of the countdown timer was most accepted. The interface seeking answers to driving-related questions came next, and the interface requiring repetition of driving-related information, even when augmented by visual and tactile cues, was least accepted. Design guidelines on utilizing dialogue as a means of keeping the driver in the loop during a takeover were thus derived.