The impact of an adaptive user interface on reducing driver distraction

  • Authors:
  • Patrick Tchankue;Janet Wesson;Dieter Vogts

  • Affiliations:
  • NMMU-Summerstrand Campus (South), Summerstrand, Port Elizabeth, South Africa;NMMU-Summerstrand Campus (South), Summerstrand, Port Elizabeth, South Africa;NMMU-Summerstrand Campus (South), Summerstrand, Port Elizabeth, South Africa

  • Venue:
  • Proceedings of the 3rd International Conference on Automotive User Interfaces and Interactive Vehicular Applications
  • Year:
  • 2011

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Abstract

This paper discusses the impact of an adaptive prototype in-car communication system (ICCS), called MIMI (Multimodal Interface for Mobile Info-communication), on driver distraction. Existing ICCSs attempt to minimise the visual and manual distraction, but more research needs to be done to reduce cognitive distraction. MIMI was designed to address usability and safety issues with existing ICCSs. Few ICCSs available today consider the driver's context in the design of the user interface. An adaptive user interface (AUI) was designed and integrated into a conventional dialogue system in order to prevent the driver from receiving calls and sending text messages under high distraction conditions. The current distraction level is detected by a neural network using the driving speed and steering wheel angle of the car as inputs. An adaptive version of MIMI was compared to a non-adaptive version in a user study conducted using a simple driving simulator. The results obtained showed that the adaptive version provided several usability and safety benefits, including reducing the cognitive load, and that the users preferred the adaptive version.