Chair for Computer Aided Medical Procedures & Augmented Reality
Lehrstuhl für Informatikanwendungen in der Medizin & Augmented Reality

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Laura K. Thompson, M. Tönnis
Facing Diversity when Designing and Evaluating Driver Support Systems
In "Meeting Diversity in Ergonomics", Elsevier, Sep 2007 (bib)

An increasing amount of computing technology is being integrated into vehicles in the form of ADAS and in-vehicle information systems. In approaching the dream of fully automated cars, these driver support systems must be able to handle the diversity of individual drivers and driving situations. Consequently, the focus of research should be on design of adaptive and cooperative systems. In particular, the design process should focus on developing an integrated driver-vehicle interface instead of individual functions. Most importantly, the safety and comfort benefits of each driver support system need to be thoroughly evaluated as to minimise unsafe behaviour in the form of behavioural adaptation, driver distraction or high workload. As an example of such an evaluation, this chapter describes a study concerning the design of minimally distractive control devices for an adaptive cruise control (ACC) system. ACC is designed to support the primary task of driving, in that it controls both vehicle speed and headway. However, adjusting the settings should not lead to driver distraction. Therefore, two driver-vehicle interface concepts for an ACC system were designed and tested in a fixed-base driving simulator. Adjusting both settings at once had the most detrimental effect on driving performance and visual distraction. Dividing the controls between the steering wheel and dashboard also increased visual distraction. The results are used to derive recommendations for the design of minimally distractive driver-vehicle interfaces.
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