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THE UNIVERSITY OF ADELAIDE
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Publication Details

TitleIntegrated assessment of pedestrian head impact protection in testing secondary safety and autonomous emergency braking
AuthorsSearson DJ, Anderson RWG, Hutchinson TP
Year2014
TypeJournal Article
AbstractPedestrian impact testing is used to provide information to the public about the relative level of protection provided by different vehicles to a struck pedestrian. Autonomous Emergency Braking (AEB) is a relatively new technology that aims to reduce the impact speed of such crashes. It is expected that vehicles with AEB will pose less harm to pedestrians, and that the benefit will come about through reductions in the number of collisions and a change in the severity of impacts that will still occur. In this paper, an integration of the assessment of AEB performance and impact performance is proposed based on average injury risk. Average injury risk is calculated using the result of an impact test and a distribution of crash speeds encountered in the field. When the speed distribution is modified by AEB, reduced average risks are implied. This principle allows the effects of AEB systems and secondary safety performance to be integrated into a single measure of safety. The results are used to examine the effect of AEB on Euro NCAP and ANCAP assessments using previously published results on the likely effect of AEB. The results show that, given certain assumptions about AEB performance, the addition of AEB is approximately the equivalent of increasing Euro NCAP test performance by one band, which corresponds to an increase in the score of 25% of the maximum.
Journal TitleAccident Analysis and Prevention
Journal Volume (Issue)63
Page Range1-8

Reference
Searson DJ, Anderson RWG, Hutchinson TP (2014) 'Integrated assessment of pedestrian head impact protection in testing secondary safety and autonomous emergency braking', Accident Analysis and Prevention, 63, pp 1-8.