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Journal Article

Citation

Lenard J, Welsh R, Danton R. Accid. Anal. Prev. 2018; 115: 128-136.

Affiliation

GBB, Crown House, Burnley, UK.

Copyright

(Copyright © 2018, Elsevier Publishing)

DOI

10.1016/j.aap.2018.02.028

PMID

29567589

Abstract

The aim of this study was to describe the position of pedestrians and pedal cyclists relative to the striking vehicle in the 3 s before impact. This information is essential for the development of effective autonomous emergency braking systems and relevant test conditions for consumer ratings. The UK RAIDS-OTS study provided 175 pedestrian and 127 pedal-cycle cases based on in-depth, at-scene investigations of a representative sample of accidents in 2000-2010. Pedal cyclists were scattered laterally more widely than pedestrians (90% of cyclists within around ±80° compared to ±20° for pedestrians), however their distance from the striking vehicle in the seconds before impact was no greater (90% of cyclists within 42 m at 3 s compared to 50 m for pedestrians). This data is consistent with a greater involvement of slow moving vehicles in cycle accidents. The implication of the results is that AEB systems for cyclists require almost complete 180° side-to-side vision but do not need a longer distance range than for pedestrians.

Copyright © 2018 Elsevier Ltd. All rights reserved.


Language: en

Keywords

AEB sensors; Autonomous emergency braking; Pedal cycle; Pedestrian; Pre-impact location; Time-to-collision

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