Injury Estimation in Frontal Collisions for Automobiles Equipped with Event Data Recorders (EDRs)

Paper #:
  • 2015-01-1447

Published:
  • 2015-04-14
DOI:
  • 10.4271/2015-01-1447
Citation:
Ishikawa, H., Mashiko, K., Matsuda, T., Fujita, K. et al., "Injury Estimation in Frontal Collisions for Automobiles Equipped with Event Data Recorders (EDRs)," SAE Technical Paper 2015-01-1447, 2015, https://doi.org/10.4271/2015-01-1447.
Pages:
6
Abstract:
Event Data Recorders (EDRs) record valuable data in estimating the occupant injury severity after a crash. Advanced Automatic Collision Notification (AACN) with the use of EDR data will determine the potential extent of injuries to those involved in motor vehicle accidents.In order to obtain basic information in injury estimation using EDR data, frontal collisions for 29 vehicles equipped with EDRs were analyzed as a pilot study by retrieving the EDR data from the accident vehicles and collecting the occupant injury data from the database of an insurance company.As a result, the severity of occupant injury was closely related to the Delta V recorded on an EDR. However, there were several cases in which the predicted injury level was overestimated or underestimated by the Delta V. Therefore, caution is required when predicting the level of injury in frontal collisions based upon the Delta V alone. There were also a few cases in which the vehicle's speed at impact and multiple impacts during collision affected the occupant injury severity.This study summarizes the preliminary data analysis results for the occupant injury estimation using EDR data.
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