Pedestrian Dummy Pelvis Impact Responses

2009-01-1214

04/20/2009

Event
SAE World Congress & Exhibition
Authors Abstract
Content
In order to investigate pedestrian injury mechanism by representing whole body kinematics of a pedestrian, a pedestrian dummy (POLAR II) has been developed. Previous studies indicated that the original pelvis design needed to be modified from the comparison of POLAR II and PMHS (Post Mortem Human Subject) responses in a pedestrian impact test with a SUV (Sports Utility Vehicle). In addition, according to the results of an in-depth investigation of pedestrian versus SUV or mini-van accidents in the US, pelvis fracture was found to be most frequent in AIS 2+ pelvis and lower limb injuries. Based on these findings, the POLAR II pelvis was modified for improved biofidelity. The modified pelvis design incorporated the flexible ilium (polyacetal resin) and pubic symphysis (rubber material) as opposed to the original pelvis cast in aluminum. The modified pelvis responses were verified against published isolated pelvic PMHS test results in lateral compression of the pelvis. The results showed that the force-deflection responses had good correlation with the published response data for both iliac and acetabulum loading.
Meta TagsDetails
DOI
https://doi.org/10.4271/2009-01-1214
Pages
13
Citation
Okamoto, M., Akiyama, A., and Takahashi, Y., "Pedestrian Dummy Pelvis Impact Responses," SAE Technical Paper 2009-01-1214, 2009, https://doi.org/10.4271/2009-01-1214.
Additional Details
Publisher
Published
Apr 20, 2009
Product Code
2009-01-1214
Content Type
Technical Paper
Language
English