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2017 ESV - IGLAD-International Haromonized In-Depth Accident Data

In the light of more active safety systems and autonomous driving controversial discussions are going on about the role of restraint systems. Although current belt and airbag systems reach a good safety level, many challenges were generated by consumer tests, legislation, and urban vehicles but also by the occupant's diversity in terms of age and anatomy. Thus, passive safety measures will not only remain necessary, they have to be further improved. To derive appropriate future measures the following research questions have to be answered:
- Which effect do current restraint systems show in real accidents?
- Do all car occupants equally benefit from available systems independent of their individual characteristics?
- Which actions are necessary to address severely injured occupants in the future?
For the analyses, data from GIDAS is used. The database contains approximately 30.000 accidents from onscene investigations. Every accident is reconstructed and besides numerous technical parameters, the database contains detailed medical and personal data. To get an impression of accidents in other countries, additional data of the IGLAD database is used. At first, the current situation is analysed based on descriptive
statistics. The influence of several restraint systems (e.g. belts with and without pretensioners and load limiters) on the occupant’s injury severity is analysed. As the injury severity of car occupants is influenced by many parameters, multivariate logistic regressions are used to identify their relevance and to point out differences between several restraint systems.
The analysis shows that, besides others, the occupant’s age has an effect on the injury severity. The demographic change in many countries will put an even higher emphasis on elderly people in accidents. In general, the benefit of load limiters and pretensioners can be proved. However, not every person will equally benefit from these measures. The study reveals differences between several age groups as well as between front and rear seat occupants.

ESV 2017 - IGLAD International Harmonized In-Depth Accident Data.pdf


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