Browse Publications Technical Papers 2001-06-0073

EEVC research in the field of improvement of crash compatibility between passenger cars 2001-06-0073

EEVC Working Group 15 (Compatibility Between Passenger Cars) has carried out research for several years thanks to collaborative project funded by the E.C. and also by exchanging results of projects funded by national programs. The main collaborative activity of the EEVC WG15 for the last four years was a research project partly funded by the European Commission, where the group made the first attempt to investigate compatibility between passenger cars in a comprehensive research program. Accident, crash test, and mathematical modelling data were analyzed. The main result was that structural incompatibilities were frequently found and identified as the main source of incompatibility problems but were not easy to quantify. Unfortunately as little vehicle information other than mass is recorded in most accident databases, most analyses have only been able to show the effect of mass or mass ratio.
Common ideas to improve compatibility have been reached by this group and from discussion with other research groups. They will be investigated in the next phase, where research work will concentrate on the development of methods to assess compatibility of passenger cars. The main idea is that the prerequisite to improve crash compatibility between cars is to improve structural interaction.
The most important issue is that improved compatibility must not compromise a vehicle's self protection. Test methods should lead to vehicles which show good structural interaction in car-to-car accidents. Test methods to prove good compatibility may be an adaptation of existing regulatory test procedures (offset deformable barrier test or full width test like in the USA) for frontal impact or may be new compatibility tests. Additional criteria, e.g., impact force distribution, and maximum vehicle deceleration or maximum vehicle impact force should result in compatible cars. Attempts will be made to estimate the benefit of a more compatible car fleet for the European Community.


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