Success was achieved in the last 17 years in increasing traffic safety. The number of people killed has dropped dramatically despite a considerable increase in the number of vehicles involved. The passive safety requirements imposed on passenger vehicles and the technical concepts designed to satisfy these requirements, are examined. The interpretation of the functions leads to the definition of the basic demands to be made of an occupant restraint systems. Use can be made, for example, of belt force limiters to reduce the forces acting on the occupant during the restraint process. A belt lock-up or belt pre-tensioners can be used to limit the throw-forward distance. Numerous measures have to be taken to make a restraint system comfortable. Belt height adjustment, for example, provides an individual adaptation of belt position. An important safety feature is the seat plus head restraint. The seat has a considerable influence on the effectiveness of the entire system both in the event of a head-on collision and in the case of a rear end collision. If it is assumed that there is good correlation between the load values measured with dummies and the real risk of injury for a person involved in an accident, the possible benefit of any safety measure can be forecast. The efforts to improve passive safety must also include cyclists, motor cyclists, and pedestrians. It is hoped that the number of people who sustain serious injuries or even lose their lives as a result of a traffic accident will continue to drop in the future. This goal will be attained if all those involved sustain their efforts to increase road traffic safety.


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    Title :

    Requirements and Criteria for the Passive Safety of Automobiles


    Contributors:
    R. Weissner (author)

    Publication date :

    1988


    Size :

    6 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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