The theoretically optimal performance of seat belt systems for occupants in automobile frontal crashes is investigated based on a two-mass injury model of the thorax. The performance is measured by thoracic injury criteria which include the maximum chest acceleration, compression and viscous response. The relationship between the best possible performance (limiting performance) of the seat belt system and the distance between the occupant and the interior components of the vehicle is displayed in the form of trade-off curves, which can be used for the evaluation of seat belt performance. The characteristics of the optimal seat belt force and the kinematics of the system are illustrated. The results indicate that the optimal seat belt force is not constant during an impact and that an initial impulse is required. However, constant seat belt force can provide thoracic restraint that is close to the optimal solution.


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    Titel :

    Limiting performance of seat belt systems for the prevention of thoracic injuries


    Beteiligte:
    Crandall, J.R. (Autor:in) / Cheng, Z. (Autor:in) / Pilkey, W.D. (Autor:in)


    Erscheinungsdatum :

    2000


    Format / Umfang :

    13 Seiten, 10 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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    Crandall, J. R. / Cheng, Z / Pilkey, W. D. | SAGE Publications | 2000


    Limiting performance of seat belt systems for the prevention of thoracic injuries

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    Seat Belt Injuries in Impact

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