The feasibility of an automatically controlled variable-load hydraulic energy absorber for use in crashworthy seating systems was investigated. In contrast to other systems, this model contained an acceleration-sensing device capable of automatic control to compensate for difference in occupant weight. A series of dynamic crash tests were performed in which the hardware successfully decelerated weights representing those of the 5th-through 95th-percentile occupants to a predetermined constant acceleration. The system was also prepared to a previously developed variable-load energy absorber system in terms of size, weight, cost, reliability, and accuracy. The program concluded that the automatically controlled variable-load energy absorber is capable of providing a predetemined constant deceleration, but recommends further testing with human surrogates to verify the capability of property protecting human occupants from spinal injury.


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    Title :

    Design and development of an automatically controlled variable-load energy absorber


    Additional title:

    Konstruktion und Entwicklung eines automatisch arbeitenden Energieabsorbers fuer Fahrzeugsitze mit unterschiedlicher Belastung


    Contributors:

    Published in:

    Publication date :

    1984


    Size :

    71 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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