In the proposed National Highway Traffic Safety Administration side impact crash test procedure, a vehicle is impacted by a crabbed moving deformable barrier. During such a collision, the impacted door is displaced inwards, at some velocity, and strikes the occupant. One of the major factors that determines the severity of the collision is the speed at which the door contacts the occupant. Although vehicle performance level is assessed by measurement of dummy responses, knowing this door-to-occupant contact velocity is useful for research purposes. Differentiation of the displacement/time data from the above transducers, adjusted for the motion of the car body, produced velocity/time histories at both the driver thorax and H-point locations. This gave door velocities at these locations. Other instruments were also evaluated to determine their utility for accurate door motion measurement. These included string-type linear displacement potentiometers rated for 100g accelerations and door mounted accelerometers.


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    Title :

    Side Impact Door Velocity Measurement


    Contributors:

    Publication date :

    1989


    Size :

    34 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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