This paper investigates feasibility and performance of a novel proposal of using an automatically extending active bumper system to absorb impact energy in vehicle frontal collisions. It is proposed to use a 1.5 m extending bumper supported by two hydraulic cylinders fixed to the longitudinal columns of the vehicle. A specially adapted fast response hydraulic flow control valve with a learning digital computer control is proposed. Simulation investigations revealed a maximum level of 7g deceleration could be achieved in a 30 mph collision.


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    Title :

    Active vehicle bumber to improve safety in frontal collisions


    Author / Creator :

    Type of media :

    Conference paper


    Type of material :

    Print



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