Today there is a general trend towards increased train speeds (see also SECTION II). However, higher speeds usually generate increased forces and accelerations on the vehicle and subsequently forces on the track. This leads to requirements for lighter car bodies, which reduce the impact between wheels and rails. However, lowering the car-body weight also means a reduction of the stiffness of the vehicle structure, which results in lower natural frequencies. This increases the risk of resonance vibrations, which negatively affects ride comfort. Car body vibrations can be reduced either by focussing on the structural stiffness of the system or by optimizing the damping components ([56]).


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    Title :

    The Vehicle Subsystem


    Additional title:

    Springer Tracts on Transportation, Traffic


    Contributors:


    Publication date :

    2013-01-01


    Size :

    5 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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