To study the problems associated with vibration control of train-bridge-track systems a mathematical model with the capability of representing supplementary vibrational control devices is proposed. The train system is assumed as rigid bodies supported on double-deck suspension mechanism with semiactive features. The bridge system is modeled using the modal approach. Vibration control for bridge responses is provided by tuned mass dampers. A non-classical incremental eigen value analysis is proposed to trace the system characteristics across the time. In an example, the capability of the proposed model in investigating the vibration control prospects of a bridge-train system is shown. The results indicate the effectiveness of active suspension mechanism in reducing train's body movements, particularly the pitching angle and the vertical accelerations. Accordingly, the results also verify the potential of TMD (Tuned Mass Damper) devices in reducing the bridge responses at resonance motions.


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    Title :

    Vibration control in train-bridge-track systems


    Additional title:

    Vibrationsregelung der Radaufhängung von Eisenbahnwagen auf Brücken


    Contributors:

    Published in:

    Vehicle System Dynamics ; 46 , 5 ; 355-384


    Publication date :

    2008


    Size :

    30 Seiten, 31 Bilder, 3 Tabellen, 24 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English