In this paper, based on the heuristic nonlinear creep model the equations of motion of a eight degrees of freedom vehicle system moving on curved tracks, are derived in completeness. In the limiting study, the reduced equations of motion of the vehicle are shown to be consistent with those in the existing literature. It can be observed that in the most of cases, the critical hunting speeds evaluated by the nonlinear creep model of the six degrees of freedom system are greater than those of the eight degrees of freedom system. However, it is not the case in the nonlinear analysis for a vehicle with Kpx being larger than a critical value. In the eight degrees freedom system, in the most of cases, the critical hunting speeds evaluated via the linear creep model are greater than those evaluated via the nonlinear creep model.


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    Title :

    Hunting stability analysis of a new dynamic model of high-speed railway vehicle moving on curved tracks


    Additional title:

    Nachführungsstabilitätsanalyse eines neuen dynamischen Modells für die Bewegung von Hochgeschwindigkeitseisenbahnwaggons auf gekrümmten Schienen


    Contributors:


    Publication date :

    2006


    Size :

    7 Seiten, 4 Bilder, 23 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English