The paper deals with both theoretical study and experiment on the chaotic behaviour of a rolling wheelset. The main purpose of this report is to confirm the actual occurence of the chaos in the rolling wheelset compared with numerical simulation results. In the experiment, a 1/5 scale model of one-axle truck is used. The truck rolls on rail-wheels of a roller rig. When the rolling speed increased, the scaled wheelset shows a chaotic movement accompanied with the hard collision against the rail-wheels. The collision was caused by the groving hunting motion. These responses were confirmed by the evaluation both of the maximal Lyapunov exponents and the correlation dimensions. The actual experiment showed a remarkable difference to the results of numerical simulation at higher rolling speeds. The difference emerges from a simplified model from the flange contact.


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    Title :

    Chaotic oscillation of a wheelset rolling on rail. Verification on roller rig


    Additional title:

    Chaotische Schwingungen des Radsatzes beim Rollen auf der Schiene. Überprüfung auf dem Prüfstand


    Contributors:
    Tanifuji, K. (author) / Nagai, K.I. (author)


    Publication date :

    1996


    Size :

    12 Seiten, 10 Bilder, 1 Tabelle, 7 Quellen





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Chaotic Oscillation of a Wheelset Rolling on Rail; Verification on Roller Rig

    Tanifuji, K. / Nagai, K.-I. / International Association for Vehicle System Dynamics | British Library Conference Proceedings | 1996


    Chaotic Oscillation of a Wheelset Rolling on Rail; Verification on Roller Rig

    TANIFUJI, KATSWA / NAGAI, KEN-ICHI | Taylor & Francis Verlag | 1996