The warp stiffness is an inherent dynamic parameter of a three-piece bogie; it is not present until a bogie is constructed and its value varies with the bogie status. The methodology for accurately measuring the warp stiffness is important for evaluating the dynamic performance of a freight car with a three-piece bogie. This paper describes a test-rig for measuring warp stiffness and other dynamic parameters relating to the three-piece bogie. The test-rig is composed of a sliding plate with a hydraulic servo-mechanism for applying forces and a measurement system based on virtual instrument technology. The process of measuring warp stiffness on this rig-test is presented in detail. Finally, the application of this test-rig is described and some results such as the warp stiffness of K1 and Z8A bogies are described in the paper.


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    Titel :

    A test-rig for measuring three-piece bogie dynamic parameters applied to a freight car application


    Beteiligte:
    Ren, L. H. (Autor:in) / Shen, G. (Autor:in) / Hu, Y. S. (Autor:in)

    Erschienen in:

    Vehicle System Dynamics ; 44 , sup1 ; 853-861


    Erscheinungsdatum :

    2006-01-01


    Format / Umfang :

    9 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt




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