This paper presents the study on the vehicle with single-axle truck. The single-axle truck is expected as a truck for the new generation in especially commuter train and LRT. In this study, the authors focus on the compatibility between stability and curving performance in tight curve radius. The eigen value analysis and curving simulations using multibody dynamics software were made to examine the effect of the truck parameters such as secondary stiffness and characteristics of dampers. From these basic analyses trial test trucks were manufactured in the project of JREA. Stand tests were made to investigate the stability and curving performance. The test results showed suitable performance and some useful information was obtained according to the effect of truck parameters. After the small modification of the test truck, running tests were finally carried out in the commuter line. Although the oscillations of body were measured at the high speed range in straight track, up to 100 km/h running tests were successfully made. For the curving performance, it was found that the lateral force of the single axle truck was less than that of conventional two axle truck in the tight curve radius of 140 m. The estimated performance by theoretical studies were almost agreed with these experimental results. Consequently it was proved that the proposed design concept of the single axle truck was effective to the new generation truck design for commuter trains in Japan.


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    Title :

    Dynamic characteristics of a single-axle truck for compatibility between stability and curving performance


    Contributors:
    Suda, Y. (author) / Shibano, K. (author) / Matsumoto, A. (author) / Sato, Y. (author) / Ohno, H. (author) / Nishimura, S. (author) / Oka, Y. (author) / Suzuki, M. (author)

    Published in:

    Publication date :

    2003


    Size :

    14 Seiten, 5 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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