The wheel–rail action will obviously be increased during the vehicles in high-speed operation state. However, in many practical cases, direct measurement of the wheel–rail contact forces cannot be performed with traditional procedures and transducers. An inverse mathematical dynamic model for the estimation of wheel–rail contact forces from measured accelerations was developed. The inverse model is a non-iteration recurrence method to identify the time history of input excitation based on the dynamic programming equation. Furthermore, the method overcomes the weakness of large fluctuations which exist in current inverse techniques. Based on the inverse dynamic model, a high-speed vehicle multibody model with twenty-seven Degree of Freedoms (DOFs) is established. With the measured responses as input, the inverse vehicle model can not only identify the responses in other parts of vehicle, but also identify the vertical and lateral wheel–rail forces respectively. Results from the inverse model were compared with experiment data. In a more complex operating condition, the inverse model was also compared with results from simulations calculated by SIMPACK. First published online:22 May 2013


    Access

    Download


    Export, share and cite



    Title :

    An inverse dynamics method for railway vehicle systems


    Contributors:
    Zhu, Tao (author) / Xiao, Shoune (author) / Yang, Guangwu (author) / Ma, Weihua (author) / Zhang, Zhixin (author)

    Publication date :

    2014-03-31


    Remarks:

    doi:10.3846/16484142.2013.789979
    Transport; Vol 29 No 1 (2014); 107–114 ; 1648-3480 ; 1648-4142



    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :

    DDC:    629




    An inverse dynamics method for railway vehicle systems

    Zhu, Tao / Xiao, Shoune / Yang, Guangwu et al. | BASE | 2014

    Free access

    An inverse dynamics method for railway vehicle systems

    Tao Zhu / Shoune Xiao / Guangwu Yang et al. | DOAJ | 2014

    Free access

    Dynamics of railway vehicle systems

    Garg, Vijay Kumar / Dukkipati, Rao V. | TIBKAT | 1984



    Solution of some direct and inverse problems of railway vehicle dynamics

    Ushkalov,V.F. / Academy of the Ukrainian SSR,Inst.of Tech.Mech.,SU | Automotive engineering | 1992