This paper conducted co-simulations to examine locomotive traction performance in a heavy haul train operational environment. A longitudinal train dynamics (LTD) simulation package was connected with a multibody vehicle system dynamics simulation package called GENSYS using the TCP/IP protocol. The LTD simulations replicated the dynamic environment (in-train forces) of train operations while the vehicle system dynamics simulations integrated wheel/rail contact models and mechatronic traction control models for locomotives. In-train forces and a traction reference were sent to GENSYS to determine traction efforts which were then sent back to LTD. A distributed-power train with the configuration of 1 locomotive + 61 wagons + 1 locomotive + 61 wagons was modeled. A conventional LTD simulation and a co-simulation were conducted. The results show that, due to adhesion limits, both LTD and co-simulation did not achieve the maximum traction force specified by locomotive characteristics curves. The maximum traction force achieved in co-simulation was 170 kN lower than that in LTD simulation. The average speed simulated by co-simulation was about 10% slower than that by LTD.


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    Titel :

    Heavy Haul Locomotive Traction Performance under the Implications of In-Train Forces


    Beteiligte:
    Wu, Qing (Autor:in) / Spiryagin, Maksym (Autor:in) / Cole, Colin (Autor:in)

    Kongress:

    First International Conference on Rail Transportation 2017 ; 2017 ; Chengdu, Sichuan Province, China


    Erschienen in:

    ICRT 2017 ; 62-70


    Erscheinungsdatum :

    2018-03-13




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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