Wobble and shimmy vibrations are commonly observed in commercial highway vehicles with solid-beam front axles. These vibrations are typically self-excited and manifest themselves as sustained oscillations about the kingpin and axle tramp.A study was initiated to investigate and quantify wobble and shimmy behaviors, with a primary focus on wobble. A cross functional team including test and simulation engineers evaluated a vehicle exhibiting these behaviors. The team developed an ADAMS model to reproduce the behaviors and developed a DOE to quantify the impact of variables and combinations of variables.The evaluation demonstrated that dynamic imbalance in the rotating masses is a primary source of excitation. Wheel run-out, caster angle, tire brand, tire wear and tire inflation are also significant sources. Future studies will use these findings to mitigate the concern.


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    Titel :

    Recent Experimental and Simulation Efforts to Mitigate Wobble and Shimmy in Commercial Line Haul Vehicles


    Weitere Titelangaben:

    Sae Int. J. Commer. Veh


    Beteiligte:
    Chan, Brendan (Autor:in) / Stuart, John (Autor:in) / Augustyniak, Nicholas (Autor:in) / Cassara, Stefano (Autor:in)

    Kongress:

    SAE 2014 Commercial Vehicle Engineering Congress ; 2014



    Erscheinungsdatum :

    2014-09-30


    Format / Umfang :

    15 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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