The technique of quasilinearization (describing function analysis) is used to study the effects of saturation of lateral tire force based on the traditional slip law concept. Due to trailer swing velocity, the dynamic slip angle is shown to be greater than the trailer angle. Thus nonlinear results are important even for small displacements. Significant changes in frequency and damping ratio from linear values are shown for the transient response of a one degree of freedom model. The forced response is shown to be of the classical left-leaning softening type, with jump/drop phenomenon. A two degree of freedom model is shown to have a very small amplitude limit cycle for operation above the critical velocity. Conversely, a three degree of freedom model is shown to have no stable limit cycle above the critical velocity. Thus, response above critical velocity appears to be unbounded. Also, an unstable limit cycle encloses the stable part of the equilibrium solution, providing a possibility for unbounded response below critical velocity.


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    Titel :

    NONLINEAR STABILITY AND RESPONSE OF CAR-TRAILER COMBINATIONS


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Taylor, D. L. (Autor:in)

    Kongress:

    1980 Automotive Engineering Congress and Exposition ; 1980



    Erscheinungsdatum :

    01.02.1980




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Nonlinear Stability and Response of Car-Trailer Combinations

    Taylor,D.L. / Cornell Univ.,Ithacu,US | Kraftfahrwesen | 1980



    Stability Criteria for Automobile-Trailer Combinations

    MIKULCIK, E. C. | Taylor & Francis Verlag | 1980


    Stability Criteria for Automobil-Trailer Combinations

    Miculcik,E.C. / Univ.of Calgary,Dep.of Mech.Engng.,CA | Kraftfahrwesen | 1980


    Crosswind Response and Stability of Car Plus Utility Trailer Combinations

    Weir,D.H. / Klein,R.H. / Zellner,J.W. et al. | Kraftfahrwesen | 1982