This work illustrates the modelling aspects of an advanced motorcycle multibody model which captures the most important features of the vehicle, including five different suspensions schemes (telescopic fork, telelever, duolever, swingarm and paralever) all provided with their own flexibilities. Several lumped stiffness are used to model the structural compliance of the frame as well as the flexibility of the transmission system. A passive rider model which simulates the interaction of the rider with the handlebar and the chassis and a 3D road-tire model which takes into account both the carcass geometry and compliance are also included. The presented mathematical model performs nonlinear time domain simulations, non-linear steady state analysis, linear stability and frequency domain analyses. Some simulation examples are presented: a steady state cornering manoeuvre where the decomposition of steering torque in its main components is carried out, a stability analysis where the effects of rider's impedance and structural flexibilities on weave and wobble vibration modes is highlighted, a stability analysis of a braking motorcycle which experiences a chatter instability and a lane change manoeuvre where the main handling indexes are computed.


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    Title :

    An advanced multibody code for handling and stability analysis of motorcycles


    Contributors:
    Cossalter, V. (author) / Lot, R. (author) / Massaro, M. (author)

    Published in:

    Meccanica ; 46 , 5 ; 943-958


    Publication date :

    2011


    Size :

    16 Seiten, 10 Bilder, 2 Tabellen, 35 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Braking, stability and handling of motorcycles

    Juniper, R. G. / Good, M. C. / Department of Mechanical and Industrial Engineering, University of Melbourne et al. | TIBKAT | 1983


    A Multibody Code for Motorcycle Handling and Stability Analysis with Validation and Examples of Application

    Maggio, Fabiano / Lot, Roberto / Cossalter, Vittore | SAE Technical Papers | 2003



    Development of Handling Test Procedures for Motorcycles

    Weir, David H. / Zellner, John W. | SAE Technical Papers | 1978