To be able to analyze the dynamic features comprehensively and more fully in both the lateral and vertical cases for a threewheeled motorbike (TWM), which have been designed and manufactured by the same group of authors and based on to conduct design improvements, the planar vehicle dynamic model (single track) with 03 degrees of freedom (03-DOF) & the vertical dynamic model with 06 degrees of freedom (06-DOF) have been employed. The parameters used in the calculations are based on existing designs from realistic models manufactured through the combination of experimental measurements and theoretical calculation methods empirically. The lateral dynamic calculated results were based on to investigate the dynamic stability when cornering or steering of a 03-wheeled motorbike. In addition, dynamic calculated results were analyzed also in the frequency domain and basec on to help improve the design featurers with more comfortable and safer.
Vehicle vibration calculations play significant and extremely important role, and is based mainly help to assess the stability, vertical dynamic safe, smooth during vehicle’s operation. Full car vibration simulation model (3D) is used to conduct research. The required parameters are determined on the available SYM T880 car. Calculation results are analyzed in both time and frequency domain, helping more comprehensive assessment of vertical dynamic characteristics of T880 truck in particular as well as the basis of reference to conduct model, vibration evaluation of other kind of vehicles, contribute to improving the quality of vehicle design is more comfortable and safer.
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