Active Suspension Analysis of Full Vehicle Model Traversing over Bounce Sine Sweep Road

Parviz Tomaraee


Semi-active and active suspensions influencing the vertical dynamics of vehicles enable improvement of ride comfort and handling characteristics compared to vehicles with passive suspensions. 7 DOF full vehicle model considering roll and pitch is presented for the objective vehicle. Hybrid CarSim-Simulink was adopted to achieve the effect of active suspension for the condition of road profile with bounce sine sweep road. The results are presented in terms of ride and handling performance criteria such as tire deformation, damping factor, damping force, jounce, roll, and pitch. The results show that the performance criteria are function of road profile input and that the designed active suspension configuration drastically affects the vibration attenuation and decrement of induced oscillations. 

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