It is a challenge to design vehicle for good ride characteristics to the engineer, given the many design constraints. The vibration environment is a very important criterion by which people judge the design and construction “ride quality” of a car. It needs a quarter - vehicle mathematical model to describe the dynamic motions of a vehicle on the road.In this paper, LaGrange Equation is used to derive the equations of motion. A state - space formulation is obtained by using state variables. And the characteristic equation, natural frequency and damping ratio are achieved. Through the analytical and numerical study on the ride quality of a quarter - vehicle (2 - DOF, 0 - dimension) model, the dynamic behavior of vehicle is represented by simulating the input, which is single-input-single-output (SISO) - output relationship. [1]* The effects of mass ratio, stiffness ratio and damping coefficient ratio on the vibration of the sprung mass are researched.


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    Title :

    Quarter Vehicle Ride Model


    Additional title:

    Sae Technical Papers


    Contributors:
    Barak, Pinhas (author) / Sun, Tianbing (author) / Zhang, Yubo (author)

    Conference:

    SAE 2002 Automotive Dynamics & Stability Conference and Exhibition ; 2002



    Publication date :

    2002-05-07




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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