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.
Quarter Vehicle Ride Model
Sae Technical Papers
SAE 2002 Automotive Dynamics & Stability Conference and Exhibition ; 2002
2002-05-07
Aufsatz (Konferenz)
Englisch
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