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Automotive Suspension System Modeling and Simulation Analysis

Author: ZhaoCongLin
Tutor: CuiGenQun
School: Hebei University of Technology
Course: Mechanical Engineering
Keywords: suspension simulation analysis adams optimization
CLC: U463.33
Type: Master's thesis
Year: 2011
Downloads: 165
Quote: 0
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Abstract


Suspension system is a generic terms for all transmission gear and coupling arrangement between body-chassis units or frame construction and wheels or axle . The main function is to deliver the bearing force, lateral reaction force, vertical reaction force as well as the moments generated by those forces above to the body-chassis units or frame, which ensures the normal vehicle running.According to the requirements of the basic parameters of suspension system in development phrase, the paper gave a experimental model of the whole body and suspension system by using of multi-body dynamics software ADAMS, after the simulation of the whole body and Macpherson suspension, analyzed the data obtained from simulation to evaluate the kinematics and dynamics characteristics of the suspension, and the influence in stability and harshness of the vehicle manipulation.The experimental model was established in the process of research, and then evaluated the dynamics characteristics of vehicle by using of transient response test of the whole vehicle. Collected and calculated the simulation results, finally obtained the corresponding score values according to "specification limits and evaluation methods for manipulation stability of vehicle", which show that the vehicle has good manipulation stability; Established the mcoherson front suspension assembly based on the ADAMS/Car software to carry out the bounce simulation in the same direction on two wheels. According to the data obtained, some positional parameters did not meet the requirements of design. So the parameters those did not meet the requirement was optimized using ADAMS/Insight optimization. The simulation results proved a great improve after optimization, which showed that the result met the requirements of design.

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive structural components > Travel System > Suspension
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