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Application of Virtual Simulation on Vehicle Design Based on the ADAMS

Author: GuoXiaoQiang
Tutor: SongChuanXue；GaoXingZuo
School: Jilin University
Course: Vehicle Engineering
Keywords: Vehicle suspension Dynamic Simulation Multibody system dynamics Handling and stability ADAMS / CAR
CLC: U462
Type: Master's thesis
Year: 2005
Downloads: 1533
Quote: 13
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Abstract


This paper summarizes the development history and future trends of the system dynamics modeling , functional modules of the software ADAMS multibody system dynamics modeling and solving calculation method . Rear suspension for a SUV car before the establishment of multi-body simulation model , the kinematics and dynamics analysis and optimization . Vehicle simulation model is established on the basis of experimental verification of the real vehicle to explore the problems for the trial -like car , the impact of the changes of the various subsystems of the vehicle dynamics performance . Double wishbone torsion bar spring the former independent suspension model , a detailed examination of the variation of the main performance parameters of the suspension with the wheels beating . Spatial orientation parameters double wishbone torsion bar spring independent suspension and wheel alignment parameters have a great impact on the performance of the suspension . Decreased by the thrust rod and frame connection point downward adjustment 20mm, found that the suspension of the anti- nod and resistance to the rise of performance has been significantly improved with the wheels , suspension stiffness and the stiffness of the roll angle curve jump get better control . Establish four-link independent rear suspension model and the simulation of the bench , the spatial position of the upper and lower thrust rod suspension performance optimization analysis of the connection position of the horizontal thrust rod frame . The four-link independent rear suspension the longitudinal thrust rod and the spatial location of the horizontal thrust lever to have a decisive impact on the amount of longitudinal displacement and lateral displacement of the wheel center . By adjustment of the position of the connection point of the corresponding rod member and the frame , to optimize the horizontal and vertical amount of displacement of the wheel center . In the front and rear suspension performance analysis based on the to establish vehicle simulation model , the number of handling and stability simulation analysis and comparison with the experimental results , the feasibility of the model is verified . As the basis for a number of factors that affect vehicle performance discussed . Rubber bushings in the suspension have a great impact on the dynamic performance of the suspension , the suspension stiffness reached nearly 20% , has a greater impact on the change in front wheel alignment with wheel hop . Making the design of the suspension and vehicle must be paid enough attention to the rubber bushing .

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CLC: > Transportation > Road transport > Automotive Engineering > Vehicle design and calculation
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