Research On Digital Model Of A Car Chassis Based On Multi-body Dynamics

Multi-system dynamics for the theoretical basis to ADAMS/CAR as a means of a combination of domestic vehicle models to upgrade the development of the project. Prior to the establishment of an independent McPherson suspension kinematics model, the kinematics and dynamics Analysis of kinematics revealed the dynamics of their respective laws affecting the performance of a number of factors,for its effect on the factors that affect the optimized analysis to improve the design.According to the theory of multi-body system dynamics,the car in the analysis of the multi-link independent rear suspension and mechanical relations on the basis of the development of the car for the multi-link independent rear suspension structure in the form of suspension of the common template,then Application of the relevant parameters to create rear suspension system and suspension assembly into a virtual test bed,a kinematics and dynamics analysis.In the suspension before and after the establishment of model on the basis of the establishment of a Car,including horizontal and Stabilizer-Bar before and after the suspension,steering,tires,engine,body,and other sub-systems including vehicle dynamics model,in accordance with the basis of GB/T 6323-94 Vehicle Stability Test Methods for the vehicle handling and stability has done.Analysis and evaluation on the basis of vehicle stability control performance.