Optimization Of McPherson Suspension And Simulation Of Vehicle Dynamics Based On ADAMS

The performance of suspension will affect vehicle handling stability and ride comfort, and other dynamic performance, vehicle handling stability and ride comfort are two important performances in vehicle dynamics. Therefore, the research of them is important issue in the automotive research.In this thesis, using Solid works software to establish a three-dimensional model of suspension, according to its critical point parameters, establishing virtual prototype model of the suspension in ADAMS. Simulated parallel wheel travel in both kinematical and compliant modes, and compared wheel alignment parameters, the results showed that the back closer to the actual working conditions.Using the ADAMS/Insights optimization module, the wheel alignment's parameters as the optimization objectives, the outer rod's X, Y, Z coordinates and lower wishbone's X, Y, Z coordinates as design variables to optimize the suspension, the results show that improve the performance of the suspension.Build a full vehicle mode based on the optimized suspension. According to GB/T6323.4-94 ?vehicle handling and stability test methods?, carried out cornering with steer release simulation. According to GB/T63223.3-94, the thesis carried out transient response simulation. The results show that vehicle handling stability with good performance and can meet the design requirements.According to the international standards, the thesis established rough cement pavement road model. Use of Solid works and ANSYS Workbench to flexible the stabilizer bar, the thesis built the full vehicle's rigid-flexible coupling model. According to GB/T 4970-1996's standards, the thesis got the RMS value of the weighted vibration acceleration under the road at a speed of 100 km/h, the results show that the vehicle has a good ride comfort.