The vehicle model with seven degrees of freedom is established based on the tire model of magic formula.

According to the requirements of automobile dynamics research,a tire dynamic model is conducted by adopting the "magic formula" in Matlab/Simulink.

FEM tire model oriented to virtual experiment of off-road vehicle trafficability;

FEA on tire models for simulation on uneven road

By comparison of their modeling mechanism of the two tire models,it is shown that UniTire model has stronger theoretical basis than the Magic Formula model;by comparison of their global identification accuracy and their predication accuracy,it is shown that the global identification accuracy of the UniTire model is slightly higher than th.

Using a nonlinear time varying tyre model, this paper simulatively analyzes the influence of road surface roughness amplitude and road spatial frequency on automobile ground adhesion ability.

Meanwhile, it is seen that the nonlinear and time varying tyre model is useful for the simulation and analysis of braking performances of vehic.

A nonlinear and time varying tyre model that can describe the influences of the road surface roughness on the vertical force, braking force and braking torque of automobile tyre is set up.

The LuGre tire model is an dynamic tire friction model which can accurately describe the dynamic characteristic,but because of its high nonlinearity,it is very difficult to identify the parameters of the model.