In traffic micro-simulation, the high reliability of the simulation results is up to the principle of relying on reality to the maximum extent in simulation processes and the construction of high fidelity models. However, the traditional microscopic models have many defects in dealing with vehicle tracks, vehicle dynamics and randomness from the driver. This paper discusses the effect of vehicle dynamics on micro-simulation models. First the paper briefly introduces the temporary foreign research results in vehicle dynamics, and then the dynamics methodology is introduced into the vehicle micro-simulation models. The essence of our work is the competitive thinking of real factors like accelerograph output, pedal stress, equivalent area of aweather and so forth, and truly realizes the vehicle acceleration and deceleration processes.
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