Research on Improvement of Social Force Model Based on Non-motor Vehicle Active Overtaking Behavior

Abstract

Aiming at the social force model not to illustrate the active overtaking behavior of the rear non-motor vehicle to the front vehicle, an improved social force model is proposed. The traffic behavior characteristics of non-motorized vehicles mixed flow during the active overtaking is analyzed. Considering the compressible characteristics of non-motorized vehicle distancing in different density environments, the model is improved by presenting the concept of dynamic perception space and introducing the overtaking force into the social force model. The model is verified by analyzing the active overtaking behavior, active overtaking distance and speed-density basic graphs. The results indicate that the improved model can illustrate the active overtaking behavior of non-motor vehicles when the density of non-motor vehicles is in the range of 0.05~0.35 vehicles/m2.