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

doi:10.16182/j.issn1004731x.joss.21-1279

Abstract

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.

Key words: active overtaking behavior, social force model, mixed flow of non-motor vehicles, dynamic perception space, overtaking force

CLC Number:

TP391.9

Minghui Yang, Rui Zhang, Qiaobing Yan, Jiahe Wang. Research on Improvement of Social Force Model Based on Non-motor Vehicle Active Overtaking Behavior[J]. Journal of System Simulation, 2023, 35(4): 871-877.

Figures/Tables 10

Fig. 1

Table 1

Vertical and horizontal active overtaking spacing at different densities

密度/(辆 $⋅$ m^-2)	纵向超越间距/m	横向超越间距/m
0.05~0.10	11.4	1.5
[0.10~0.15)	10.2	1.4
[0.15~0.20)	9.4	1.2
[0.20~0.25)	8.6	0.9
[0.25~0.30)	7.2	0.7
0.30~0.35	5.4	0.5

Table 1

Table 2

Table 3

Fig. 2

Fig. 3

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Table 4

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Table 5

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速度差/(m·s^-1)	纵向超越间距/m	横向超越间距/m
1~2	5.3	0.9
[2~3)	6.6	1.2
[3~4)	7.1	1.3
[4~5)	8.3	1.4
[5~6)	9.6	1.5
6~7	10.9	1.6

车型	最大值	最小值	均值
自行车	3.17	1.48	2.05
电动自行车	3.41	1.62	2.56

速度差/ (m·s^-1)	纵向主动超越间距			横向主动超越间距
速度差/ (m·s^-1)	仿真值/m	实测值/m	误差/%	仿真值/m	实测值/m	误差/%
1~2	5.9	5.3	11.4	1.1	0.9	8.2
[2~3)	7.7	6.6	15.5	1.3	1.2	8.9
[3~4)	8.1	7.1	15.9	1.5	1.3	12.5
[4~5)	9.6	8.3	15.5	1.6	1.4	11.7
[5~6)	10.7	9.6	11.4	1.7	1.5	10.9
6~7	12.5	10.9	14.6	1.9	1.6	13.0

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