吉林大学学报(工学版) ›› 2024, Vol. 54 ›› Issue (2): 419-426.doi: 10.13229/j.cnki.jdxbgxb.20221505

• 交通运输工程·土木工程 • 上一篇    

网联车混入条件下混合交通流跟驰稳定性

宋成举1,2(),贾洪飞1(),秦昊溥3   

  1. 1.吉林大学 交通学院，长春 130022
    2.东北林业大学 土木与交通学院，哈尔滨 150040
    3.大连交通大学 交通运输工程学院，大连 116028
  • 收稿日期:2022-11-25 出版日期:2024-02-01 发布日期:2024-03-29
  • 通讯作者: 贾洪飞 E-mail:songchengju@sohu.com;jiahf@jlu.edu.cn
  • 作者简介:宋成举（1983-），男，副教授，博士.研究方向：交通流仿真.E-mail：songchengju@sohu.com
  • 基金资助:
    国家自然科学基金项目(52072143);中央高校基本科研业务费专项项目(2572020BG02);黑龙江省普通本科高等学校青年创新人才培养计划项目(UNPYSCT-2018090);黑龙江省省属本科高校基本科研业务费科研项目(2018CX08)

Car following stability in mixed traffic flow with CAVs mixing

Cheng-ju SONG1,2(),Hong-fei JIA1(),Hao-fu QIN3   

  1. 1.Collage of Transportation，Jilin University，Changchun 130022，China
    2.School of Civil Engineering and Transportation，Northeast Forestry University，Harbin 150040，China
    3.School of Traffic and Transportion Engineering，Dalian Jiaotong University，Dalian 116028，China
  • Received:2022-11-25 Online:2024-02-01 Published:2024-03-29
  • Contact: Hong-fei JIA E-mail:songchengju@sohu.com;jiahf@jlu.edu.cn

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关键词: 交通信息工程及控制, 混合交通流, 稳定性, 混入率, 速度

Abstract:

In order to describe the car following stability of the mixed traffic flow under the condition of Connected Automatic Vehicle mixing， reveal the changing process of mixed traffic flow stability， analyzed the stability of HDV and CACC traffic flow， introduced the mixing rate of CACC， proposed the following model of mixed traffic flow， and derived the stability criteria of mixed traffic flow stability. Analyzed the effects of speed and mixing rate on the stability evolution of mixed traffic flow under single and combination conditions respectively. The results show that： The stability of mixed traffic flow depends on the stability of a single traffic flow and the mixing rate. The critical speed values of the following stability of HDV and CACC single traffic flow are 19.65 km/h and 18.01 km/h， respectively， the speed is positively correlated with the stability of mixed traffic flow. The effect of mixing rate on the stability of mixed traffic flow is related to the speed condition. Under the combined conditions of the two factors， the stability changing trend of mixed traffic flow is diversified.

Key words: traffic information engineering and control, mixed traffic flow, stability, mixing rate, speed

中图分类号: 

  • U491.2

表1

IDM模型相关参数常用值"

参数常用值参数常用值
a0/（m·s-2）1.0S0/m2.0
b0/（m·s-2）2.0L/m5.0
δ4.0v0/（m·s-1）33.3
T/s1.5

图1

单一跟驰模型交通流稳定性判别曲线"

图2

不同速度混合交通流稳定性计量值变化"

图3

不同混入率混合交通流稳定性计量值变化"

图4

混合交通流整体稳定性变化"

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