基于密度离散度和信息传输延迟的网联商用车弯道格子模型

doi:10.13229/j.cnki.jdxbgxb.20230987

吉林大学学报(工学版) ›› 2025, Vol. 55 ›› Issue (6): 2015-2029.doi: 10.13229/j.cnki.jdxbgxb.20230987

• 交通运输工程·土木工程 • 上一篇下一篇

基于密度离散度和信息传输延迟的网联商用车弯道格子模型

赵红专^1,^2,^3,^4,⁵(),吴泽健^1,^2,^4,⁵,张鑫^1,²,石胜文⁴,李文勇¹,展新⁴,许恩永⁴,王佳明^4,⁶

^1.桂林电子科技大学广西智慧交通重点实验室，广西桂林 541004
^2.桂林电子科技大学建筑与交通工程学院，广西桂林 541004
^3.桂林电子科技大学广西精密导航技术与应用重点实验室，广西桂林 541004
^4.东风柳州汽车有限公司，广西柳州 545005
^5.南宁桂电电子科技研究院有限公司，南宁 530032
^6.广西科技大学人文艺术与设计学院，广西柳州 545006

收稿日期:2023-09-14 出版日期:2025-06-01 发布日期:2025-07-23
作者简介:赵红专（1985-），男，副教授，博士.研究方向：智慧交通.E-mail：zhaohongzhuan@guet.edu.cn
基金资助:
国家自然科学基金项目(52362045);广西重点研发计划项目(桂科AB21220052);广西科技重大专项项目(桂科AA22068101);柳州市重大专项项目(2021CAA0101);桂林市创新平台和人才计划项目(20210217-15);广西精密导航技术与应用重点实验室项目(DH202225)

Curve lattice model for connected commercial vehicles based on density dispersion and information transmission delay

Hong-zhuan ZHAO^1,^2,^3,^4,⁵(),Ze-jian WU^1,^2,^4,⁵,Xin ZHANG^1,²,Sheng-wen SHI⁴,Wen-yong LI¹,Xin ZHAN⁴,En-yong XU⁴,Jia-ming WANG^4,⁶

^1.Guangxi Key Laboratory of ITS，Guilin University of Electronic Technology，Guilin 541004，China
^2.School of Architecture and Transportation Engineering，Guilin University of Electronic Technology，Guilin 541004，China
^3.Guangxi Key Laboratory of Precision Navigation Technology and Application，Guilin University of Electronic Technology，Guilin 541004，China
^4.Dongfeng Liuzhou Automobile Co. ，Ltd. ，Liuzhou 545005，China
^5.GUET-Nanning E-Tech Research Institute Co. ，Ltd，Nanning 530032，China
^6.College of Humanities，Art and Design，Guangxi University of Science and Technology，Liuzhou 545006，China

Received:2023-09-14 Online:2025-06-01 Published:2025-07-23

摘要/Abstract

摘要：

为缓解弯道环境下含有网联商用车的混合交通流交通拥塞问题，在安全条件的约束下提高弯道环境下含有网联商用车的混合交通流的稳定性，提出了一种弯道环境下基于密度离散度效应和信息传输延迟效应的网联商用车格子模型（DDITD）。该模型首次提出了密度离散度效应的概念，揭示了网联商用车跟驰特性对混合车流密度分布的影响，并将密度离散度效应和信息传输延迟效应同时引入弯道格子模型中，拓展了格子模型的适用范围。首先，通过实车试验标定DDITD模型中的转弯修正系数，利用线性稳定性分析对DDITD模型进行分析，研究了弯道环境下密度离散度以及信息传输延迟对交通流稳定性的影响。其次，通过非线性稳定性分析，应用约化摄动方法，推导出描述交通密度波演化特性临界点附近的mKdV方程。最后，通过数值仿真对理论结果进行了验证，结果表明，密度离散度效应和信息传输延迟效应可以有效缓解弯道上的交通堵塞。本文研究成果为研究网联商用车跟驰特性和混合车流稳定性提供了新的方法，为弯道环境下的交通管理和控制提供了新的思路和依据。

关键词: 交通运输系统工程, 格子流体力学模型, 弯道, 网联商用车, 密度离散度效应, 信息传输延迟效应

Abstract:

In order to solve the traffic congestion problem of mixed traffic flow with connected commercial vehicles in the curve environment and improve the stability of mixed traffic flow with connected commercial vehicles in the curve environment， a lattice model of connected commercial vehicles based on density dispersion effect and information transmission delay effect （DDITD） in curve environment was proposed. The density dispersion effect was first proposed， which reveals the influence of the following characteristics of connected commercial vehicles on the density distribution of mixed traffic flow. The density dispersion effect and the information transmission delay effect were introduced into the curve lattice model at the same time， which expands the applicable scope of the lattice model. Firstly， the turn correction coefficient in DDITD model was calibrated through real vehicle test， and then the DDITD model was analyzed by linear stability analysis to study the influence of density dispersion and information transmission delay on the stability of traffic flow under the curve environment. Secondly， the reduced perturbation method was applied through nonlinear stability analysis. The mKdV （modified Korteweg de Vries） equation was derived to describe the critical point of traffic density wave evolution. Finally， the theoretical results were verified by numerical simulation， and the results show that the density dispersion effect and the information transmission delay effect can effectively alleviate the traffic jam on the curve. The research results provides a new method for studying the following characteristics of connected commercial vehicles and the stability of mixed traffic flow， and provides a new ideas and basis for traffic management and control in curved environments.

Key words: engineering of communications and transportation system, lattice hydrodynamic model, curve, commercial vehicles, density dispersion effect, delayed effects of information transmission

中图分类号:

U491.1

赵红专,吴泽健,张鑫,石胜文,李文勇,展新,许恩永,王佳明. 基于密度离散度和信息传输延迟的网联商用车弯道格子模型[J]. 吉林大学学报(工学版), 2025, 55(6): 2015-2029.

Hong-zhuan ZHAO,Ze-jian WU,Xin ZHANG,Sheng-wen SHI,Wen-yong LI,Xin ZHAN,En-yong XU,Jia-ming WANG. Curve lattice model for connected commercial vehicles based on density dispersion and information transmission delay[J]. Journal of Jilin University(Engineering and Technology Edition), 2025, 55(6): 2015-2029.

图/表 14

图1

图2

表1

表2

ft值随实测最大速度变化"

参数	最小值	中位数	最大值
理论 $v m a x$	77.51	77.51	77.51
实测右转 $v m a x$	64.57	65.31	66.07
$f r t$	0.83	0.84	0.85
实测左转 $v m a x$	67.53	68.24	68.94
$f l t$	0.87	0.88	0.89

表2

图3

图4

图5

图6

图7

图8

图9

图10

图11

图12

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驾驶场景	驾驶行为
右转弯	启动加速行驶
	高速匀速行驶
	制动减速行驶
左转弯	启动加速行驶
	高速匀速行驶
	制动减速行驶

基于密度离散度和信息传输延迟的网联商用车弯道格子模型

Curve lattice model for connected commercial vehicles based on density dispersion and information transmission delay

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