The invention relates to the technical field of intelligent traffic, in particular to a simulation method of a hybrid traffic flow lattice car-following system considering a slope factor, which introduces hybrid traffic flow permeability, a slope and a friction coefficient of a road, and introduces a communication vehicle number and a flow difference effect to optimize a car-following behavior of a network-connected commercial vehicle, and in a V2X environment, the traffic flow difference effect of the network-connected commercial vehicle is optimized. The method comprises the following steps: carrying out linearization processing on a lattice car-following system to obtain an evolution equation of density, carrying out stability analysis on the evolution equation of density to obtain a stability condition of the lattice car-following system, carrying out nonlinear analysis on the lattice car-following system, and deducing a partial differential equation for describing micro-perturbation near a stable critical point by utilizing the set stability condition. Therefore, the coexistence curve of the lattice car-following system is obtained, the mixed traffic flow car-following behavior in the slope environment can be accurately depicted, finally, the simulation result of the lattice car-following system is analyzed, and it is proved that traffic jam can be effectively relieved, and the traffic flow stability is improved.

    本发明涉及智能交通技术领域,具体涉及一种考虑斜坡因素的混合车流格子跟驰系统的仿真方法,该方法引入了混合车流渗透率、道路的坡度和摩擦系数,以及引入了通信车辆数和流量差效应优化网联商用车跟驰行为,在V2X环境下,通过对格子跟驰系统线性化处理,得到密度的演化方程,并对密度的演化方程做稳定性分析,得到格子跟驰系统的稳定性条件,再对格子跟驰系统做非线性分析,并利用设定好的稳定性条件,推导出描述稳定临界点附近微扰动的偏微分方程,从而得到格子跟驰系统的共存曲线,能够精确刻画斜坡环境下的混合车流跟驰行为,最后对格子跟驰系统的仿真结果进行分析,证明能够有效缓解交通拥堵,提高交通流稳定性。


    Access

    Download


    Export, share and cite



    Title :

    Simulation method of hybrid traffic flow lattice car-following system considering slope factor


    Additional title:

    一种考虑斜坡因素的混合车流格子跟驰系统的仿真方法


    Contributors:
    PAN JIAWEN (author) / ZHAO HONGZHUAN (author) / WU ZEJIAN (author) / WANG KEYI (author) / ZHANG PEICHENG (author) / LI WENYONG (author) / CHANG LIANG (author) / WANG TAO (author) / ZHOU DAN (author) / HE SHUILONG (author) ... [more]

    Publication date :

    2024-04-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



    A Model for Mixed Vehicle Traffic Flow Considering the Slope Effect

    Feng, Xuan / Cai, Youbao / Zhang, Bo et al. | ASCE | 2020


    Traffic Flow Simulation Study Considering Blind Driving Behavior

    Zhang, Xiongfei / Xia, Zhengdong / Li, Jinchang et al. | ASCE | 2019


    Background traffic flow model construction method considering vehicle following behavior and application

    LI AOXUE / FEI FAN / ZHU XUEER et al. | European Patent Office | 2025

    Free access

    TRAFFIC FLOW SIMULATION SYSTEM AND TRAFFIC FLOW SIMULATION METHOD

    ISHIKAWA TAKAHIRO | European Patent Office | 2023

    Free access

    TRAFFIC FLOW SIMULATION SYSTEM AND TRAFFIC FLOW SIMULATION METHOD

    ISHIKAWA TAKAHIRO | European Patent Office | 2023

    Free access