The invention discloses a method and system for constructing a mixed traffic flow grid model in a low-visibility environment, and relates to the technical field of intelligent traffic, and the method comprises the steps: introducing a low-visibility environment characteristic coefficient in a basic grid fluid mechanics model, then introducing a mixed traffic flow car-following characteristic parameter, and then introducing a driver psychological characteristic parameter, establishing a hybrid traffic flow grid fluid mechanics model considering the psychological characteristics of the driver in a low-visibility environment; and performing linear stability analysis and nonlinear analysis on the model to obtain fluctuation parameters of a critical point. In order to solve the traffic jam problem caused by the mixed traffic flow in the low-visibility environment, the traffic information of the current road is obtained by means of the Internet of Vehicles technology, and then the following characteristic of the mixed traffic flow, the low-visibility environment characteristic and the psychological characteristic of a driver are considered. Therefore, the hybrid traffic flow grid model considering the psychological characteristics of the driver in the low-visibility environment is constructed, and the method can be used for reducing traffic congestion and improving the stability of a traffic system.

    本发明公开了一种低能见度环境下混合车流格子模型构建方法及系统,涉及智慧交通技术领域,方法包括:在基础格子流体力学模型中,引入低能见度环境特性系数,然后引入混合车流跟驰特性参数,再引入驾驶员心理特性参数,建立低能见度环境下考虑驾驶员心理特性的混合车流格子流体力学模型;模型进行线性稳定性分析和非线性分析,得到临界点的波动参数。本发明针对低能见度环境下混合车流所造成的交通拥堵问题,借助车联网技术获取当前道路的交通信息,然后再考虑混合车流的跟驰特性、低能见度环境特性以及驾驶员心理特性,从而构建低能见度环境下考虑驾驶员心理特性的混合车流格子模型,可用于减轻交通拥堵,提高交通系统稳定性。


    Access

    Download


    Export, share and cite



    Title :

    Method and system for constructing mixed traffic flow grid model in low-visibility environment


    Additional title:

    一种低能见度环境下混合车流格子模型构建方法及系统


    Contributors:
    WU ZEJIAN (author) / LI CHAOBIN (author) / JIANG WEI (author) / CAO SHUAI (author) / ZHOU HAO (author)

    Publication date :

    2025-03-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G06Q Datenverarbeitungssysteme oder -verfahren, besonders angepasst an verwaltungstechnische, geschäftliche, finanzielle oder betriebswirtschaftliche Zwecke, sowie an geschäftsbezogene Überwachungs- oder Voraussagezwecke , DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung





    METHOD AND APPARATUS FOR CONSTRUCTING TRAFFIC FLOW DATA ANALYSIS MODEL

    DU YANYAN | European Patent Office | 2021

    Free access


    Grid Testing Engine:a Infrastructure for Constructing Grid Testing Environment

    Yinfeng, W. / Xiaoshe, D. / Xiuqiang, H. | British Library Online Contents | 2007