The invention discloses a method for automatically generating a dynamic traffic flow model and a control system, and the method comprises the steps: carrying out the modeling of a to-be-met intersection and vehicles, calculating the traffic flow basic quantity through a first model according to the environment information, changing the parameters of the environment information, selecting any vehicle according to the traffic flow basic quantity, and carrying out the calculation of the traffic flow basic quantity. The vehicle speed is calculated through the second model, the vehicle density is calculated through the third model, the vehicle type is calculated through the fourth model, the initial vehicle flow is adjusted, the vehicle speed and path selection are adjusted according to the environment information, and second speed information and second position information are output; the driving state of the vehicle is calculated and updated within set time, the dynamic driving process of the vehicle is calculated and generated through a fifth model, and vehicle behavior data are obtained; according to the method, the driving state of the vehicle can be accurately judged, the driving state is updated after the set time, a traffic flow model with a dynamic effect can be generated, and accurate road traffic condition simulation is carried out.
本发明公开了一种自动生成动态车流模型的方法及控制系统,包括:待会路口和车辆进行建模,根据环境信息通过第一模型计算车流基本量,改变环境信息的参数,根据车流基本量,选择任一车辆,通过第二模型计算车速、第三模型计算车辆密度、第四模型计算车辆类型,对初始车流量进行调整,根据环境信息调整车辆的速度和路径选择,并输出第二速度信息和第二位置信息;在设定时间内计算更新车辆的行驶状态,通过第五模型计算生成车辆的动态行驶过程,得到车辆行为数据;该方法可以准确判断车辆的行驶状态,并经过设定时间进行行驶状态的更新,可以生成具有动态效果的车流模型,进行准确的道路交通情况模拟。
Method for automatically generating dynamic traffic flow model and control system
一种自动生成动态车流模型的方法及控制系统
2024-04-09
Patent
Elektronische Ressource
Chinesisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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