The invention relates to a tunnel traffic monitoring system and method based on digital twinning, and the system comprises a digital twinning module which is configured to generate a virtual scene corresponding to a tunnel scene structure according to a tunnel physical entity; the sensing and monitoring module comprises a sensor group arranged in a tunnel entity, and the sensor group is used for acquiring the speed and vehicle information of a running vehicle in the tunnel and event information in the tunnel; the data processing module is configured to obtain the average vehicle speed, the vehicle density, the traffic saturation, the traffic flow data, the vehicle track, the vehicle behavior and the traffic event of the vehicles in the tunnel based on the data obtained by the sensing and monitoring module to form traffic condition monitoring data, and send the traffic condition monitoring data to the digital twin module for display; and the early warning control module is configured to determine the grade of the tunnel traffic condition by using the obtained traffic condition monitoring data and based on a membership function, and send out an early warning signal of the corresponding grade.
本发明涉及基于数字孪生的隧道交通监测系统及方法,包括数字孪生模块,被配置为:根据隧道物理实体生成与隧道场景结构对应的虚拟场景;感知监测模块,包括布置在隧道实体中的传感器组,传感器组获取隧道中运行车辆的车速与车辆信息,以及隧道内的事件信息;数据处理模块,被配置为:基于感知监测模块获取的数据得到隧道内车辆的平均车速、车辆密度、交通饱和度、交通流数据、车辆轨迹、车辆行为和交通事件形成交通状况监测数据,并将其发送到数字孪生模块中展示;预警控制模块,被配置为:利用得到的交通状况监测数据并基于隶属度函数确定隧道交通状况等级,发出对应等级的预警信号。
Tunnel traffic monitoring system and method based on digital twinning
基于数字孪生的隧道交通监测系统及方法
2023-10-20
Patent
Elektronische Ressource
Chinesisch
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