The invention discloses a road congestion identification method based on passing vehicle and signal data, comprising the following steps: establishing a real-time intersection model based on passing vehicle data and signal data, and obtaining real-time traffic flow data from the real-time intersection model; establishing vehicle categories according to different paths, screening vehicle passing data according to the vehicle categories, determining vehicle leaving time, and determining unequal red light time in combination with the signal data; the average passing time of the road section is determined according to the vehicle leaving time, the road congestion index is determined by combining the unequal red light time, and congestion is judged. A vehicle driving path is formed through upstream and downstream intersection vehicle passing data, whether a green light passes through the vehicle is judged by combining the vehicle driving path and an intersection signal scheme, the travel time of the vehicle passing through an entrance road section is further determined, and whether the intersection is congested is determined. The vehicles in intersection congestion judgment can be more accurately classified, the congestion source and the entrance congestion condition are accurately judged, and the accuracy of congestion recognition is improved.
本发明公开了一种基于过车与信号数据的道路拥堵识别方法,包括:建立基于过车数据和信号数据的实时路口模型,从实时路口模型中获取实时车流数据;根据不同路径建立车辆类别,根据车辆类别筛选过车数据并确定车辆驶离时间,结合信号数据确定不等红灯时间;根据车辆驶离时间确定路段平均通行时间,结合不等红灯时间确定道路拥堵指数,判断是否拥堵。通过上下游路口过车数据形成车辆行驶路径,结合车辆行驶路径和路口的信号方案判断车辆是否为绿灯通过,进一步确定车辆经过进口路段的行程时间,从而确定路口是否拥堵。能够更加准确的对路口拥堵判断中车辆进行分类,精确判断拥堵来源和进口拥堵情况,提高拥堵识别的准确性。
Road congestion identification method based on vehicle passing and signal data
一种基于过车与信号数据的道路拥堵识别方法
2024-11-22
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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