The invention discloses a signal lamp timing method and device, and the method comprises the steps: obtaining the traffic flow data of a plurality of intersections in a target road network in a historical time period corresponding to a target prediction time period, and inputting the traffic flow data into a graph convolution network model for predicting the traffic flow data, obtaining traffic flow data, output by the graph convolutional network model, of each intersection in the target prediction time period, and obtaining traffic flow data of the target intersection in the target prediction time period from the traffic flow data; constructing a signal lamp timing model based on the traffic flow data of the target intersection in the target prediction time period; and determining the optimal signal lamp timing information of the target intersection in the target prediction time period by using the signal lamp timing model. The method can automatically determine and adjust the timing of the signal lamp according to the traffic flow data, improves the timing efficiency and timing accuracy of the signal lamp, does not need to observe the traffic condition of the intersection through manpower to carry out the manual timing of the signal lamp, avoids the consumption of manpower resources, and reduces the timing cost of the signal lamp.
本发明公开了一种信号灯配时方法及装置,分别获得目标路网中的多个路口在与目标预测时段对应的历史时段内的交通流量数据,并输入到用于预测交通流量数据的图卷积网络模型中,获得图卷积网络模型输出的各路口在目标预测时段内的交通流量数据,从中获得目标路口在目标预测时段内的交通流量数据;基于目标路口在目标预测时段内的交通流量数据,构建信号灯配时模型;利用信号灯配时模型,确定与目标路口在目标预测时段内的最佳信号灯配时信息。本发明可以自动的根据交通流量数据进行信号灯配时的确定和调整,提高信号灯的配时效率和配时准确率,而无需通过人力来观察路口交通情况来进行人工的信号灯配时,避免人力资源的消耗,降低信号灯配时成本。
Signal lamp timing method and device
一种信号灯配时方法及装置
2022-04-12
Patent
Elektronische Ressource
Chinesisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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