The invention provides a distributed traffic flow prediction method and system based on road segmentation. The method comprises the following steps: S1, dividing a whole road network diagram into a plurality of sub-road section network diagrams; s2, training each model in a traffic flow prediction model library for each sub-road section network diagram, and recording each evaluation index; s3, comprehensively scoring the models according to the weight of each index, and selecting the model with the optimal comprehensive performance; s4, according to the space-time traffic signal matrix corresponding to each sub-road section network, obtaining a signal matrix of a future Tf time slice by using a model with optimal comprehensive performance corresponding to the current sub-road section network
本发明提供了一种基于道路分段的分布式交通流量预测方法及系统,包括:步骤S1:将整个路网图划分为多个子路段网图;步骤S2:为每个子路段网图训练交通流量预测模型库中的每一个模型,并记录每个评价指标;步骤S3:根据每一项指标权重对模型进行综合打分,选择综合性能最优的模型;步骤S4:根据每个子路段网络对应的时空交通信号矩阵,利用当前子路段网络对应的综合性能最优的模型,得到未来Tf时间片的信号矩阵
Distributed traffic flow prediction method and system based on road segmentation
基于道路分段的分布式交通流量预测方法及系统
2023-01-31
Patent
Elektronische Ressource
Chinesisch
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 / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
Road traffic flow prediction method under distributed system
Europäisches Patentamt | 2022
|Europäisches Patentamt | 2016
|