Urban traffic signal control system based on traffic flow prediction
A technology of traffic signal and control system, applied in traffic control system, traffic control system of road vehicles, control of traffic signals, etc., can solve problems such as the physical meaning of potential power system and the separation of traffic signal control that are not considered in a strict sense. , to achieve the effect of high traffic congestion relief, accelerated optimization speed, and accurate regulation
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[0027]The system of the invention will be further described below in conjunction with the drawings.
[0028]Such asfigure 1As shown, an urban traffic signal control system based on traffic flow prediction includes a data center, a prediction module, and an optimization module.
[0029]The historical traffic data of urban roads and the real-time monitored traffic data are separately stored in the data center, which is used for the neural network training of the prediction module and the prediction of the next time interval traffic data; the data center will transfer the original traffic data before each real-time traffic data is transmitted. The real-time traffic data is added to the historical traffic data, and then the real-time traffic data is updated.
[0030]The prediction module uses BP neural network for prediction. The prediction module makes short-term traffic flow prediction. For a multi-junction road section, the road section to be predicted is i. Assuming that the current time is ...
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