The invention provides an intersection flow signal timing optimization method, system and device and a medium, and relates to the technical field of urban intelligent transportation, and the method comprises the steps: obtaining real-time flow data through an intersection sensor and a detection device, carrying out the preprocessing of the real-time flow data, and carrying out the feature extraction of first flow data; the method comprises the following steps: acquiring historical data information, establishing a deep learning neural network architecture, inputting the historical data information into a neural network for training, and adjusting network weight and bias through a back propagation algorithm to obtain a first scheme for minimizing signal lamp timing; and based on the first scheme, inputting the first feature information into the trained neural network for calculation and generating a calculation result, and optimizing the signal timing of the intersection flow according to the calculation result. The beneficial effects of the invention are that the neural network can more comprehensively understand the traffic condition of the intersection, and the optimization accuracy of the signal timing scheme is improved.

    本发明提供了一种路口流量的信号配时优化方法、系统、设备及介质,涉及城市智能交通技术领域,包括通过路口传感器和检测设备获取实时流量数据,将实时流量数据进行预处理,对第一流量数据进行特征提取;获取历史数据信息,建立深度学习神经网络架构,将历史数据信息输入到神经网络中进行训练,通过反向传播算法来调整网络权重和偏置,得到以最小化信号灯配时的第一方案;基于第一方案,将第一特征信息输入至训练完成后的神经网络中计算并生成计算结果,针对计算结果对路口流量的信号配时进行优化。本发明的有益效果为神经网络能够更全面地了解路口交通情况,提高信号配时方案优化的准确性。


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    Title :

    Signal timing optimization method, system and equipment for intersection flow and medium


    Additional title:

    一种路口流量的信号配时优化方法、系统、设备及介质


    Contributors:
    LI XUELING (author) / LI YILI (author) / YANG ZISHENG (author) / SU SHAOXIONG (author) / WANG XUEFENG (author) / CHEN ZHAOLIANG (author)

    Publication date :

    2024-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen



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