The invention provides a train speed prediction method and device, electronic equipment and a storage medium, and relates to the technical field of computers. According to one specific implementation scheme, the method comprises the following steps: carrying out distribution fitting and upper and lower bound extraction on train operation state data by utilizing maximum likelihood estimation, and optimizing the train operation state data; iteratively training a parameter matrix of a train speed prediction neural network model by using the train state data; on the basis of the parameter matrix, calculating speed information of the virtual marshalling pilot train at the t + 1 moment according to historical speed information of the virtual marshalling pilot train; and on the basis of the speed information of the virtual marshalling pilot train at the t + 1 moment, the speed information of the following train at the t + 1 moment is generated by calculating the relative braking distance and an artificial potential field method. The relative braking distance is calculated, the artificial potential field method based on the relative braking distance is constructed, and the speed information of the following train at the next moment is generated, so that the safety of the virtual marshalling fleet is improved, and the following safety of the train in the following process is guaranteed.
本公开提供了一种列车速度预测的方法、装置、电子设备及存储介质,涉及计算机技术领域。一种具体实现方案为:利用最大似然估计对列车运行状态数据进行分布拟合和上下界提取,优化列车运行状态数据;利用所述列车状态数据迭代训练列车速度预测神经网络模型的参数矩阵;基于所述参数矩阵,根据虚拟编组领航列车历史速度信息,计算虚拟编组领航列车在t+1时刻的速度信息;基于所述虚拟编组领航列车在t+1时刻的速度信息,通过计算相对制动距离和人工势场法,生成跟随列车在t+1时刻的速度信息。通过计算相对制动距离,构建基于该相对制动距离的人工势场法,生成跟随列车下一时刻的速度信息,进而提高虚拟编组车队的安全性,保障列车跟随过程中的跟随安全。
Train speed prediction method and device, electronic equipment and storage medium
列车速度预测的方法、装置、电子设备及存储介质
2023-09-01
Patent
Elektronische Ressource
Chinesisch
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