The invention relates to the technical field of railway intelligent operation and maintenance, and provides an intelligent ballastless track node monitoring method and system based on digital twinning, and the method comprises the steps: carrying out the all-weather testing of a ballastless track, and transmitting the monitoring data through a remote transmission system; preprocessing and establishing a database; constructing and training a neural network model of the ballastless track under the action of multiple physical fields; integrating the physical data model, the neural network model and the virtual data model, and establishing a digital twin of a physical space entity of the ballastless track in a virtual space through mapping reconstruction; establishing a three-dimensional interactive interface, and visualizing a real-time strain field and a temperature field of the ballastless track and information of a train passing through the ballastless track; evaluating and predicting the service states of the ballastless track and the running train, and giving an alarm according to the limitation of the response specification. According to the invention, the ballastless track node and the train passing through the ballastless track node can be monitored and predicted, and the service safety of the ballastless track and the running safety of the high-speed train are ensured.
本发明涉及铁路智能运维技术领域,提供一种基于数字孪生的智能无砟轨道节点监测方法及系统,包括:对无砟轨道进行全天候测试,并利用远程传输系统将监测数据进行传输;进行预处理并建立数据库;构建并训练无砟轨道在多物理场作用下的神经网络模型;集成物理数据模型、神经网络模型和虚拟数据模型,通过映射重构建立无砟轨道的物理空间实体在虚拟空间的数字孪生体;建立三维交互界面,将无砟轨道实时应变场、温度场以及驶过该无砟轨道的列车信息进行可视化;评估预测无砟轨道、行驶列车的服役状态,并根据响应规范限制发出警报。本发明能够对无砟轨道节点、驶过该点的列车进行监测和预测,保证无砟轨道服役、高速列车运行的安全性。
Intelligent ballastless track node monitoring method and system based on digital twinning
一种基于数字孪生的智能无砟轨道节点监测方法及系统
2024-11-08
Patent
Electronic Resource
Chinese
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