The invention discloses a digital twinning-based simulation prediction method and a digital twinning-based simulation prediction system for daily operation and an interruption scene of an urban subway line network. Establishing a digital twin model data interface of the system and an urban rail transit system, and obtaining basic information of a subway line network; establishing rule models of different emergency measures according to subway operation interruption situations, and embedding the rule models into the digital twinborn model; updating and adjusting a network topology model in the digital twin model, and completing effective path search under operation interruption; and establishing a passenger flow redistribution model under metro line network operation interruption, embedding the passenger flow redistribution model into the digital twin model, and simulating and predicting a passenger flow distribution state. According to the method, a passenger flow and traffic flow coupled overall system model is established based on a digital twinborn method in combination with a traffic flow management and passenger flow prediction method, simulation prediction is performed, a comprehensive simulation scheme and a prediction result with reference value are provided for scheduling personnel of a subway scheduling center, and the scheduling personnel are assisted in strategy optimization.
本发明公开了一种基于数字孪生的针对城市地铁线网日常运营以及中断情景下的仿真预测方法及系统。建立本发明系统与城市轨道交通系统数字孪生模型数据接口,获取地铁线网基本信息;根据地铁运营中断情景建立不同应急措施的规则模型,嵌入数字孪生模型中;对数字孪生模型中的线网拓扑模型更新调整,完成运营中断下的有效路径搜索;建立地铁线网运营中断下的客流重分配模型,并嵌入到数字孪生模型中,仿真预测客流分布状态。本发明基于数字孪生方法,结合车流管理与客流预测方法,建立一个客流、车流耦合的整体系统模型并仿真预测,为地铁调度中心的调度人员提供较为全面的、具有参考价值的仿真方案与预测结果,辅助调度人员进行策略优化。
Simulation prediction method and system under metro line network operation interruption condition based on digital twinning
一种基于数字孪生的地铁线网运营中断情况下的仿真预测方法及系统
2023-04-04
Patent
Electronic Resource
Chinese
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