Distributed Simulation Modeling and System Construction for the Networked Operation of Urban Railway System
Facing the situation of the large-scale network, we conducted the research and construction on simulation and system modeling towards the problem of how to economically and efficiently conduct the operation and simulation of urban rail transit network. We built a core simulation model mainly formed of topology infrastructure model of the network, simulation model for the process of train operation and the simulation model for the process of passengers’ travel in order to meet the need of the train operation and passengers’ travel. Having constructed the distributed simulation structure for the networked operation based on fixed distributed strategy, we proposed a simulation clock coordination mechanism based on key synchronous events, and developed a distributed simulation system for the networked operation of urban rail transit system. Taking the congestion situation for the passenger flow of Beijing’s subway and the confirmation for the passenger flow limitation scheme of the network coordination as the backgrounds, two conducted the applied research on the distributed simulation system for the operation of urban rail transit system.
KeywordsUrban railway system Distributed simulation Congestion of the passenger flow Passenger flow limitation scheme
The authors gratefully acknowledge the support provided by the national key research project “Safety assurance technology of urban rail system” (Grant No. 2016YFB1200402) in China.
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