Key Technology of Network Integration for Urban Rail Transit System

摘要

Rail transit is a typical Cyber-physical Systems (CPS). The study of urban rail transit CPS was carried out with the introduction of CPS into the urban rail transit system. Based on the analysis of CPS, the fundamental architecture of urban rail transit CPS was designed and the functions of corresponding layers were explained. The system model of urban rail transit CPS was proposed. The functions of the model and the interaction between each model were explained. The issue of heterogeneous networks integration in rail transit system and train system was analyzed. Meanwhile, according to the actual demand of security monitoring and management of train running, network controller between WSN and control bus was designed and verified. The results show that the network controller can well achieve data exchange between WSN and train network.