浅析CBTC数据通信系统的安全隐患  

Analysis ot Safety Hazards in CBTC Data Communication System

作　　者：沈陈霄[1] 方旭明[1] 宋昊[1] 

机构地区：[1]西南交通大学信息编码与传输省重点实验室

出　　处：《铁道通信信号》2013年第3期89-92,共4页Railway Signalling & Communication

摘　　要：基于通信的列车自动控制(CBTC)系统代表了当今城市轨道交通信号系统的发展方向和先进技术的发展趋势,采用IEEE802.11作为其无线数据传输标准,容易受到其他无线设备干扰。首先介绍目前国内外城市轨道交通使用的通信信号系统,针对国内某城市地铁发生的事故,从技术上分析CBTC数据通信系统的安全隐患,从多个角度提出了减小或者消除干扰的方法,以提高地铁系统运行的安全性和可靠性。The Communication Based Train Control （CBTC） system is the tendency of advanced technol ogies and represents the development direction of urban rail transit signal system. By using IEEES02. 11 as its wireless data transmission standard, the CBTC is susceptible to the interferences from other wireless equipment. This paper introduces a communication signal system, which is currently used in domestic and international urban rail transit, and analyzes the hidden hazards in the CBTC of the metro of a city in China in the case of a accident. Finally, the methods to reduce or eliminate the interference are proposed from multiple perspectives so as to improve the system safety and reliability of the metro.

关 键 词：地铁 基于通信的列车自动控制系统 无线数据传输标准 

分 类 号：U285[交通运输工程—交通信息工程及控制]