城市轨道交通车辆制动系统的车地无线通信数据传输各环节常见问题分析及解决方法  

Analysis and Solutions of Frequent Problems in Vehicle-wayside Wireless Communication Data Transmission Joints of Urban Rail Transit Vehicle Braking System

作　　者：孙全涛 崔晓军 杜振振 赵欣 张乾乾 秦培斌 SUN Quantao;CUI Xiaojun;DU Zhenzhen;ZHAO Xin;ZHANG Qianqian;QIN Peibin(CRRC Qingdao Sifang Rolling Stock Research Institute Co.,Ltd.,266031,Qingdao,China)

机构地区：[1]中车四方车辆研究所有限公司,青岛266031

出　　处：《城市轨道交通研究》2022年第8期162-165,共4页Urban Mass Transit

摘　　要：基于城市轨道交通车辆制动系统的数据传输,详细阐述了各环节存在的问题及采用的技术策略,为实现智能化运维建立了数据收集的基础。车地无线通信数据的传输包括车载维护系统终端的数据收集、数据的无线传输、地面数据中心数据的解析存储等关键环节。针对数据无线传输中的信号弱与数据密度存在的问题,提出了通过合理的数据排列,将数据发送时间间隔放缓至秒级的解决办法。提出地面数据中心应按相关线路、车辆编号及设备等信息,通过数据解析子系统来完成数据通用解析和存储。Based on urban rail transit vehicle braking system data transmission,technical strategies adopted for problems at each joint are elaborated,building data collection foundation for intelligent operation and maintenance.Transmission of vehicle-wayside wireless communication includes technical joints of onboard maintenance system terminal data collection,data wireless transmission,ground data center data analysis and storage.Targeting the problems in weak signal and data density in data wireless transmission,solutions for stretching data transmission time interval to second level through reasonable data array are proposed.Ground data center is suggested to accomplish data analysis and storage through data analytical subsystem according to information including relevant lines,vehicle encoding and equipment.

关 键 词：城市轨道交通 车辆制动系统 车地无线通信 数据传输 

分 类 号：U231.7[交通运输工程—道路与铁道工程]