摘要
针对铁路安全隐患问题,提出将第三代北斗卫星导航系统(简称:北斗三代)高精度定位技术引入铁路监测预警,设计了基于北斗三代的铁路监测预警系统,该系统利用北斗高精度定位的原理实现位移数据高精度监测,同时具备实时传输和即时预警等功能。实践证明,该系统相对于基于GPS的监测预警系统具有明显优势,可见的卫星个数显著增加,水平精度提高20%以上,高程精度提高50%以上。同时通过不同基线长度下监测性能的对比,为合理布设基准站提供参考。
Aiming at the hidden danger of railway safety,this paper introduced the third generation Beidou satellite navigation system(Beidou third generation for short)high-precision positioning technology into railway monitoring and early warning,designed the railway monitoring and early warning system based on Beidou third Generation.The system used the principle of Beidou high-precision positioning to implement high-precision monitoring of displacement data,and had real-time transmission and instant warning functions.Practice has proved that the system has obvious advantages over the GPS based monitoring and early warning system,with a significant increase in the number of visible satellites,an increase in horizontal accuracy of more than 20%,and an increase in elevation accuracy of more than 50%.Through the comparison of monitoring performance under different baseline lengths,it provides a reference for the reasonable deployment of reference stations.
作者
于进江
甘雨
杨世忠
赵星宇
贺云飞
何韦
YU Jinjiang;GAN Yu;YANG Shizhong;ZHAO Xingyu;HE Yunfei;HE Wei(Transportation Safety Department,Beijing-Zhangjiakou Intercity Railway,Beijing 100070,China;Technology Center,Hunan Beidou Microchip Industry Development Co.Ltd.,Changsha 410000,China)
出处
《铁路计算机应用》
2022年第7期25-31,共7页
Railway Computer Application
基金
国家重点研究发展计划(2016YFB0501701)
国家自然科学青年基金(41904039)。
关键词
第三代北斗卫星导航系统
高精度定位
铁路
监测预警
基准站
third generation Beidou satellite navigation system
high precision positioning
railway
monitoring and early warnin
base station
