摘要
针对通过能力日益紧张的青藏铁路格拉段,提出一种基于闭塞制式改变的扩能方案,将原有的自动站间闭塞改为准移动闭塞,并提出此种扩能方案存在的技术壁垒以及解决措施,同时根据准移动闭塞的特点,对定位方式进行改进,使用北斗卫星替换GPS进行厘米级的高精度列车定位.目前针对基于北斗的列车运行控制系统的关键设备已进入试验阶段,为此种扩能方式的实现增加了可行性,此种改造不仅可以实现通过能力的提升,对于完善CTCS列控系统,为全国的路网互联互通上也更具意义.
In order to improve the limited capacity of Golmud-Lhasa section of Qinghai-Tibet railway,this paper proposes an expansion scheme based on the blocking system change.The original automatic inter-station blocking is changed into quasi-mobile blocking,and the technical barriers existing in this expansion scheme are discussed.According to the characteristics of the quasi-moving blocking,the positioning system has been modified,and the Beidou Satellite is used to replace the GPS for centimeter-level high-precision train positioning.At present,the key equipment of the train operation control system based on Beidou Satellite System has entered the test stage,so the feasibility of realizing this expansion scheme has increased.The proposed expansion scheme can not only realize the improvement of the capacity,but also has more significance for the improvement of CTCS train control system and the interconnection of the national road network.
作者
钱勇生
王雪鑫
曾俊伟
广晓平
QIAN Yong-sheng;WANG Xue-xin;ZENG Jun-wei;GUANG Xiao-ping(School of Traffic and Transportation,Lanzhou Jiaotong University,Lanzhou 730070,China)
出处
《兰州交通大学学报》
CAS
2019年第1期32-36,共5页
Journal of Lanzhou Jiaotong University
关键词
青藏铁路格拉段
单线铁路
北斗卫星
扩能方案
闭塞制式
Golmud-Lhasa section of Qinghai-Tibet Railway
Beidou Satellite
expansion scheme
blocking system
