铁路通信信号工程技术2026，Vol.23Issue(3)：24-30,37,8.DOI:10.3969/j.issn.1673-4440.2026.03.004
CTCS-3级等速降级CTCS-2级列控系统的冗余切换方案研究
Research on Redundant Transition Scheme of CTCS-3 Train Control System for Constant Speed Level Degradation to CTCS-2
摘要
Abstract
Targeting at the issue of significant speed difference when the CTCS-3 train control system degrades to CTCS-2 operation due to wireless message timeout,this paper makes the proposal of adjusting the CTCS-2 top speed from 300 km/h to 350 km/h under the backup mode.Additionally,the gradient conditions of high-speed rail lines in China are classified into three categories.After analyzing multiple factors such as line gradient and braking distance,this paper also makes the proposal of extending the information code range of the track circuit to the highest L9 code.Relevant equipment needs to be modified according to this scheme.This technology can achieve the redundant transition of the CTCS-3 train control system for constant speed level degradation to support CTCS-2 operation at a speed of 350 km/h,covering all existing 350 km/h high-speed rail lines in China.Through the above technical improvements,the impact on running time can be minimized,and the role of the CTCS-2 backup system can be fully utilized.关键词
列控系统/等速降级/冗余切换/方案研究Key words
train control system/constant speed level degradation/redundant transition/scheme study分类
交通工程引用本文复制引用
李高举,武汝涵,丁若,陈立华,陈冠莺..CTCS-3级等速降级CTCS-2级列控系统的冗余切换方案研究[J].铁路通信信号工程技术,2026,23(3):24-30,37,8.基金项目
中国国家铁路集团有限公司科技研究开发计划重点课题项目(N2023G081) （N2023G081）
北京全路通信信号研究设计院集团有限公司科研项目(2300-K1240012.01) （2300-K1240012.01）
