In this paper,we introduce the basic Fault-tolerant techniques in railway signaling system,describe the system of Fault-Tolerant Computer Interlocking Control System(CICS) based on RTLinux and discuss the key Fault-Tolerant techniques in the system.

• 本文介绍了铁路信号系统中常用的容错技术及其原理,然后介绍了自行研制开发的基于RTLinux的容错计算机联锁控制系统,并且详细讨论了系统的容错技术实现方法。