铁路信号领域安全计算机的应用及发展

Application and development of safety computer in railway signal field

介绍铁路领域安全计算机的相关标准及安全计算机平台通用架构,以铁路信号领域安全计算机的应用为主题,总结安全计算机在计算机联锁、无线闭塞中心、车载系统的应用情况,研究安全计算机的应用现状和研究热点。研究表明,铁路信号领域安全计算机的研究热点主要集中在表决与同步的设计与实现、安全通信设计、安全评估算法、利用商用现成品和技术(COTS)部件和现场可编程门阵列(FPGA)实现安全需求等方面。

This article introduced the relevant standards and platform general architecture of safety computer in railway field.Taking the application of safety computer in railway signal field as the theme,it summarized the application of safety computer in computer interlocking,on-board system and wireless block center,and studied the application status and research hotspots of safety computer.The research shows that the research focus of safety computer in railway signal field mainly focuses on the design and implementation of voting and synchronization,the design of safety communication,the calculation of safety evaluation,and the implementation of safety requirements by using Commercial Off-The-Shelf(COTS)components and Field Programmable Gate Array(FPGA).