摘要
为了满足城市轨道交通对于轨旁安全计算机平台的通用技术需求,介绍了一种安全计算机平台的总体架构、安全原理和设计实现。该平台综合采用了基于安全以太网总线的安全自律技术,完整的在线自检和双通道故障管理技术,以及基于可靠通信的双系切换技术,自主研发,已通过SIL4等级安全认证,并成功应用在基于通信的列车自动控制系统、列车自主运行系统、有轨电车信号系统等多个工程项目中。实际运行情况表明,该平台完全符合安全性,可靠性和多种信号系统通用性的技术需求。
In order to meet the general technical requirements of urban rail transit for trackside safety computer platform,this article introduced the overall architecture,safety principle,design and implementation of a safety computer platform.The platform comprehensively adopted the safety self-discipline technology based on safety Ethernet bus,complete on-line self-test and dual channel fault management technology,and dual system switching technology based on reliable communication.It has been independently developed and has passed the SIL4 level safety certification,and has been successfully applied to many projects such as Communication Based Train Control(CBTC)system,train independent operation system,tram signal system.The actual operation shows that the platform fully meets the technical requirements of safety,reliability and versatility of various signal systems.
作者
迟宝全
CHI Baoquan(Shanghai Fuxin Intelligent Transportation Solutions Co.Ltd.,Shanghai201203,China)
出处
《铁路计算机应用》
2020年第9期73-76,共4页
Railway Computer Application
基金
上海市科委科研项目子课题(17DZ1100403)。
