In recent years,the environment of railways and the systems such as CBTC(communication based train control)have been changing.To respond the changes and the needs of customers,a UTCS(unified train control system)has b...In recent years,the environment of railways and the systems such as CBTC(communication based train control)have been changing.To respond the changes and the needs of customers,a UTCS(unified train control system)has been developed to realize a system that evolves with customers.Previous type systems consist of independent components such as ATC(Automatic train control)system,electronic interlocking system,and facility monitoring system,and there are a complicated overlap of system configurations and functions and difference in concept between the systems.On the other hand,the integrated train control system consists of horizontal layers such as function layer,network layer,and terminal layer.Therefore,the system has been developed to make it simple with no unnecessary redundancy and evolving to meet the needs of customers.In this paper,we explain a method that realizes the interlocking function for CBTC system in the function layer based on the concept of“securing a train travelling path”including path blocking and routing,and evaluate the safety of the method using STAMP/STPA.展开更多
分析信号系统与列车折返过程的关系,指出信号系统架构和进路办理时间是影响列车折返时间的关键因素。提出新一代基于通信的列车控制(Communication Based Train Control,CBTC)系统架构及高效能列车折返技术,通过研究新一代CBTC系统架构...分析信号系统与列车折返过程的关系,指出信号系统架构和进路办理时间是影响列车折返时间的关键因素。提出新一代基于通信的列车控制(Communication Based Train Control,CBTC)系统架构及高效能列车折返技术,通过研究新一代CBTC系统架构的关键特点与列车折返实现过程,对其折返能力进行分析。分析结果表明,新一代CBTC系统通过系统架构优化和高效能列车折返技术,可将列车折返间隔缩短至90 s以内。此外,该系统采用的高效能列车折返技术也可应用于已开通的CBTC线路,通过局部技术升级,可实现线路折返效率的提升,符合未来轨道交通控制系统的发展方向。展开更多
文摘In recent years,the environment of railways and the systems such as CBTC(communication based train control)have been changing.To respond the changes and the needs of customers,a UTCS(unified train control system)has been developed to realize a system that evolves with customers.Previous type systems consist of independent components such as ATC(Automatic train control)system,electronic interlocking system,and facility monitoring system,and there are a complicated overlap of system configurations and functions and difference in concept between the systems.On the other hand,the integrated train control system consists of horizontal layers such as function layer,network layer,and terminal layer.Therefore,the system has been developed to make it simple with no unnecessary redundancy and evolving to meet the needs of customers.In this paper,we explain a method that realizes the interlocking function for CBTC system in the function layer based on the concept of“securing a train travelling path”including path blocking and routing,and evaluate the safety of the method using STAMP/STPA.
文摘分析信号系统与列车折返过程的关系,指出信号系统架构和进路办理时间是影响列车折返时间的关键因素。提出新一代基于通信的列车控制(Communication Based Train Control,CBTC)系统架构及高效能列车折返技术,通过研究新一代CBTC系统架构的关键特点与列车折返实现过程,对其折返能力进行分析。分析结果表明,新一代CBTC系统通过系统架构优化和高效能列车折返技术,可将列车折返间隔缩短至90 s以内。此外,该系统采用的高效能列车折返技术也可应用于已开通的CBTC线路,通过局部技术升级,可实现线路折返效率的提升,符合未来轨道交通控制系统的发展方向。
