Research on high-speed railways is a relatively new yet highly significant field in Vietnam.Among its key components,train control signaling plays a critical role,as it directly affects various interconnected systems,...Research on high-speed railways is a relatively new yet highly significant field in Vietnam.Among its key components,train control signaling plays a critical role,as it directly affects various interconnected systems,including infrastructure,traction power supply,operational planning,and overall railway safety.This article focuses on evaluating the capacity of the line based on the types of signals suitable for high-speed railways that have been effectively implemented in several European countries and successfully adapted in China.The research and simulation are conducted using MATLAB software,a reliable and widely adopted tool in the scientific community.The findings demonstrate that under normal conditions,the European Railway Traffic Management System/European Train Control System(ERTMS/ETCS)Level 2 signaling can support up to 23.7485 trains/hour/direction.Meanwhile,ERTMS/ETCS Level 3 with full moving block can accommodate up to 30.8735 trains/hour/direction,and ERTMS/ETCS Level 3 with fixed virtual blocks up to 29.4694 trains/hour/direction.In emergency scenarios,ERTMS/ETCS Level 3 with full moving block reduces headway by 33.27%compared to CTCS Level 3,while ERTMS/ETCS Level 3 with fixed virtual blocks achieves a 28.78%reduction.Overall,the ERTMS/ETCS Level 3 emerges as a state-of-the-art signaling technology offering high capacity and operational efficiency,and is recommended as a forward-looking solution for future implementation in Vietnam.展开更多
车载信号系统作为整个列车运行控制系统的一个重要组成部分,起着超速防护与车辆运行控制的功能,需与特定信号系统交互以实现列车安全控制,切换过程须在保证安全性的前提条件下,尽可能提高切换效率,同时减少人为操作流程,确保系统间的兼...车载信号系统作为整个列车运行控制系统的一个重要组成部分,起着超速防护与车辆运行控制的功能,需与特定信号系统交互以实现列车安全控制,切换过程须在保证安全性的前提条件下,尽可能提高切换效率,同时减少人为操作流程,确保系统间的兼容性。基于实际应用于塞尔维亚动车组的项目研究成果,提出一套欧洲列车运行控制系统(ETCS)对塞尔维亚特定信号系统自动列车控制系统(RAS90)的控制逻辑方案,在ETCS车载信号系统中增加特定传输管理(Specific Transition Manager,STM)模块,设计状态转换逻辑,通过ETCS与RAS90的实时控制器局域网络(Controller Area Network,CAN)接口通信,实现切换状态控制和控车权的自动移交。展开更多
文摘Research on high-speed railways is a relatively new yet highly significant field in Vietnam.Among its key components,train control signaling plays a critical role,as it directly affects various interconnected systems,including infrastructure,traction power supply,operational planning,and overall railway safety.This article focuses on evaluating the capacity of the line based on the types of signals suitable for high-speed railways that have been effectively implemented in several European countries and successfully adapted in China.The research and simulation are conducted using MATLAB software,a reliable and widely adopted tool in the scientific community.The findings demonstrate that under normal conditions,the European Railway Traffic Management System/European Train Control System(ERTMS/ETCS)Level 2 signaling can support up to 23.7485 trains/hour/direction.Meanwhile,ERTMS/ETCS Level 3 with full moving block can accommodate up to 30.8735 trains/hour/direction,and ERTMS/ETCS Level 3 with fixed virtual blocks up to 29.4694 trains/hour/direction.In emergency scenarios,ERTMS/ETCS Level 3 with full moving block reduces headway by 33.27%compared to CTCS Level 3,while ERTMS/ETCS Level 3 with fixed virtual blocks achieves a 28.78%reduction.Overall,the ERTMS/ETCS Level 3 emerges as a state-of-the-art signaling technology offering high capacity and operational efficiency,and is recommended as a forward-looking solution for future implementation in Vietnam.
文摘车载信号系统作为整个列车运行控制系统的一个重要组成部分,起着超速防护与车辆运行控制的功能,需与特定信号系统交互以实现列车安全控制,切换过程须在保证安全性的前提条件下,尽可能提高切换效率,同时减少人为操作流程,确保系统间的兼容性。基于实际应用于塞尔维亚动车组的项目研究成果,提出一套欧洲列车运行控制系统(ETCS)对塞尔维亚特定信号系统自动列车控制系统(RAS90)的控制逻辑方案,在ETCS车载信号系统中增加特定传输管理(Specific Transition Manager,STM)模块,设计状态转换逻辑,通过ETCS与RAS90的实时控制器局域网络(Controller Area Network,CAN)接口通信,实现切换状态控制和控车权的自动移交。
