Purpose–The intelligent Central Traffic Control(CTC)system plays a vital role in establishing an intelligent high-speed railway(HSR)system.As the core of HSR transportation command,the intelligent CTC system is a new...Purpose–The intelligent Central Traffic Control(CTC)system plays a vital role in establishing an intelligent high-speed railway(HSR)system.As the core of HSR transportation command,the intelligent CTC system is a new HSR dispatching command system that integrates the widely used CTC in China with the practical service requirements of intelligent dispatching.This paper aims to propose key technologies and applications for intelligent dispatching command in HSR in China.Design/methodology/approach–This paper first briefly introduces the functions and configuration of the intelligent CTC system.Some new servers,terminals and interfaces are introduced,which are plan adjustment server/terminal,interface for automatic train operation(ATO),interface for Dynamic Monitoring System of Train Control Equipment(DMS),interface for Power Supervisory Control and Data Acquisition(PSCADA),interface for Disaster Monitoring,etc.Findings–The key technologies applied in the intelligent CTC system include automatic adjustment of train operation plans,safety control of train routes and commands,traffic information data platform,integrated simulation of traffic dispatching and ATO function.These technologies have been applied in the Beijing-Zhangjiakou HSR,which commenced operations at the end of 2019.Implementing these key intelligent functions has improved the train dispatching command capacity,ensured the safe operation of intelligent HSR,reduced the labor intensity of dispatching operators and enhanced the intelligence level of China’s dispatching system.Originality/value–This paper provides further challenges and research directions for the intelligent dispatching command of HSR.To achieve the objectives,new measures need to be conducted,including the development of advanced technologies for intelligent dispatching command,coping with new requirements with the development of China’s railway signaling system,the integration of traffic dispatching and train control and the application of AI and data-driven modeling and methods.展开更多
调度命令是铁路运输调度指挥工作的核心指令,准确、快速地传达调度命令,是保障铁路系统在复杂运营环境中安全、高效、有序运转的前提条件。目前,铁路运输生产中存在诸多书面调度命令传递的场景,需要由人工读取书面调度命令信息,并完成...调度命令是铁路运输调度指挥工作的核心指令,准确、快速地传达调度命令,是保障铁路系统在复杂运营环境中安全、高效、有序运转的前提条件。目前,铁路运输生产中存在诸多书面调度命令传递的场景,需要由人工读取书面调度命令信息,并完成相关数据录入,耗时费力、效率较低,且易出现信息错误录入和漏传等问题。基于书面调度命令的特点,文章研究书面调度命令信息智能识别与提取方法,将图像分割处理与经典光学字符识别(OCR,Optical Character Recognition)算法相结合,增强对表格结构和文本内容的识别能力,更为精确地分割、定位和识别书面调度命令中的文字信息;并结合调度命令模板和用语规范,完成关键信息的提取。实验结果表明,在字符识别前先进行表格分割处理,对于提高调度命令文字识别准确率效果显著,便于后续调度命令结构化数据的自动提取。展开更多
基金This work was supported in part by the National Natural Science Foundation of China under Grant 62203468Young Elite Scientist Sponsorship Program by CAST under Grant 2022QNRC001+1 种基金Foundation of China State Railway Group Co.,Ltd.under Grant K2021X001Foundation of China Academy of Railway Sciences Corporation Limited under Grant 2021YJ315.
文摘Purpose–The intelligent Central Traffic Control(CTC)system plays a vital role in establishing an intelligent high-speed railway(HSR)system.As the core of HSR transportation command,the intelligent CTC system is a new HSR dispatching command system that integrates the widely used CTC in China with the practical service requirements of intelligent dispatching.This paper aims to propose key technologies and applications for intelligent dispatching command in HSR in China.Design/methodology/approach–This paper first briefly introduces the functions and configuration of the intelligent CTC system.Some new servers,terminals and interfaces are introduced,which are plan adjustment server/terminal,interface for automatic train operation(ATO),interface for Dynamic Monitoring System of Train Control Equipment(DMS),interface for Power Supervisory Control and Data Acquisition(PSCADA),interface for Disaster Monitoring,etc.Findings–The key technologies applied in the intelligent CTC system include automatic adjustment of train operation plans,safety control of train routes and commands,traffic information data platform,integrated simulation of traffic dispatching and ATO function.These technologies have been applied in the Beijing-Zhangjiakou HSR,which commenced operations at the end of 2019.Implementing these key intelligent functions has improved the train dispatching command capacity,ensured the safe operation of intelligent HSR,reduced the labor intensity of dispatching operators and enhanced the intelligence level of China’s dispatching system.Originality/value–This paper provides further challenges and research directions for the intelligent dispatching command of HSR.To achieve the objectives,new measures need to be conducted,including the development of advanced technologies for intelligent dispatching command,coping with new requirements with the development of China’s railway signaling system,the integration of traffic dispatching and train control and the application of AI and data-driven modeling and methods.
文摘调度命令是铁路运输调度指挥工作的核心指令,准确、快速地传达调度命令,是保障铁路系统在复杂运营环境中安全、高效、有序运转的前提条件。目前,铁路运输生产中存在诸多书面调度命令传递的场景,需要由人工读取书面调度命令信息,并完成相关数据录入,耗时费力、效率较低,且易出现信息错误录入和漏传等问题。基于书面调度命令的特点,文章研究书面调度命令信息智能识别与提取方法,将图像分割处理与经典光学字符识别(OCR,Optical Character Recognition)算法相结合,增强对表格结构和文本内容的识别能力,更为精确地分割、定位和识别书面调度命令中的文字信息;并结合调度命令模板和用语规范,完成关键信息的提取。实验结果表明,在字符识别前先进行表格分割处理,对于提高调度命令文字识别准确率效果显著,便于后续调度命令结构化数据的自动提取。
