新一代基于云架构信号系统建设方案
刘敏杰1吴刚2
New-generation Signaling System Construction Scheme Based on Cloud Architecture
LIU Minjie1WU Gang2
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作者信息:1.常州地铁集团有限公司， 213010， 常州
2.广州地铁设计研究院股份有限公司， 510010， 广州
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Affiliation:1.Changzhou Metro Group Co., Ltd., 213010, Changzhou, China
2.Guangzhou Metro Design and Research Institute Co., Ltd., 510010, Guangzhou, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2024.02.050
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中图分类号/CLCN:U231.7
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栏目/Col:应用技术
摘要:
［目的］以推进城市轨道交通信息化、发展智能系统、建设“智慧城轨”为主题，构建高度集成的城市轨道交通云平台是新时代技术发展方向, 信号系统与云平台融合属于信号系统的一个重要发展趋势，需对如何构建高效、可靠、经济的基于云架构的信号系统进行深入研究。［方法］结合常州地铁新一轮城市轨道交通建设方案的需求，根据现有云平台技术特点和信号系统技术现状，对信号系统云化可行性及建设方案进行分析、论证；重点研究线网统一的ATS(列车自动监控)建设方案、信号系统云化范围、云平台架构的选择、云化后信号系统ATS互联互通方案等内容。［结果及结论］明确了信号系统云化的定义，论证了信号系统ATS云化的可行性；根据信号系统云化后能否通过SIL2(安全、完整性等级2)评估，确定了ATS云化的具体设备清单；提出了新一代基于云架构的信号系统建设方案，建议承载ATS的城市轨道交通云平台架构可逐步从模式一向模式三过渡，并应具备更新迭代的能力。信号系统设备融入云平台后能够提升信号系统的处理能力，减少硬件设备数量，并有利于实现线网资源信息互通，促进调度智能化的发展。
Abstracts:
［Objective］ With the theme of promoting urban rail transit information, developing intelligent system, and building 'smart urban rail' for a highly integrated urban rail transit cloud platform is the direction of technological development in the new era. The integration of signaling system and cloud platform is an important development trend of signaling systems. In-depth research is needed on how to build an efficient, reliable, and cost-effective signaling system based on cloud architecture. ［Method］ Combining the needs of Changzhou Metro new round of urban rail transit construction scheme, based on the technological characteristics of existing cloud platform and current situation of signaling system, the feasibility and construction scheme of signaling system cloudification are analyzed and verified. The research of contents such as line network unified ATS (automatic train supervision) construction scheme, signaling system cloudification scope, cloud platform architecture selection, and signaling system ATS interoperability scheme after cloudification are emphasized. ［Result & Conclusion］ The definition of signaling system cloudification is clarified, discussing the feasibility of signaling system ATS cloudification. According to the estimation whether the signaling system can pass SIL2 (safety, integrity level 2) after cloudification, a list of specific equipment for ATS cloudification is determined. The new-generation signaling system construction scheme based on cloud architecture is proposed, and the urban rail transit cloud platform architecture carrying ATS is suggested to transit from mode 1 to mode 3 gradually, possessing the ability to update and iterate. Signaling system equipment can level up the processing capacity of the signaling system and reduce hardware device amount after integration into cloud platform, contributing to realizing line network resource/information exchange and promoting modulating the development of intelligent scheduling.
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