城市轨道交通信号系统更新改造需求分析
戴翌清
Demand Analysis of Urban Rail Transit Signal System Renovation
DAI Yiqing
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作者信息:上海地铁维护保障有限公司通号分公司， 200235， 上海
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Affiliation:Telecom & Signal Branch, Shanghai Metro Maintenance Support Co., Ltd., 200235, Shanghai, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2022.11.004
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中图分类号/CLCN:U231.7
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栏目/Col:研究报告
摘要:
随着城市轨道交通线路运营年限的增加，信号系统的更新改造逐渐规模化。结合国家相关规划要求，从城市轨道交通设施设备运行维护管理要求、信号系统功能与运营需求的匹配性、信号系统的先进性、工程的可实施性等4个角度，分析了城市轨道交通信号系统更新改造的需求，主要包括提高列车旅行速度、缩短列车最小追踪间隔、列车自动灵活编组、支持如大站快车、双向不均衡发车、运行交路调整等灵活的运营调整措施等。提出了拟采用的信号系统技术先进性评估的5个维度，分析了选择更新改造方案时需要重点考虑的因素及问题，可为信号系统更新改造方案的可行性研究和评价提供参考。
Abstracts:
With the increase of urban rail transit service life, the renovation of signal system is gradually scaled up. Combined with the requirements of relevant national plans, the re-novation of urban rail transitsignal system is analyzed from four perspectives: the operation and maintenance management of rail transit facilities and equipment, the matching between signal system functions and operation requirements, the progressiveness of signal system, and the feasibility of the project. The signal system innovation mainly includes the increase of train travel speed, the reduction of train headway, the automatic and flexible coupling of trains, and the support for flexible operational adjustment measures, such as operation of large station express, bi-direction unbalanced departure, operation routing adjustment, etc. Then, five dimensions of the proposed assessment of the signal system technological advancement are put forword, factors and problems should be mainly considered in the selection of the innovation are analyzed, all of which can provide reference for the feasibility study and evaluation of the signal system renovation.
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