上海轨道交通既有线路存车线新增列车记忆定位功能信号系统改造方案研究
赵红斌
Signaling System Transformation Scheme for Adding Memorized Train Location Function to Stabling Track of Shanghai Rail Transit Existing Lines
ZHAO Hongbin
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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.20241561
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中图分类号/CLCN:U231.7
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栏目/Col:通信信号
摘要:
［目的］上海轨道交通采用CBTC(基于通信的列车控制)信号系统的既有线，采用正线夜间存车模式时，列车次日上电启车后，司机根据轨旁信号显示以人工限制向前模式驾驶列车，在列车定位建立过程中会产生行车安全风险。为支撑上海轨道交通全线网正线夜间存车模式实施推进，需对既有信号系统进行改造以使存车线具备记忆定位功能。［方法］分析了信号系统记忆定位功能设计原理、既有信号系统设施设备现状，以及记忆定位功能设计需求；提出了对存车线轨旁定位设备和车载信标读取设备进行改造，并对相应的轨旁车载软件进行适配性升级的改造方案。［结果及结论］该信号系统改造方案实施后，上海轨道交通6、7、8、9、11号线存车线具备了列车记忆定位功能。目前的正线夜间存车模式能够实现过夜列车次日启车直接获取定位，并能以信号受控模式快速投入运营。
Abstracts:
［Objective］ When Shanghai Rail Transit existing lines using CBTC (communication-based train control) signaling system adopts the mainline night time storage mode, after powering up on the following day, the driver starts the train in restricted manual driving forward (RMF) mode based on wayside signal indication, and potential operational safety risks may arise during train positioning establishment process. ［Method］ The design principle of signaling system memorized location function, the current status of existing signaling system facilities and equipment, and design demands for memorized location function are analyzed; an improvement of stabling track wayside positioning equipment and on-board beacon reading device is proposed, and a renovation plan of adaptability upgrade is carried out for corresponding wayside on-board software. ［Result & Conclusion］ After implementing the signaling system renovation plan, the stabling tracks of Shanghai Rail Transit Line 6, Line 7, Line 8, Line 9, and Line 11 are equipped with memorized train location function. Currently, the applied mainline night time storage mode can achieve positioning directly for overnight trains in the following morning after trains powering up, and can quickly start operation in signal controlled mode.
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