轨道交通信号系统变更安全管理流程优化
梁俊秀马瑞红王瑞张晓秦
Optimization of Safety Management Process for Rail Transit Signaling System Modification
LIANG JunxiuMA RuihongWANG RuiZHANG Xiaoqin
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作者信息:卡斯柯信号有限公司， 100070， 北京
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Affiliation:CASCO Signal Ltd., 100070, Beijing, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2023.06.028
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中图分类号/CLCN:U284∶X92
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栏目/Col:应用技术
摘要:
信号系统的整个生命周期中伴随着大量的变更，直接影响轨道交通的安全运行，且该系统的变更是引发轨道交通安全问题的重要原因。阐述了适用于信号系统的通用变更安全管理流程，将信号系统变更分为Type 1(增量型变更)、Type 2(纠正型变更)、Type 3(错误修改)、Type 4(更新)等4类，并对每种变更进行了详细说明；介绍了不同类型变更影响的生命周期阶段，并对其进行了风险分析和评估；对不同类型变更进行了决策优化，并提出了相应的安全证明要求。在对变更原因进行分类和分析的基础上，进一步提出了基于变更原因分类的信号系统变更安全管理优化流程。对4个已交付的信号系统项目变更原因进行了统计，确认了各类型变更占比。信号系统变更安全管理优化流程，可大大降低不必要的投入，提升了变更安全管理的效率。
Abstracts:
Signaling system undergoes large amount of modification throughout lifespan, which not only affects rail transit operation safety directly, but also become the crucial reason triggering rail transit safety issues. The general modification safety management process applicable for signaling system is proposed. The signaling system modification is classified into 4 types: Type 1 (incremental change), Type 2 (corrective change), Type 3 (error revision), Type 4 (upgrade), and detailed explanation is provided respectively. The lifecycle phase affected by each type is introduced, risk analysis and assessment are carried out. Decision optimization is conducted for each type of modification and corresponding safety confirmation requirements are put forward. On the basis of categorizing and analyzing modification reasons, the signaling system modification safety management optimization process based on reason categorization is further proposed. The modification reasons for 4 delivered signaling system projects are counted and the proportion of each type is confirmed. Signaling system modification safety management optimization process can greatly reduce unnecessary investment, improving modification safety management efficiency.
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