| 城市轨道交通信号系统冗余技术分析 |
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| 引用本文： | 甘勇.城市轨道交通信号系统冗余技术分析[J].城市轨道交通研究,2012,15(5):110-113. |
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| 作者姓名： | 甘勇 |
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| 作者单位： | 中铁第四勘察设计院(集团)有限公司通号处,430063,武汉 |
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| 摘 要： | 冗余技术是提高计算机系统安全可靠性的有效手段。介绍了城市轨道交通信号系统软件冗余与硬件冗余的原理,对采用的冗余技术进行了对比分析。分析了现代城市轨道交通信号系统中的冗余技术方案。以URBALISTM系统为例,从设备冗余与通信冗余两方面分析,指出冗余技术的合理设计对提高城市轨道交通信号系统的安全可靠性会产生重要影响。
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| 关 键 词： | 城市轨道交通 信号系统 冗余技术 故障-安全 |
Analysis of Redundancy Technology in Urban Rail Transit Signal System |
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| Gan Yong.Analysis of Redundancy Technology in Urban Rail Transit Signal System[J].Urban Mass Transit,2012,15(5):110-113. |
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| Authors: | Gan Yong |
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| Institution: | Gan Yong The 4th China Railway Survey and Design Group Co.,Ltd.,Communication & Signal Research & Designing Departmen,430063,Wuhan,China |
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| Abstract: | Redundancy is an effective means to improve the security and reliability of computer system.This article introduces the principle of software redundancy and hardware redundancy in urban rail traffic signal system,analyzes the application of redundancy technology,the redundancy scheme in modern rail transit signal system.Finally,based on the URBALISTM system and from the aspects of equipment redundancy and communication redundancy,the important impact of rational redundancy design on urban rail transit security and reliability are pointed out. |
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| Keywords: | urban rail transit signal system redundancy technology fault safe |
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