| 计算机联锁系统二乘二取二容错结构分析 |
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| 引用本文： | 张佳楠,王海峰,蒋大明.计算机联锁系统二乘二取二容错结构分析[J].铁路计算机应用,2006,15(11):46-49. |
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| 作者姓名： | 张佳楠 王海峰 蒋大明 |
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| 作者单位： | 北京交通大学,电子信息工程学院,北京,100044 |
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| 摘 要： | 针对计算机联锁系统的二乘二取二容错结构,基于马尔可夫模型,将各单元的失效率划分为几个独立的分量,根据每部分失效率对结构的影响,利用计算机对系统的可靠性和安全性进行分析和仿真计算.结果表明,二乘二取二容错结构满足铁路联锁系统高可靠性和高安全性要求.
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| 关 键 词： | 可靠性 安全性 二乘二取二 计算机联锁 故障-安全 |
| 文章编号： | 1005-8451(2006)11-0046-04 |
| 收稿时间： | 2006-09-08 |
| 修稿时间： | 2006年9月8日 |
Analysis of double 2-vote-2 fault-tolerant architecture used in Computer-based Interlocking System |
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| ZHANG Jia-nan,WANG Hai-feng,JIANG Da-ming.Analysis of double 2-vote-2 fault-tolerant architecture used in Computer-based Interlocking System[J].Railway Computer Application,2006,15(11):46-49. |
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| Authors: | ZHANG Jia-nan WANG Hai-feng JIANG Da-ming |
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| Abstract: | It was analyzed the architecture of double 2-vote-2 Computer-based Interlocking System by using Markov model. The failure rates were divided into several different parts. The reliability and safety could be analyzed according to the effects of each part of the failure rate by using computer. The result showed that the double 2-vote-2 fault-tolerant architecture satisfied requirements of high reliability and safety in Computer-based Interlocking System. |
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| Keywords: | reliability safety double 2-vote-2 computer-based interlocking fail-safe |
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