| 基于COTS的安全计算机系统 |
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| 引用本文： | 王猛,宁滨,马连川.基于COTS的安全计算机系统[J].铁道通信信号,2007,43(3):56-58. |
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| 作者姓名： | 王猛 宁滨 马连川 |
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| 作者单位： | 北京交通大学电子信息工程学院,100044,北京 |
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| 摘 要： | 根据国际标准提出了一种基于现货供应商品的二取二安全计算机方案。讨论了系统同步，安全通信协议、数据故障／安全比较等关键技术，提出一种新的系统同步方法，减少了瞬时故障的影响，提高了系统的可用性。样机的试验结果证明其结构设计合理，并具有良好的故障-安全性。
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| 关 键 词： | 安全相关 现货供应商品(COTS) 同步 安全通信协议 数据比较 |
| 修稿时间： | 2006-10-25 |
Safety Computer System Based on COTS |
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| Wang Meng,Ning Bin,Ma Lianchuan.Safety Computer System Based on COTS[J].Railway Signalling & Communication,2007,43(3):56-58. |
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| Authors: | Wang Meng Ning Bin Ma Lianchuan |
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| Abstract: | According to international standards, a safety computer system with two out of two configuration based on Commercial-Off-The-Shelf is put forward. Some key technologies such as synchronization, safety communication protocol, data fault, and safety comparison are discussed. A new way of synchronization is adopted to improve the availability. The testing result of the prototype machine shows that the system had reasonable configuration design and good fail-safe performance. |
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