| 一种三取二安全计算机系统的设计与实现 |
| |
| 引用本文： | 刘真.一种三取二安全计算机系统的设计与实现[J].铁路计算机应用,2016,25(11):49-52. |
| |
| 作者姓名： | 刘真 |
| |
| 作者单位： | 北京全路通信信号研究 设计院集团有限公司,北京 100070 |
| |
| 摘 要： | 介绍一种用于铁路车载控制设备的三取二安全计算机系统。该计算机系统由3套相同的子系统构成，采用冗余容错技术并利用VxWorks实时操作系统和软件进行开发。三系冗余容错系统的特点是对单系故障具有屏蔽作用，体现在控制过程中就是控制的连续性和故障后的无缝切换，这是选择三系的主要动机。
|
| 关 键 词： | 三取二 安全性 冗余系统 容错 |
| 收稿时间： | 2016-03-29 |
Two-out-of-three Safety-critical Computer System |
| |
| Institution: | Beijing National Railway Research & Design Institute of Signal & Communication Ltd., Beijing 100070, China |
| |
| Abstract: | This article introduced a two-out-of-three Safety-critical Computer System which was used in on-board equipment of railway transport. The System consisted of three same subsystems, was developed with fault-tolerant technology and the VxWorks real-time operating system. The characteristic of three series redundant fault-tolerant system is the shielding effect to the single line fault, reflects the continuity in the control process and seamless handover after breakdown. |
| |
| Keywords: | |
|
| 点击此处可从《铁路计算机应用》浏览原始摘要信息 |
| 点击此处可从《铁路计算机应用》下载免费的PDF全文 |
