ELEKTRA铁路信号系统:具有多样性的积极复制系统的现场经验

Twenty-Fifth International Symposium on Fault-Tolerant Computing. Digest of Papers Pub Date : 1995-06-27 DOI:10.1109/FTCS.1995.466954

H. Kantz, C. Koza

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引用次数: 55

摘要

自本世纪初以来，阿尔卡特奥地利公司一直是奥地利铁路信号产品的主要供应商。1985年，阿尔卡特奥地利公司开始开发电子联锁系统ELEKTRA。为了满足铁路联锁应用的严格安全要求，开发了一种基于设计分集的双通道系统。高可用性和可靠性是通过使用主动三冗余和在线恢复来实现的。1989年，第一个系统投入运行。大约有15个铁路联锁系统正在运行，更多的装置正在安装中。本文介绍了用于设计故障和物理故障的容错机制。本文还讨论了从这些概念中获得的经验。

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The ELEKTRA railway signalling system: field experience with an actively replicated system with diversity

Since the beginning of the century, Alcatel Austria has been the main supplier of railway signalling products in Austria. In 1985, Alcatel Austria began developing the electronic interlocking system ELEKTRA. In order to meet the stringent safety requirements for railway interlocking applications, a two channel system based on design diversity has been developed. High availability and reliability are achieved by using actively triplicated redundancy with on-line recovery. In 1989, the first system was put into operation. About 15 railway interlocking systems are in operation and further installations are ongoing. The paper presents the fault tolerance mechanisms used for design faults as well as physical faults. The experience gained with these concepts is also discussed.<>

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Twenty-Fifth International Symposium on Fault-Tolerant Computing. Digest of Papers

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