Configuration of high reliable distributed control system

Yu Zang, Y. Fujimoto
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Abstract

This paper presents a configuration of high reliable distributed control systems (DCS). We have proposed DCS which utilize multiplexed control programs without adding any redundant controllers. And it also has been designed a extended Triple modular redundancy (TMR) for remote Input/Output in order to instead a function of fault detection. Reliability analysis have been carried out and reliability of the proposed systems have been calculated to compare full duplex structure and basic model. Mean Time To Failure (MTTF) of Analysis result is proved the proposed method achieves higher reliability than conventional full duplex systems, especially in the repairable condition. Furthermore, experimental results are demonstrated and confirmed that fault-tolerance of the proposed system is functional.
配置高可靠的集散控制系统
本文介绍了一种高可靠性集散控制系统(DCS)的结构。我们提出了采用多路控制程序而不增加冗余控制器的DCS。并设计了扩展的远程输入/输出三模冗余(TMR),以取代故障检测功能。对所提出的系统进行了可靠性分析和可靠性计算,并将全双工结构与基本模型进行了比较。分析结果表明,该方法比传统的全双工系统具有更高的可靠性,特别是在可修条件下。实验结果表明,该系统具有良好的容错功能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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