分布式工业控制系统容错体系结构的可靠性评估

Proceedings 1997 IEEE International Workshop on Factory Communication Systems. WFCS'97 Pub Date : 1997-10-01 DOI:10.1109/WFCS.1997.634299

J. Campelo, F. Rodríguez, J. J. Serrano, P. Gil

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引用次数: 11

摘要

现代分布式工业控制系统的可靠性有待提高。我们研究了这些系统节点的不同容错架构，并提出了三种不同的方案来开发容错节点。此外，为了评估它们的可靠性，我们提出了基于马尔可夫链的理论模型，并得到了结果(可靠性和安全性)。根据得到的结果，我们可以根据可靠性和安全性约束，以及每种方案的复杂性和成本，为特定的分布式工业控制系统选择最合适的节点体系结构。

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Dependability evaluation of fault tolerant architectures in distributed industrial control systems

Modern distributed industrial control systems need improvements in their dependability. We study different fault tolerant architectures for the nodes of these systems and present three different alternatives in order to develop fault tolerant nodes. Moreover, in order to evaluate their dependability we present theoretical models of each one, based on Markov chains, and the results obtained (reliability and safety). With the results obtained we can choose the most appropriate node architecture for one particular distributed industrial control system as a function of the reliability and safety constraints, and the complexity and cost of each alternative.

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来源期刊

Proceedings 1997 IEEE International Workshop on Factory Communication Systems. WFCS'97

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