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Assessment of the reactor trip system dependability: Two markov's chains - Based cases

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dc.contributor.authorOdarushchenko, O. B.
dc.contributor.authorОдарущенко, Олена Борисівна
dc.date.issued2014
dc.description.abstractThe diversity approach is commonly used to ensure dependability attributes of such critical computer-based systems as nuclear power plants information and control (NPPs I&C) systems, including the Reactor Trip System. There are two basic problems emerging in this approach - the choice of product-process diversity kinds and assessment of multi-version systems dependability. This paper presents a study for dependability assessment of two architectures of a typical NPP I&C system, the Reactor Trip System: a diverse two-channel system with three parallel tracks on voting logic "2-out-of-3" in each channel and a diverse three-channel system with two parallel tracks on voting logic "1-out-of-2" in each channel. The multi-fragmentation approach is proposed to provide a detailed description of RTS hardware-software interconnection. The resulting models are stiff, which poses a problem in case of achieving the accurate numerical solution. Thus, the models are solved using a number of approaches and tools to verify the results. Obtained results can help to make informed decision between the observed RTS architectures.
dc.identifier.citationAssessment of the Reactor Trip System Dependability Two Markov Chains - based Cases / V. Kharchenko et al. Proceeding of the 10th International Conference on Digital Technologies, Slovak Republic. Zilina. July, 2014. P. 103-109. DOI: 10.1109/DT.2014.6868699
dc.identifier.uriURL: https://www.scopus.com/authid/detail.uri?authorId=56560220900
dc.identifier.urihttps://dspace.pdau.edu.ua/handle/123456789/22161
dc.language.isoen
dc.publisherDT 2014 - 10th International Conference on Digital Technologies 2014 Conference Paper2014
dc.subjectMarkov chains
dc.subjectMultifargmentation
dc.subjectReactor Trip Systems
dc.subjectStiffness
dc.subjectStiffness avoidance approach
dc.subjectStiffness tolerance approach
dc.titleAssessment of the reactor trip system dependability: Two markov's chains - Based cases
dc.title.alternativeОцінка надійності системи зупинки реактора: що базуються на ланцюгах Маркова
dc.typeArticle
dspace.entity.typePublication
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