Multi-fragmental and multi-phase availability models of the safety-critical I&C systems with two-cascade redundancy
Traditional availability, reliability, and safety models face the dimension problem due to a huge number of components in modern systems, motivating further research in this field. This paper focuses on multi-fragmental and multiphase models for availability and functional safety assessment of the i...
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| Veröffentlicht in: | International Journal of Electronics and Telecommunications 2024-01, Vol.70 (1), p.211-218 |
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| container_title | International Journal of Electronics and Telecommunications |
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| creator | Kharchenko, Vyacheslav Ponochovnyi, Yuriy Babeshko, Ievgen |
| description | Traditional availability, reliability, and safety models face the dimension problem due to a huge number of components in modern systems, motivating further research in this field. This paper focuses on multi-fragmental and multiphase models for availability and functional safety assessment of the information and control (I&C) systems with two-cascade redundancy considering design faults manifestation during operation. The methodology of the research is based on Markov and semi-Markov chains with the utilization of multi-phase modeling. Several multi-phase models are developed and investigated considering different conditions of operation and failures caused by version faults. The case study of the research is based on the analysis of safety-critical nuclear power plant I&C systems such as the reactor trip systems developed using the programmable platform RadICS. |
| doi_str_mv | 10.24425/ijet.2024.149533 |
| format | Article |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Availability Aviation Markov analysis Markov chains Multiphase Nuclear power plants Nuclear reactors Nuclear safety Redundancy Safety critical Supervision |
| title | Multi-fragmental and multi-phase availability models of the safety-critical I&C systems with two-cascade redundancy |
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