Аналіз безпеки та надійності ІКС АЕС з урахування різних архітектур комунікацій
Safety and reliability assessment of instrumentation and control (I&C) systems used in different safety-critical industries is a responsible and challenging task. Different assessment models recommended by international and national regulatory documents and used by experts worldwide still ha...
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| Date: | 2020 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
| Published: |
State Scientific and Technical Center for Nuclear and Radiation Safety
2020
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| Online Access: | https://nuclear-journal.com/index.php/journal/article/view/276 |
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| Journal Title: | Nuclear and Radiation Safety |
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Nuclear and Radiation Safety| Summary: | Safety and reliability assessment of instrumentation and control (I&C) systems used in different safety-critical industries is a responsible and challenging task. Different assessment models recommended by international and national regulatory documents and used by experts worldwide still have disadvantages and limitations. Therefore, studies of assessment model improvements and refinements are essential. This paper proposes that the assessment models be improved by taking into account different architectures of communications both between different systems and within one particular system. In most models, communication lines are considered absolutely reliable, but the analysis performed shows that the communications should be necessarily addressed. Several analytical models are described to assess the reliability of safety-critical systems for nuclear power plants with different communication options. |
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