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Designing Control and Protection Systems with Regard to Integrated Functional Safety and Cybersecurity Aspects
Abstract
This article addresses current problems of risk analysis and probabilistic modelling for functional safety management in the life cycle of safety-related systems. Two main stages in the lifecycle of these systems are distinguished, namely the design and operation. The risk analysis and probabilistic modelling differ in these stages in view of available knowledge and data. Due to the complexity and uncertainty involved, both qualitative and quantitative information can be useful in risk analysis and probabilistic modelling. Some methodological aspects of the functional safety assessment are outlined that include mod-elling of dependent failures or cybersecurity and verifying the safety integrity level (SIL) under uncertainty. It is illustrated how the assumptions in the process of risk analysis and probabilistic modelling influence results obtained and, therefore, potentially the decisions taken in functional safety management. Programmable control and safety systems play an important role in mitigating and controlling risks in the operation of hazardous installa-tions. This paper presents ways to deal with safety hazards involving such systems to be considered in risk analysis and integrated functional safety and cybersecurity manage-ment.
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/en14082227
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
ENERGIES
no. 14,
pages 2227 - 2250,
ISSN: 1996-1073 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Śliwiński M., Piesik E.: Designing Control and Protection Systems with Regard to Integrated Functional Safety and Cybersecurity Aspects// ENERGIES -Vol. 14,iss. 8 (2021), s.2227-2250
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/en14082227
- Verified by:
- Gdańsk University of Technology
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