Název:	Safety Integrity Evaluation of Safety Function
Autoři:	Ždánský, Peter Balák, Jozef Rástočný, Karol
Citace zdrojového dokumentu:	2018 International Conference on Applied Electronics: Pilsen, 11th – 12th September 2018, Czech Republic, 183-188.
Datum vydání:	2018
Nakladatel:	Západočeská univerzita v Plzni
Typ dokumentu:	konferenční příspěvek conferenceObject
URI:	http://hdl.handle.net/11025/35498
ISBN:	978–80–261–0721–7
ISSN:	1803–7232
Klíčová slova:	bezpečnostní funkce;bezpečnostní integrita;bezpečnostní systém;sPLC;IEC 61 508;Markovův řetězec;validace
Klíčová slova v dalším jazyce:	safety function;safety integrity;safety related system;sPLC;IEC 61 508;Markov Chain;validation
Abstrakt v dalším jazyce:	For a possibility of using the safety relevant system in practice, it is necessary to prove, that safety requirements, which are defined based on results of risk analysis, are fulfilled. Part of proving the safety of safety relevant system is also quantitative evaluation of safety integrity of the hardware which is involved in the safety functions realization. Objective of the paper is to compare different ways of the quantitative hardware safety integrity evaluation. For a specific technological process are identified hazards, their consequences and from them resulting safety functions. For each defined safety function is, by three different procedures, calculated the probability of dangerous failure per hour. At the end of the paper are stated reasons of results mismatch, which were obtained using different approaches.
Práva:	© Západočeská univerzita v Plzni
Vyskytuje se v kolekcích:	Applied Electronics 2018 Applied Electronics 2018

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