| Título: | Common-cause Failures as Major Issue in Safety of Control Systems |
| Autores: |
Ilavsky, Juraj; Siemens s.r.o., CEE RU-SK IC-MOL RA ECZ Rastocny, Karol; University of Zilina Zdansky, Juraj; University of Zilina |
| Fecha: | 2013-04-27 |
| Publicador: | Advances in Electrical and Electronic Engineering |
| Fuente: |
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| Tipo: |
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| Tema: | Common-cause failure; safety model; SRCS. |
| Descripción: | In order to gain an improvement of safety or availability measures of the safety-relevant control system through employment of redundancy a redundant system has to comply with the requirement on independence of redundant parts. If the requirements on the independence of redundant parts are unfulfilled, then a common-cause failure can directly cause a hazardous state on a system level through its effects on multiple redundant parts. Identification of sources and quantification of the common-cause failure parameters has been proved to be a formidable task. The latter problem, including other major safety-affecting factors lays in the focus of this paper. Our proposed technical safety analysis concept is extended, so now it partially covers elusive problems related to the common-cause failures. |
| Idioma: | Inglés |
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