TY - JOUR
T1 - Modelling software failures of digital I&C in probabilistic safety analyses
AU - Jockenhövel-Barttfeld, Mariana
AU - Bäckström, Ola
AU - Holmberg, Jan-Erik
AU - Porthin, Markus
AU - Taurines, Andre
AU - Tyrväinen, Tero
N1 - Project code: 102392
PY - 2015
Y1 - 2015
N2 - Digital instrumentation and control systems (I&C) are
appearing as upgrades in older nuclear power plants
(NPPs) and are commonplace in new NPPs. To assess the
risk of NPP operation and to determine the risk impact of
digital system upgrades on NPPs, quantifiable reliability
models are needed along with data for digital systems
that are suitable for using in existing probabilistic
safety assessments (PSA). This paper presents a
methodology for the consideration of software failures of
I&C systems in nuclear PSA context. Evidence of
operational data of the digital system platform TELEPERMr
XS (TXS) developed at AREVA GmbH is considered in the
software failure probability quantification process.
AB - Digital instrumentation and control systems (I&C) are
appearing as upgrades in older nuclear power plants
(NPPs) and are commonplace in new NPPs. To assess the
risk of NPP operation and to determine the risk impact of
digital system upgrades on NPPs, quantifiable reliability
models are needed along with data for digital systems
that are suitable for using in existing probabilistic
safety assessments (PSA). This paper presents a
methodology for the consideration of software failures of
I&C systems in nuclear PSA context. Evidence of
operational data of the digital system platform TELEPERMr
XS (TXS) developed at AREVA GmbH is considered in the
software failure probability quantification process.
UR - https://www.kernenergie.de/kernenergie-en/fachzeitschrift-atw/hefte-themen/2015/03_mar.php#anchor_40b6df99_Accordion-Modelling-Software-Failures-of-Digital-I-C-in-Probabilistic-Safety-Analyses
M3 - Article
SN - 1431-5254
VL - 60
SP - 151
EP - 158
JO - atw - International Journal for Nuclear Power
JF - atw - International Journal for Nuclear Power
IS - 3
ER -