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dc.contributor.authorMATUZAS Vaidasen_GB
dc.contributor.authorCONTINI SERGIOen_GB
dc.date.accessioned2012-04-17T19:40:10Z-
dc.date.available2012-04-12en_GB
dc.date.available2012-04-17T19:40:10Z-
dc.date.created2012-03-12en_GB
dc.date.issued2012en_GB
dc.date.submitted2012-02-28en_GB
dc.identifier.isbn978-92-79-23390-6en_GB
dc.identifier.issn1831-9424en_GB
dc.identifier.otherEUR 25259 ENen_GB
dc.identifier.otherOPOCE LB-NA-25259-EN-Nen_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC69424-
dc.description.abstractThis report describes the user interface and the main commands to perform system dependability analysis by means of ASTRA Plus. This package implements the analysis methods developed at the Institute for the Protection and Security of the Citizen from mid-2008. ASTRA Plus is composed of the Fault Tree Analysis (FTA) module and of the Concurrent Importance and Sensitivity Analysis (CISA) module. The FTA module contains three different methods for solving a fault tree; all are based on the state of the art approach of Binary Decision Diagrams (BDD). These three methods allow the user to analyse fault trees of increasing complexity (i.e. increasing number of basic events and gates). In particular the third method, which is based on functional decomposition, allow performing the analysis of fault trees of very high complexity. The CISA module is based on a new methodology for system design improvement. The key operation is the calculation of Global Importance Measures of basic events considering all system fault trees. This allows identifying the weakest part of the system with reference to all top-events. Then the on-line sensitivity analysis allows the user to rapidly identify the set of suitable design improvements from which the best cost-effective one can be selected.en_GB
dc.description.sponsorshipJRC.G.6-Security technology assessmenten_GB
dc.format.mediumOnlineen_GB
dc.languageENGen_GB
dc.publisherPublications Office of the European Unionen_GB
dc.relation.ispartofseriesJRC69424en_GB
dc.titleASTRA Plus User Manualen_GB
dc.typeEUR - Scientific and Technical Research Reportsen_GB
dc.identifier.doi10.2788/17628en_GB
JRC Directorate:Space, Security and Migration

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