Title: Sensitivity Analysis in Support to Design Activities
Citation: Atti del Convegno Valutazione e Gestione del Rischio negli Insediamenti Civili e Industriali p. 1-12
Publisher: Università di Pisa
Publication Year: 2008
JRC N°: JRC45205
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC45205
Type: Articles in periodicals and books
Abstract: The combination of Importance and Sensitivity Analysis (ISA) with Fault Tree Analysis (FTA) constitutes a very powerful tool to improve the design of critical systems. Current ISA methodologies analyse different top-events sequentially to identify, through the components importance measures, the weakest parts of the system which require further design considerations. The present paper describes a new method for on-line Importance and Sensitivity Analysis which allows identifying design solutions that satisfy predefined failure probability goals for all Top-events. The originality of this method relies on the possibility to rapidly obtain a uniformly protected system, i.e. without weak points as well as without "over-reliable" functions.
JRC Directorate:Space, Security and Migration

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