ASQ - Electronics and Communications Division

Dynamic Fault Tree Analysis Based On The Structure Function

Abstract: 2011 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must first be obtained from the IEEE.

This paper presents an algebraic approach allowing to perform the analysis of any Dynamic Fault Tree (DFT). This approach is based on the ability to formally express the structure function of DFTs. We first present the algebraic framework that we introduced to model dynamic gates and hence be able to determine the structure function of DFTs. Then, we show that this structure function can be rewritten under a canonical form from which the qualitative analysis of DFTs can be performed directly. We finally provide a probabilistic model of dynamic gates to be able to perform the quantitative analysis of DFTs from their structure function.

Keywords: Fault Tree Analysis - Product Reliability - RAMS 2011 Proceedings - Reliability Analysis/Prediction/Estimation

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