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Abstract

This paper describes a new method for determining the significant minimal cut sets of complex fault trees. It can be classified as hybrid, being based on the application of both top down and bottom up reduction approaches. This solution has been adopted particularly to estimate accurately the truncation error when the probabilistic cut-off technique is applied. Experimental results on real fault trees proved that the degree of conservatism of the truncation error is negligible at any practical combination of the probabilistic and logical threshold values. This new fault tree analysis procedure has been implemented, in C language, in the second version of the computer program ISPRA-FTA.

Additional information

Authors: CONTINI S, JRC Ispra (IT)
Bibliographic Reference: Article: Reliability and System Safety, Vol. 49 (1995) pp. 13-21
Record Number: 199511296 / Last updated on: 1995-11-23
Category: PUBLICATION
Original language: en
Available languages: en