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Program for the Analysis of Fault Trees. [PDF]
, 1983 Abstract : Document describes PAFT F77, a program for the analysis of fault trees coded in Fortran 77. Given the structure of a fault tree and the probability or failure rates of its basic events, PAFT F77 calculates the probabilities of the top and all intermediate events, as well as the marginal importances of all basic events.
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Multistate fault-tree analysis
Reliability Engineering & System Safety, 1990Abstract The recursive pivotal decomposition algorithm is a quantitative analysis method of binary fault-tree. In this article, the algorithm will be applied to the multistate case. As a result, a practical method of quantitative analysis of multistate fault-trees is given.
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Delay times in fault tree analysis
Microelectronics Reliability, 1982Abstract In reliability analysis of technical systems the failure frequency of cut sets alone is often insufficient to assess the probability of an undesired event. In many systems an undesired event occurs after failures of system elements, however not before a limited time period is over.
L. Camarinopoulos, Axel Becker
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Uncertainty Analysis of Fault-Tree Outputs
IEEE Transactions on Reliability, 1985Summary: The multiaffine nature of the top-event probability as a function of component unavailability is recognized. This leads, under the assumption of statistically independent failures, to the derivation of an exact formula relating the variance of the system unavailability to the variances of the component unavailability.
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The use of not logic in fault tree analysis [PDF]
Quality and Reliability Engineering International, 2001 AbstractRisk and safety assessments carried out on potentially hazardous industrial systems commonly employ fault tree analysis to predict the probability or frequency of system failure. Causes of the system failure mode are developed in an inverted tree structure where the events are linked using logic gates. The type of logic is usually restricted to
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Fault-class-aware fault tree generation and analysis
2013 IEEE International Symposium on Software Reliability Engineering Workshops (ISSREW), 2013Over decades, fault-tree has remained as one of the most widely used fault management (FM) mechanisms by practitioners as a visualization/communication media, as well as a quantitative analysis tool for building dependable systems. Nonetheless, to date fault tree analysis is often unable to provide us with high-confidence results due to potential ...
Ann T. Tai +3 more
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Fault-Tree Analysis Using a Binary Decision Tree
IEEE Transactions on Reliability, 1985Summary: A new algorithm for the production of a short disjoint-products form of a fault-tree output function is presented and discussed. This algorithm consists of a sequential binary decision process to find first big, then smaller sets of elementary system-failure states which correspond to disjoint-product terms.
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Fault-tree analysis of intermittent events
International Journal of Systems Science, 1986This paper presents a bottom-up methodology for sequential reduction of fault tree end-branches with intermittent events. The methodology can be used in conjunction with ordinary events with permanent state change.
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