Results 131 to 140 of about 2,095 (189)

Fuzzy fault tree analysis: a review of concept and application

open access: yesInternational Journal of Systems Assurance Engineering and Management, 2013
Fault tree analysis (FTA) is a widely used method for analyzing a system’s failure logic and calculating overall reliability. However, application of conventional FTA has some shortcomings, e.g. in handling the uncertainties, allowing the use of linguistic variables, and integrating human error in failure logic model.
A Srividya, Verma A K, Srividya A
exaly   +3 more sources

Fault-Tree Analysis by Fuzzy Probability

IEEE Transactions on Reliability, 1983
In the present approach based on a fuzzy fault-tree model, the maximum possibility of system failure is determined from the possibility of failure of each component within the system according to the extension principle. In calculating the possibility of system failure, some approximation is made for simplicity.
Tanaka, Hideo   +3 more
exaly   +2 more sources

Uncertainty in fault tree analysis: A fuzzy approach

Fuzzy Sets and Systems, 1996
Abstract In fault tree analysis, the uncertainties in the failure probability and/or failure rate of system components or basic events can be propagated to find the uncertainty in the overall system failure probability. The conventional approach is Monte-Carlo simulation by assuming a probability distribution for the failure probability. In addition,
P. V. Suresh, A. K. Babar, V. Venkat Raj
exaly   +2 more sources

A new method for fuzzy fault tree analysis

open access: yesMicroelectronics Reliability, 1989
It is well-known that the conventional fault tree analysis using probabilities has been found to be inadequate to handle the imprecision of input failure data and the uncertainties associated with the modelling particularly in relation to dependency of failures.
Misra, K. B., Weber, G. G.
openaire   +2 more sources

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