Optimisation of proof test intervals in fault tree analysis

A method is presented for the optimisation of proof test intervals in fault tree analysis. The optimisation comprises minimisation of the total proof testing time for components whose failures are unrevealed, subject to the fault tree top event frequency being set at a specified value. The method ha...

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Bibliographic Details
Published inReliability engineering & system safety Vol. 41; no. 2; pp. 127 - 133
Main Author Schofield, S.L.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 1993
Elsevier
Subjects
Applied sciences
Exact sciences and technology
Operational research and scientific management
Operational research. Management science
Reliability theory. Replacement problems
Minimum time
Fault tree
Test
Safety
Reliability
Failures
Optimization
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ISSN0951-8320
1879-0836
DOI10.1016/0951-8320(93)90026-U

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Summary:A method is presented for the optimisation of proof test intervals in fault tree analysis. The optimisation comprises minimisation of the total proof testing time for components whose failures are unrevealed, subject to the fault tree top event frequency being set at a specified value. The method has been incorporated as a subroutine within the fault tree analysis program LOGAN, and an example is given of its application to a problem involving unrevealed failure modes. An indication is given of the potential usefulness of the method in cases where it is desired to minimise the time spent testing equipment, without prejudicing system safety or reliability.
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ISSN:0951-8320
1879-0836
DOI:10.1016/0951-8320(93)90026-U