Optimal system size for k-out-of-n systems with competing failure modes

We treat the problem of achieving optimal system size for k-out-of- n systems with competing failure modes. Assume that components are independent and identical distributed and subject to two types of failure: failure in open mode and failure in closed mode. The system works if and only if fewer tha...

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Bibliographic Details
Published inMathematical and computer modelling Vol. 15; no. 6; pp. 77 - 81
Main Author Pham, Hoang
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 1991
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ISSN0895-7177
1872-9479
DOI10.1016/0895-7177(91)90026-4

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Summary:We treat the problem of achieving optimal system size for k-out-of- n systems with competing failure modes. Assume that components are independent and identical distributed and subject to two types of failure: failure in open mode and failure in closed mode. The system works if and only if fewer than k components fail in closed mode and fewer than n − k + 1 components fail in open mode. In this paper we determine the optimal system size n which maximizes the system reliability. We also study the effect of the system parameters on the optimal system size n. A numerical example is given to illustrate the results.
ISSN:0895-7177
1872-9479
DOI:10.1016/0895-7177(91)90026-4