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Optimal-arrangement and importance of the components in a consecutive-k-out-of-r-from-n:F system

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2 Author(s)
Papastavridis, S.G. ; Patras Univ., Athens, Greece ; Sfakianakis, M.E.

The authors examine: the determination of an optimal consecutive k-out-of-r-from-n:F system, under permutations of the components, and the Birnbaum-importance of components in the i.i.d. case. The authors first study (theorem 1) the optimality of a general system, with not necessarily s-identical components, under permutation of the components. Then they study (theorem 2) the importance of components in the i.i.d. case. Theorem 2 is readily derived from theorem 1. The main results are given in theorems 1 and 2, and proofs are given. The assumptions are: the system and each component are either good or failed: all binary component states are mutually statistically independent, and all n can be arranged in any linear order; and the system fails if and only if within r consecutive components, there are at least k failed ones

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Reliability, IEEE Transactions on  (Volume:40 ,  Issue: 3 )