论文信息 - The IFR property for consecutive-k-out-of-n:F systems

The IFR property for consecutive-k-out-of-n:F systems

For a consecutive-k-out-of-n system of components with independent and identically distributed increasing failure rate (IFR) lifetimes, Cui et al. (Probab. Engng. Inform. Sci. 9 (1995) 217) proved that for any fixed k, there exists an nk for which the system does not preserve IFR when n>nk. On the other hand, it is difficult to obtain an analytical expression for nk although it is useful to know the range of values for which the IFR property is preserved. In this paper, we present a bound for nk. Some numerical results are given.

Lirong Cui

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