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On the behaviour of some new ageing properties based upon the residual life of k-out-of-n systems

Published online by Cambridge University Press:  14 July 2016

Xiaohu Li
Affiliation:
Lanzhou University
Ming J. Zuo
Affiliation:
University of Alberta
Corresponding
E-mail address:

Abstract

In this paper, we investigate k-out-of-n systems with independent and identically distributed components. Some characterizations of the IFR(2), DMRL, NBU(2) and NBUC classes of life distributions are obtained in terms of the monotonicity of the residual life given that the (n-k)th failure has occurred at time t ≥ 0. These results complement those reported by Belzunce, Franco and Ruiz (1999). Similar conclusions based on the residual life of a parallel system conditioned by the (n-k)th failure time are presented as well.

Type
Short Communications
Copyright
Copyright © Applied Probability Trust 2002 

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References

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