Nonparametric predictive inference for system reliability with redundancy allocation

P Coolen-Schrijner, F P A Coolen and I M MacPhee

Journal of Risk and Reliability, 2008, vol. 222, issue 4, 463-476

Abstract: This paper presents lower and upper probabilities for the reliability of k -out-of- m systems, which include series and parallel systems, and of series systems with independent k i -out-of- m i subsystems, for which optimal redundancy allocation is also presented in case of zero-failure testing. First, attention is restricted to k -out-of- m systems with exchangeable components. The lower and upper probabilities for successful functioning of the system are based on the nonparametric predictive inferential (NPI) approach for Bernoulli data. In this approach, it is assumed that test data are available on the components, and that the future components to be used in the system are exchangeable with these. Thereafter, systems are considered that consist of a series of independent subsystems, with subsystem i a k i -out-of- m i system consisting of exchangeable components. For such systems, an algorithm for optimal redundancy allocation after zero-failure testing is presented. A particularly attractive feature of NPI in reliability, with lower and upper probabilities, is that data containing zero failures can be dealt with in an attractive manner.

Keywords: k-out-of-m systems; lower and upper probabilities; nonparametric predictive inference; redundancy allocation; series-parallel systems; system reliability; zero-failure testing (search for similar items in EconPapers)
Date: 2008
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:sae:risrel:v:222:y:2008:i:4:p:463-476

DOI: 10.1243/1748006XJRR179

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