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Title: A study of lifetime distributions for regularly replaced systems
Authors: Kong, H.
Xie, M. 
Goh, T.N. 
Keywords: Exponential approximation
Lifetime distribution
Minimal repair
Regularly replaced system
Issue Date: May-2001
Source: Kong, H.,Xie, M.,Goh, T.N. (2001-05). A study of lifetime distributions for regularly replaced systems. Asia-Pacific Journal of Operational Research 18 (1) : 67-76. ScholarBank@NUS Repository.
Abstract: Usually lifetime distributions are used for systems that are not repaired or maintained. In practice, regular replacement is usually implemented and the actual distribution of time to failure in such a case is of great interest. In this paper, the use of exponential distribution assumption is investigated. For a number of commonly used lifetime distributions, their average failure rate expressions are derived under the assumption that the system is regularly replaced or maintained in such a way that it is considered to be good-as-new. Some analytical and numerical results are obtained. Such a study is useful for spare provision and maintenance decision-making. The interesting problem of optimal replacement policy is also investigated using Weibull distribution as an example.
Source Title: Asia-Pacific Journal of Operational Research
ISSN: 02175959
Appears in Collections:Staff Publications

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