Note on the (N, T) Replacement Rule

A model is presented for analyzing (N, T) replacement policies. This rule consists of a T Age Replacement Policy, combined with replacement after N failures, whichever comes first. Using renewal arguments, an optimal (N, T) policy is established. The model applies to situations where repair and/or r...

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Bibliographic Details
Published inIEEE transactions on reliability Vol. R-34; no. 4; pp. 374 - 376
Main Authors Tapiero, Charles S., Ritchken, Peter H.
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.01.1985
Institute of Electrical and Electronics Engineers
Subjects
Applied sciences
Cost function
Exact sciences and technology
Maintenance
Operational research and scientific management
Operational research. Management science
Poisson equations
Programmable control
Reliability theory. Replacement problems
Renewal theory
Replacement policy
Stochastic processes
T) policy
Tin
Maintenance
Reliability
Replacement problem
Renewal process
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Summary:A model is presented for analyzing (N, T) replacement policies. This rule consists of a T Age Replacement Policy, combined with replacement after N failures, whichever comes first. Using renewal arguments, an optimal (N, T) policy is established. The model applies to situations where repair and/or replacement costs depend on the number of failures. An example illustrates the procedure with a Poisson process. Under special circumstances, the (N, T) maintenance model reduces to simpler forms. This model can be extended to handle (N, T) replacements of k-out-of-N reliability systems, for example.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9529
1558-1721
DOI:10.1109/TR.1985.5222197