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Title: Failure time distributions for complex equipment

Journal Article · · Quality and Reliability Engineering International
DOI:https://doi.org/10.1002/qre.2387· OSTI ID:1479952

The exponential distribution is inadequate as a failure time model for most components; however, under certain conditions (in particular, that component failure rates are small and mutually independent, and failed components are immediately replaced or perfectly repaired), it is applicable to complex repairable systems with large numbers of components in series, regardless of component distributions, as shown by Drenick in 1960. This result implies that system behavior may become simpler as more components are added. We review necessary conditions for the result and present some simulation studies to assess how well it holds in systems with finite numbers of components. Lastly, we also note that Drenick's result is analogous to similar results in other systems disciplines, again resulting in simpler behavior as the number of entities in the system increases.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1479952
Report Number(s):
LA-UR-18-22407
Journal Information:
Quality and Reliability Engineering International, Vol. 35, Issue 1; ISSN 0748-8017
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 5 works
Citation information provided by
Web of Science

References (24)

The Failure Law of Complex Equipment journal December 1960
On the Foundations of Reliability journal February 1981
On the Superposition of Renewal Processes journal June 1954
Markov models for evaluating risk-informed in-service inspection strategies for nuclear power plant piping systems journal January 2004
A critical look at the bathtub curve journal March 2003
Optimization techniques for system reliability: a review journal January 1992
Two general forms of approximation for determining near optimal inspection intervals with non-zero inspection and replacement times in a deteriorating production system journal September 2009
Numerical Approximation of Probability Mass Functions via the Inverse Discrete Fourier Transform journal August 2013
On the Foundations of Reliability journal February 1981
Design of Optimal Reliability Acceptance Sampling Plans for Exponential Distribution journal January 2016
Mean time to failure and availability of semi-Markov missions with maximal repair journal December 2010
Database development and uncertainty treatment for estimating pipe failure rates and rupture frequencies journal December 2004
Evaluation of Repairable System Reliability Using the ``Bad-As-Old'' Concept journal June 1968
On the Superposition of Renewal Processes journal January 1954
Pipe and vessel failure probability journal April 1981
The Transient Reliability Behavior of Series Systems or Superimposed Renewal Processes journal May 1973
Superimposed non-stationary renewal processes journal March 1971
A Limit Theorem for Flows of Similar Events journal January 1956
What happened to the system perspective in reliability? journal January 1992
MIL-HDBK-217-A favorite target conference January 1993
Necessary and Sufficient Conditions for Poisson's Distribution journal December 1950
Superimposed non-stationary renewal processes journal March 1971
Point Process Models With Applications to Safety and Reliability journal August 1990
Numerical Approximation of Probability Mass Functions Via the Inverse Discrete Fourier Transform text January 2012

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