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Resource allocation for reliability of a complex system with aging components

Journal Article · · Quality and Reliability Engineering International
 [1];  [1];  [1]
  1. Los Alamos National Laboratory
+ Show Author Affiliations
To assess the reliability of a complex system, many different types of data may be available. Full-system tests are the most direct measure of reliability, but may be prohibitively expensive or difficult to obtain. Other less direct measures, such as component or section level tests, may be cheaper to obtain and more readily available. Using a single Bayesian analysis, multiple sources of data can be combined to give component and system reliability estimates. Resource allocation looks to develop methods to predict which new data would most improve the precision of the estimate of system reliability, in order to maximally improve understanding. In this paper, we consider a relatively simple system with different types of data from the components and system. We present a methodology for assessing the relative improvement in system reliability estimation for additional data from the various types. Various metrics for comparing improvement and a response surface approach to modeling the relationship between improvement and the additional data are presented.
Research Organization:
Los Alamos National Laboratory (LANL)
Sponsoring Organization:
DOE
DOE Contract Number:
AC52-06NA25396
OSTI ID:
960610
Report Number(s):
LA-UR-08-05483; LA-UR-08-5483
Journal Information:
Quality and Reliability Engineering International, Journal Name: Quality and Reliability Engineering International; ISSN QREIE5; ISSN 0748-8017
Country of Publication:
United States
Language:
English

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Related Subjects

99 GENERAL AND MISCELLANEOUS
ACCURACY
AGING
ALLOCATIONS
DATA
DETERMINISTIC ESTIMATION
LEVELS
METRICS
RELIABILITY
RESOURCES
SIMULATION