NDLI: Component Reliability Criticality or Importance Measures for Systems With Degrading Components

Content Provider	IEEE Xplore Digital Library
Author	Hao Peng Coit, D.W. Qianmei Feng
Copyright Year	1963
Abstract	This paper proposes two new importance measures: one new importance measure for systems with -independent degrading components, and another one for systems with -correlated degrading components. Importance measures in previous research are inadequate for systems with degrading components because they are only applicable to steady-state cases and problems with discrete states without considering the continuously changing status of the degrading components. Our new importance measures are proposed as functions of time that can provide timely feedback on the critical components prior to failure based on the measured or observed degradation. Furthermore, the correlation between components is considered for developing these importance measures through a multivariate distribution. To evaluate the criticality of components, we analysed reliability models for multi-component systems with degrading components, which can also be utilized for studying maintenance models. Numerical examples show that the proposed importance measures can be used as an effective tool to assess component criticality for systems with degrading components.
Sponsorship	IEEE Reliability Society
Starting Page	4
Ending Page	12
Page Count	9
File Size	515122
File Format	PDF
ISSN	00189529
Volume Number	61
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reliability Degradation Joints Probability density function Vectors Time measurement Numerical models system reliability models Degrading components importance measures
Content Type	Text
Resource Type	Article
Subject	Safety, Risk, Reliability and Quality Electrical and Electronic Engineering

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Corrections to “Component Reliability Criticality or Importance Measures for Systems With Degrading Components” [Mar 12 4-12]

Relations and Generalizations of Importance Measures in Reliability

Mixture Representations for Three-State Systems With Three-State Components

Importance measures for control systems with degrading components

Some Recent Advances on Importance Measures in Reliability

Age replacement of components during IFR delay time

Component Importance Measures for Components With Multiple Dependent Competing Degradation Processes and Subject to Maintenance

Uncertainty Importance Measure of Individual Components in Multi-State Systems

Reliability Analysis for Multi-Component Systems Subject to Multiple Dependent Competing Failure Processes

Component Reliability Criticality or Importance Measures for Systems With Degrading Components

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Corrections to “Component Reliability Criticality or Importance Measures for Systems With Degrading Components” [Mar 12 4-12]

Relations and Generalizations of Importance Measures in Reliability

Mixture Representations for Three-State Systems With Three-State Components

Importance measures for control systems with degrading components

Some Recent Advances on Importance Measures in Reliability

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