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Residual-life distributions from component degradation signals: A Bayesian approach

Open access
GEBRAEEL, NAGI Z., LAWLEY, MARK A., LI, RONG, RYAN, JENNIFER K.·2005·IIE Transactions

Abstract

Real-time condition monitoring is becoming an important tool in maintenance decision-making. Condition monitoring is the process of collecting real-time sensor information from a functioning device in order to reason about the health of the device. To make effective use of condition information, it is useful to characterize a device degradation signal, a quantity computed from condition information that captures the current state of the device and provides information on how that condition is likely to evolve in the future. If properly modeled, the degradation signal can be used to compute a residual-life distribution for the device being monitored, which can then be used in decision models. In this work, we develop Bayesian updating methods that use real-time condition monitoring information to update the stochastic parameters of exponential degradation models. We use these degradation models to develop a closed-form residual-life distribution for the monitored device. Finally, we apply these degradation and residual-life models to degradation signals obtained through the accelerated testing of bearings.

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Metadata

Authors
GEBRAEEL, N. Z., LAWLEY, M. A., LI, R., & RYAN, J. K.
Venue
IIE Transactions
Published
2005-06
Volume
37
Issue
6
Pages
543-557
ISSN
  • 0740-817X (ISSN-L)
  • 1545-8830
OpenAlex
W2110007571
Cited by
788
References
17
FWCI
23.56
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Residual-life distributions from component degradation signals: A Bayesian approach. https://app.cochat.ai/papers/10.1080/07408170590929018
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GEBRAEEL, N. Z., LAWLEY, M. A., LI, R., & RYAN, J. K. (2005). Residual-life distributions from component degradation signals: A Bayesian approach. IIE Transactions. https://doi.org/10.1080/07408170590929018

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