Journal
IEEE TRANSACTIONS ON RELIABILITY
Volume 64, Issue 1, Pages 182-196Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TR.2014.2355531
Keywords
Change point; hard failure; joint prognostic model; remaining useful life prediction
Categories
Funding
- NSF [CMMI-1335129]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1335129] Funding Source: National Science Foundation
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In this article, we propose a method to predict the remaining useful life (RUL) for individual units based on condition monitoring signals with a change point. In this work, we assume the units are subject to hard failure. The existence of a sudden change point in the condition monitoring signal indicates an increase of the probability of system failure. Therefore, this information should be considered in the RUL prediction. In the proposed method, an extended form of the joint prognostic model (JPM) considering a change point (JPM-C) is proposed, and the change point is detected according to the concordance correlation coefficient (CCC). The advantageous features of the proposed method have been shown through a numerical simulation, and a case study of the battery useful life prediction.
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