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Remaining useful life estimation in prognostics using deep convolution neural networks
DOI:10.1016/j.ress.2017.11.021.png)
摘要
En 中文
Traditionally, system prognostics and health management (PHM) depends on sufficient prior knowledge of critical components degradation process in order to predict the remaining useful life (RUL). However, the accurate physical or expert models are not available in most cases. This paper proposes a new data-driven approach for prognostics using deep convolution neural networks (DCNN). Time window approach is employed for sample preparation in order for better feature extraction by DCNN. Raw collected data with normalization are directly used as inputs to the proposed network, and no prior expertise on prognostics and signal processing is required, that facilitates the application of the proposed method. In order to show the effectiveness of the proposed approach, experiments on the popular C-MAPSS dataset for aero-engine unit prognostics are carried out. High prognostic accuracy on the RUL estimation is achieved. The superiority of the proposed method is demonstrated by comparisons with other popular approaches and the state-of-the-art results on the same dataset. The results of this study suggest that the proposed data-driven prognostic method offers a new and promising approach. (C) 2017 Elsevier Ltd. All rights reserved.
Keyword:
Prognostics and health management
Remaining useful life
Deep learning
Convolution neural network
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期刊
R
IF:
11
论文数:
9.0K
被引数:
4.2W
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