A feature extraction method for predictive maintenance with time‐lagged correlation–based curve‐registration model

Shouli Zhang, Chen Liu, Shen Su, Yanbo Han and XiaoHong Li

International Journal of Network Management, 2018, vol. 28, issue 5

Abstract: With the prevalent development and use of predictive maintenance models for Internet‐of‐Things scenarios, the deep learning technology is gaining momentum. Feature extraction helps to increase efficiency in training the deep‐learning–based predictive maintenance model. However, there are common situations of time‐lagged correlations among industrial sensor data, resulting in reduction the effect of feature extraction. In this paper, we propose a feature extraction method for multisensors data with time‐lagged correlation. A curve‐registration method of correlation maximization algorithm is used to solve the problem of time‐lagged correlation for multi sensors. Then we apply a recurrent neural network, namely, long short‐term memory to develop a lightweight predictive maintenance model with the help of proposed feature extraction method. The effectiveness of the proposed feature extraction approach is demonstrated by examining real cases in a power plant. The experimental results indicate that our method can (1) effectively improve the accuracy of prediction and (2) improve the performance of the prediction model.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:wly:intnem:v:28:y:2018:i:5:n:e2025

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