Spatio-temporal attention-based hidden physics-informed neural network for remaining useful life prediction

Jiang, Feilong and Hou, Xiaonan and Xia, Min (2025) Spatio-temporal attention-based hidden physics-informed neural network for remaining useful life prediction. Advanced Engineering Informatics, 63: 102958. ISSN 1474-0346

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Abstract

Predicting the Remaining Useful Life (RUL) is essential in Prognostic Health Management (PHM) for industrial systems. Although deep learning approaches have achieved considerable success in predicting RUL, challenges such as low prediction accuracy and interpretability pose significant challenges, hindering their practical implementation. In this work, we introduce a Spatio-temporal Attention-based Hidden Physics-informed Neural Network (STA-HPINN) for RUL prediction, which can utilize the associated physics of the system degradation. The spatio-temporal attention mechanism can extract important features from the input data. With the self-attention mechanism on both the sensor dimension and time step dimension, the proposed model can effectively extract degradation information. The hidden physics-informed neural network is utilized to capture the physics mechanisms that govern the evolution of RUL. With the constraint of physics, the model can achieve higher accuracy and reasonable predictions. The approach is validated on a benchmark dataset, demonstrating exceptional performance when compared to cutting-edge methods, especially in the case of complex conditions.

Item Type:
Journal Article
Journal or Publication Title:
Advanced Engineering Informatics
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1700/1702
Subjects:
?? artificial intelligenceinformation systems ??
ID Code:
226101
Deposited By:
Deposited On:
02 Dec 2024 10:10
Refereed?:
Yes
Published?:
Published
Last Modified:
03 Dec 2024 03:20