Title
Prediction of Remaining Useful Life Using Fused Deep Learning Models: A Case Study of Turbofan Engines
Abstract
The study of intelligent operation and maintenance methods for turbofan engines is of great importance for improving the reliability of turbofan engines. Given the harsh operating conditions and complex structure of the turbofan engine, it is extremely difficult to establish an accurate physical model for remaining useful life (RUL) prediction. The traditional operation and maintenance method based on the physical model has several limitations in the application of turbofan engines, while the data-driven method offers a new solution. Compared with traditional machine learning models, deep learning models possess more powerful nonlinear expression capabilities and feature extraction capabilities. Therefore, this study focuses on studying the RUL prediction algorithm for turbofan engines based on the fused deep learning models. In this article, a multimodal deep learning approach based on a 1DCNN (1D convolutional neural network) + attention enhanced Bi-LSTM (bidirectional long short-term memory) network is proposed to predict the RUL by mining the temporal information of data. Furthermore, a DDResNet (dilated deep residual network) is also introduced to the 1DCNN submodel to leverage its hidden pattern mining capability due to its advance in preventing performance degradation across layers. Subsequently, the output of these two submodels is weighted fused to obtain the final RUL prediction. The merits of the proposed method are demonstrated by comparing it with existing methods for RUL prediction using the C-MAPSS (commercial modular aero-propulsion system simulation) dataset.
Year
DOI
Venue
2022
10.1115/1.4054090
JOURNAL OF COMPUTING AND INFORMATION SCIENCE IN ENGINEERING
Keywords
DocType
Volume
remaining useful life prediction, deep learning, model fusion, turbofan engine, data-driven engineering, engineering informatics, machine learning for engineering applications
Journal
22
Issue
ISSN
Citations 
5
1530-9827
0
PageRank 
References 
Authors
0.34
0
7
Name
Order
Citations
PageRank
Yu Zheng184.90
Xiangyu Bao200.68
Fei Zhao300.34
Chong Chen400.34
Ying Liu5603.89
Bo Sun610421.35
Haotong Wang700.34