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논문 기본 정보

자료유형
학술저널
저자정보
Chen Zhi (National Key Laboratory of Nuclear Reactor Technology, Nuclear Power Institute of China) Dai Miaoxin (School of Computer Science, University of South China) Liu Jie (School of Computer Science, University of South China) Jiang Wei (National Key Laboratory of Nuclear Reactor Technology, Nuclear Power Institute of China) Min Yuan (National Key Laboratory of Nuclear Reactor Technology, Nuclear Power Institute of China)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology Vol.56 No.9
발행연도
2024.9
수록면
3,740 - 3,749 (10page)
DOI
10.1016/j.net.2024.04.022

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초록· 키워드

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To reduce the losses caused by aging failure of insulation gate bipolar transistor (IGBT), which is the core components of nuclear power plant rod position indicating and rod control (RPC) system. It is necessary to conduct studies on its life prediction. The selection of IGBT failure characteristic parameters in existing research relies heavily on failure principles and expert experience. Moreover, the analysis and learning of time-domain degradation data have not been fully conducted, resulting in low prediction efficiency as the monotonicity, time correlation, and poor anti-interference ability of extracted degradation features. This paper utilizes the advantages of the stacked denoising autoencoder(SDAE) network in adaptive feature extraction and denoising capabilities to perform adaptive feature extraction on IGBT time-domain degradation data; establishes a longshort- term memory (LSTM) prediction model, and optimizes the learning rate, number of nodes in the hidden layer, and number of hidden layers using the Gray Wolf Optimization (GWO) algorithm; conducts verification experiments on the IGBT accelerated aging dataset provided by NASA PCoE Research Center, and selects performance evaluation indicators to compare and analyze the prediction results of the SDAE-LSTM model, PSOLSTM model, and BP model. The results show that the SDAE-LSTM model can achieve more accurate and stable IGBT life prediction.

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