American Journal of Information Science and Computer Engineering
Articles Information
American Journal of Information Science and Computer Engineering, Vol.2, No.5, Sep. 2016, Pub. Date: Oct. 5, 2016
Fault Prediction Method Combining Principal Component Analysis and Back Propagation Neural Network
Pages: 63-69 Views: 658 Downloads: 166
Authors
[01] Kaixuan Wang, School of Information Engineering, China University of Geosciences, Beijing, China.
[02] Mei Li, School of Information Engineering, China University of Geosciences, Beijing, China.
[03] Wanxin Shi, School of Information Engineering, China University of Geosciences, Beijing, China.
[04] Xu Liu, School of Information Engineering, China University of Geosciences, Beijing, China.
[05] Shiyao Qin, New Energy Institute, China Electric Power Research Institute, Beijing, China.
[06] Xiaojing Ma, New Energy Institute, China Electric Power Research Institute, Beijing, China.
Abstract
Fault prediction of wind turbine could greatly reduce its operation and maintenance cost. A fault prediction method combining Principal Component Analysis (PCA) and Back Propagation Neural Network (BPNN) is proposed. Using only BPNN to predict the turbine fault, one has to pick out proper attributes for training and that can be a troublesome work. With PCA revealing the hidden relationship between attributes, we no longer need to select attributes by experience thus saving cost. Also, PCA largely reduce the dimension of attributes so that the curse of dimensionality can be avoided. The proposed PCA-BPNN method can improve the accuracy by 3% compared BPNN method, so that abnormal state of the mechanical faults can be determined more precisely, again reduce the maintenance cost.
Keywords
Fault Prediction, Data Mining, Principal Component Analysis, Back Propagation Neural Network, Wind Turbine
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