Using SVM based method for equipment fault detection in a thermal power plant

Authors:
Kai-Ying Chen;Long-Sheng Chen;Mu-Chen Chen;Chia-Lung Lee
Affiliations:
Department of Industrial Engineering and Management, National Taipei University of Technology, Taipei, Taiwan, ROC;Department of Information Management, Chaoyang University of Technology, Taichung, Taiwan, ROC;Institute of Traffic and Transportation, National Chiao Tung University, Taipei, Taiwan, ROC;Shanghai FirstTech Company Limited, China
Venue:
Computers in Industry
Year:
2011

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Abstract

Due to the growing demand on electricity, how to improve the efficiency of equipment in a thermal power plant has become one of the critical issues. Reports indicate that efficiency and availability are heavily dependant upon high reliability and maintainability. Recently, the concept of e-maintenance has been introduced to reduce the cost of maintenance. In e-maintenance systems, the intelligent fault detection system plays a crucial role for identifying failures. Data mining techniques are at the core of such intelligent systems and can greatly influence their performance. Applying these techniques to fault detection makes it possible to shorten shutdown maintenance and thus increase the capacity utilization rates of equipment. Therefore, this work proposes a support vector machines (SVM) based model which integrates a dimension reduction scheme to analyze the failures of turbines in thermal power facilities. Finally, a real case from a thermal power plant is provided to evaluate the effectiveness of the proposed SVM based model. Experimental results show that SVM outperforms linear discriminant analysis (LDA) and back-propagation neural networks (BPN) in classification performance.