Research on Fault Diagnosis Method of Wind Turbine Based on Wavelet Analysis and LS-SVM

Abstract:

Aiming at the fault characteristics of high-speed gearbox fault diagnosis of wind turbine, a fault diagnosis method of combining wavelet analysis with least square-support vector machine (LS-SVM) is proposed. According to the method, the energy of frequency bands generated by wavelet decomposition and reconstruction of the high-speed gearbox's vibration signals in different fault states is normalized as eigenvectors, forming training and testing samples of LS-SVM fault classifier. Train the LS-SVM fault diagnosis model with the training samples and test the accuracy with the testing samples. The result of research shows that the fault diagnosis method based on the wavelet analysis and LS-SVM has good diagnostics effect.

• Periodical: Advanced Materials Research (Volumes 724-725)
• Pages: 593-597
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.724-725.593
• Online since: August 2013
• Authors: Chang Liang Liu, Wei Xue Qi
• Keywords: Fault Diagnosis, High-Speed Gearbox, Support Vector Machine (SVM), Wavelet Analysis

References

[2] Hongze Li, Sen Guo, Bao Wang.  Electric Power Technologic Economics , Vol.7 (2011),pp.35-39(In Chinese)

[3] CWEA. Wind Energy. Vol. 3 (2011), pp.34-40(In Chinese)

[4] Xuefeng Chen, Jimeng Li, Hang Cheng, et al.  Chinese Journal of Mechanical Engineering, Vol. 9 (2011), pp.45-52(In Chinese)

[5] HAMEED Z, HONG Y S, CHO Y M, et al. Renewable and Sustainable Energy Reviews, Vol. 13 (2009),pp.1-39

[6] Zhengping Liu, Yanqiang Wang.Coal Mine Machinery. Vol.08 (2011),pp.266-268(In Chinese)

[7] Bin He, Jiajie Qie, Minghe Li. Journal of Zhejiang University (Engineering Science), Vol. 7 (2009),pp.1218-1221(In Chinese)

[8] Lei Guo, Jin Chen,Yi Zhu, et al. Journal of Shanghai Jiaotong University. Vol.4(2009), pp.679-682(In Chinese)

[9] Zheming Zhuang, Guohua Yin, Fenlan Li, et al. Transactions of China Electrotechnical Society, Vol.4(2009), pp.224-228(In Chinese)

[10] Shengchun Wang，Qing Zhang，Tonghong Jin，et al. Image and Signal Processing (CISP)，(2010), pp.3457-3461

[11] Fafa Chen, Baoping Tang, Shaojiang Dong. Chinese Journal of Scientific Instrument, Vol.12(2011), pp.2747-2753(In Chinese)

[12] H.C. Dubey1， A.K. Tiwari2， Nandita3，et al. Engineering and Systems (SCES),(2012), pp.1-5

[13] Li Yanqing， Huang Huaping，Li Ningyuan，et al. Power and Energy Engineering Conference (APPEEC), (2010), pp.1-4

[14] Chao Zhang, Jianjun Chen, Xun Guo. J.Cent. South Univ(Science and Technology). Vol.3(2012), P.932-939(In Chinese)

[15] Xianyuan Zhang, Jianzhong Zhou , Zhiwei Huang, et al. Proceedings of the CSEE, Vol.20(2010), pp.88-93(In Chinese)

[16] Yanping Gu, Wenjie Zhou, Zhansong Wu. Proceedings of the CSEE, Vol.17(2010), pp.91-97(In Chinese)

[17] H.C. Dubey A.K. Tiwari，Nandita，et al. Engineering and Systems (SCES),(2012), pp.1-5

[18] Wenji Peng, Xingqi Luo. Proceedings of the CSEE, Vol. 24(2006), pp.164-168(In Chinese)