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The Application of Heterogeneous Information Fusion in Misalignment Fault Diagnosis of Wind Turbines

Author

Listed:
  • Yancai Xiao

    (School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Yujia Wang

    (School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Zhengtao Ding

    (School of Electrical and Electronic Engineering, The University of Manchester, Manchester M13 9PL, UK)

Abstract

The misalignment of the drive system is one of the important factors causing damage to gears and bearings on the high-speed output end of the gearbox in doubly-fed wind turbines. How to use the obtained information to determine the types of the faults accurately has always been a challenging problem for researchers. Under the restriction that only one kind of signal is used in the current wind turbine fault diagnosis, a new method based on heterogeneous information fusion is presented in this paper. The collected vibration signal, temperature signal, and stator current signal are used as original sources. Their time domain, frequency domain and time-frequency domain information are extracted as fault features. Taking into account the correlation between the features, t-distributed Stochastic Neighbor Embedding (t-SNE) is used to reduce the dimensionality of the original combinations. Then, the fusion features are put into the Least Square Support Vector Machine (LSSVM), which is optimized by artificial bee colony (ABC) algorithm. The simulation tests show that this method has higher diagnostic accuracy than other methods.

Suggested Citation

  • Yancai Xiao & Yujia Wang & Zhengtao Ding, 2018. "The Application of Heterogeneous Information Fusion in Misalignment Fault Diagnosis of Wind Turbines," Energies, MDPI, vol. 11(7), pages 1-15, June.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:7:p:1655-:d:154377
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    Cited by:

    1. Feng Han & Ying Tian & Qiang Zou & Xin Zhang, 2020. "Research on the Fault Diagnosis of a Polymer Electrolyte Membrane Fuel Cell System," Energies, MDPI, vol. 13(10), pages 1-18, May.

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