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Contamination Grades Recognition of Ceramic Insulators Using Fused Features of Infrared and Ultraviolet Images

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  • Lijun Jin

    (School of Electronics and Information Engineering, Tongji University, Shanghai 201804, China
    State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an 710049, China)

  • Da Zhang

    (School of Electronics and Information Engineering, Tongji University, Shanghai 201804, China)

Abstract

In order to realize the non-contact measurement of ceramic insulator contamination severity, a method based on feature level fusion of infrared (IR) and ultraviolet (UV) image information is proposed in this paper. IR and UV images of artificially polluted insulators were obtained from high voltage experiments at 80%, 85% and 90% RH. After the preprocessing of images, IR and UV features were calculated, respectively. Then, feature selection based on Fisher criterion was adopted to gain features, which have the ability to distinguish different contamination grades effectively. In feature level fusion section, kernel principal component analysis (KPCA) was applied to the dimensionality reduction fusion of IR and UV features and obtain three-dimensional fused features. A particle swarm optimized back propagation neural network (PSO-BPNN) classifier was constructed and trained to recognize the contamination grades. Experimental results indicate that the feature level fusion of IR and UV information based on KPCA has capability to characterize the contamination grades comprehensively. Compared with recognition using IR or UV features separately, recognition based on the feature level fusion is more accurate and effective. This study provides a new methodology for the measurement of insulator contamination severity at working condition.

Suggested Citation

  • Lijun Jin & Da Zhang, 2015. "Contamination Grades Recognition of Ceramic Insulators Using Fused Features of Infrared and Ultraviolet Images," Energies, MDPI, vol. 8(2), pages 1-22, January.
  • Handle: RePEc:gam:jeners:v:8:y:2015:i:2:p:837-858:d:45182
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    References listed on IDEAS

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    1. Weigen Chen & Wanping Wang & Qing Xia & Bing Luo & Licheng Li, 2012. "Insulator Contamination Forecasting Based on Fractal Analysis of Leakage Current," Energies, MDPI, vol. 5(7), pages 1-14, July.
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    Cited by:

    1. Irfan Ullah & Rehan Ullah Khan & Fan Yang & Lunchakorn Wuttisittikulkij, 2020. "Deep Learning Image-Based Defect Detection in High Voltage Electrical Equipment," Energies, MDPI, vol. 13(2), pages 1-17, January.
    2. Saiful Mohammad Iezham Suhaimi & Nouruddeen Bashir & Nor Asiah Muhamad & Nurun Najah Abdul Rahim & Noor Azlinda Ahmad & Mohd Nazri Abdul Rahman, 2019. "Surface Discharge Analysis of High Voltage Glass Insulators Using Ultraviolet Pulse Voltage," Energies, MDPI, vol. 12(2), pages 1-26, January.
    3. Luqman Maraaba & Khaled Al-Soufi & Twaha Ssennoga & Azhar M. Memon & Muhammed Y. Worku & Luai M. Alhems, 2022. "Contamination Level Monitoring Techniques for High-Voltage Insulators: A Review," Energies, MDPI, vol. 15(20), pages 1-32, October.

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