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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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A network traffic prediction model of smart substation based on IGSA-WNN

  • Xia, Xin (College of Computer Information Technology, Wuhan Institute of Shipbuilding Technology) ;
  • Liu, Xiaofeng (Department of Information Technology, Wenzhou Vocational and Technical College) ;
  • Lou, Jichao (School of Computer Science, Wuhan University)
  • Received : 2019.01.31
  • Accepted : 2019.09.16
  • Published : 2020.06.08
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Abstract

The network traffic prediction of a smart substation is key in strengthening its system security protection. To improve the performance of its traffic prediction, in this paper, we propose an improved gravitational search algorithm (IGSA), then introduce the IGSA into a wavelet neural network (WNN), iteratively optimize the initial connection weighting, scalability factor, and shift factor, and establish a smart substation network traffic prediction model based on the IGSA-WNN. A comparative analysis of the experimental results shows that the performance of the IGSA-WNN-based prediction model further improves the convergence velocity and prediction accuracy, and that the proposed model solves the deficiency issues of the original WNN, such as slow convergence velocity and ease of falling into a locally optimal solution; thus, it is a better smart substation network traffic prediction model.

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References

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