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A New Hyperparameters Identification Method of Support Vector Regression Model Based on Back Propagation Neural Network

  • Yongtang Ye
  • , Wenbo Zhang
  • , Kunsong Lin
  • , Ping Xu
  • , Yunxia Chen
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Support Vector Regression (SVR) is extensively used in various engineering fields. Hyperparameters directly affect the prediction accuracy of SVR model. Traditional hyperparameters identification method simply relies on data of the current sample, which is prone to overfitting with a low prediction accuracy. Therefore, a new hyperparameters identification method is put forward in this paper based on Back Propagation (BP) neural network. Firstly, the optimum hyperparameters of SVR model for each sample in historical database are obtained by a new optimization model proposed. Secondly, the mapping relationship between input data and optimum hyperparameters is built on the basis of BP neural network using multiple historical samples. Furthermore, the optimum hyperparameters for a new sample can be directly acquired from the neural network established. Finally, a case study on state of health estimation for lithium-ion batteries applying SVR is conducted to verify the effectiveness of the presented method.

Original languageEnglish
Title of host publication2020 Global Reliability and Prognostics and Health Management, PHM-Shanghai 2020
EditorsWei Guo, Steven Li, Qiang Miao
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728159454
DOIs
StatePublished - 16 Oct 2020
Event2020 Global Reliability and Prognostics and Health Management, PHM-Shanghai 2020 - Shanghai, China
Duration: 16 Oct 202018 Oct 2020

Publication series

Name2020 Global Reliability and Prognostics and Health Management, PHM-Shanghai 2020

Conference

Conference2020 Global Reliability and Prognostics and Health Management, PHM-Shanghai 2020
Country/TerritoryChina
CityShanghai
Period16/10/2018/10/20

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Back Propagation Neural Network
  • Hyperparameters Identification
  • State of Health Estimation
  • Support Vector Regression

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