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Fault Isolation for Nonlinear Systems Using Flexible Support Vector Regression

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  • Yufang Liu
  • Bin Jiang
  • Hui Yi
  • Cuimei Bo

Abstract

While support vector regression is widely used as both a function approximating tool and a residual generator for nonlinear system fault isolation, a drawback for this method is the freedom in selecting model parameters. Moreover, for samples with discordant distributing complexities, the selection of reasonable parameters is even impossible. To alleviate this problem we introduce the method of flexible support vector regression (F-SVR), which is especially suited for modelling complicated sample distributions, as it is free from parameters selection. Reasonable parameters for F-SVR are automatically generated given a sample distribution. Lastly, we apply this method in the analysis of the fault isolation of high frequency power supplies, where satisfactory results have been obtained.

Suggested Citation

  • Yufang Liu & Bin Jiang & Hui Yi & Cuimei Bo, 2014. "Fault Isolation for Nonlinear Systems Using Flexible Support Vector Regression," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-10, April.
    • Handle: RePEc:hin:jnlmpe:713018
    DOI: 10.1155/2014/713018
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