Fault Isolation for Nonlinear Systems Using Flexible Support Vector Regression

Yufang Liu, Bin Jiang, Hui Yi and Cuimei Bo

Mathematical Problems in Engineering, 2014, vol. 2014, 1-10

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.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:713018

DOI: 10.1155/2014/713018

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