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Fault Detection for Industrial Processes

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  • Yingwei Zhang
  • Lingjun Zhang
  • Hailong Zhang

Abstract

A new fault-relevant KPCA algorithm is proposed. Then the fault detection approach is proposed based on the fault-relevant KPCA algorithm. The proposed method further decomposes both the KPCA principal space and residual space into two subspaces. Compared with traditional statistical techniques, the fault subspace is separated based on the fault-relevant influence. This method can find fault-relevant principal directions and principal components of systematic subspace and residual subspace for process monitoring. The proposed monitoring approach is applied to Tennessee Eastman process and penicillin fermentation process. The simulation results show the effectiveness of the proposed method.

Suggested Citation

  • Yingwei Zhang & Lingjun Zhang & Hailong Zhang, 2012. "Fault Detection for Industrial Processes," Mathematical Problems in Engineering, Hindawi, vol. 2012, pages 1-18, December.
    • Handle: RePEc:hin:jnlmpe:757828
    DOI: 10.1155/2012/757828
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