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Fault diagnosis of water chillers based on wavelet-packet analysis.

[In Chinese. / En chinois.]

Author(s) : ZHENG J., SUN H., ZHANG X.

Type of article: Article

Summary

The authors simulated nine common faults of single-screw chillers. They considered the suction temperature and exhaust temperature of the compressor as characteristic parameters, decomposed and reconstructed the characteristic parameters by wavelet-packet analysis, extracted the signals of fault characteristics, and established the relationship between characteristic vector and system state.

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Pages: 46-49

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 2008-0809
  • Languages: Chinese
  • Source: HV & AC - vol. 37 - n. 201
  • Publication date: 2007/08

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