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Method and apparatus for detecting compressor stall precursors

  • US 20050132712A1
  • Filed: 12/23/2003
  • Published: 06/23/2005
  • Est. Priority Date: 12/23/2003
  • Status: Active Grant
First Claim
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1. A method of detecting onset of a gas turbine condition, which, if left uncorrected, may result in a malfunction of a gas turbine, said method comprising:

  • receiving data indicative of an operating parameter of a compressor of the gas turbine;

    performing a wavelet transformation on the data to generate wavelet transformed data, said wavelet transformation configured to affect a processing characteristic regarding a performance of said wavelet transformation;

    generating said wavelet transformed data; and

    identifying features in said wavelet transformed data indicative of onset of the gas turbine condition.

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