G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 17/00 (2006.01) F01D 21/00 (2006.01) F04D 27/00 (2006.01) G01M 15/00 (2006.01)
Patent
CA 2490381
A method of detecting onset of a gas turbine condition, such as compressor stall, includes receiving data (e.g., 42) indicative of an operating parameter of a compressor of the gas turbine. The method also includes performing a wavelet transformation (e.g., 44) on the data to generate wavelet transformed data (e.g., 48, 50). The wavelet transformation is configured to affect a processing characteristic regarding a performance of the wavelet transformation. Features indicative of onset of the gas turbine condition in the wavelet transformed data are then identified to provide an indication for controlling the gas turbine to prevent compressor stall from occurring. A system (10) for detecting onset of compressor stall in a gas turbine (24) includes a sensor (18) for providing data (e.g., 20) indicative of an operating parameter of the compressor and a processor (e.g., 14) for performing a wavelet transform on the data to identify features of the optimized wavelet transformed data indicative of onset of stall.
Krok Michael Joseph
Shivaraya Kande Mallikarjun
Venkateswaran Narayanan
Company General Electric
Craig Wilson And Company
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