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Keywords: wavelet transforms
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 121601.
Published Online: August 24, 2010
... through the parameter signatures. We have shown in our previous work that output sensitivities can be better delineated when transformed into the time-scale domain by continuous wavelet transforms ( 37 ). As a result of this enhanced delineation, regions in the time-scale plane can be isolated wherein...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2008, 130(4): 041601.
Published Online: April 29, 2008
... operation was estimated. Wavelet transforms were used to condition the signal, and the denoised signals were subsequently forecast. The case study presented here applies the two methodologies to the operational data from a simple cycle 85 MW General Electric gas turbine. Those operating data were used...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2007, 129(2): 549–555.
Published Online: July 14, 2006
...Iain S. Cade; Patrick S. Keogh; M. Necip Sahinkaya A novel method for transient rotor/active magnetic bearing control using sampled wavelet coefficients is proposed. Control currents are formulated in the wavelet transform domain, prior to signal reconstruction. The wavelet based controller...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2005, 127(2): 314–322.
Published Online: April 15, 2005
... signals to be analyzed in time and frequency domain simultaneously. Therefore, the driving impetus behind wavelet analysis is their property of being localized in time as well as in frequency (scale). This provides the time-frequency representative of the signal. Continuous wavelet transform (CWT...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 81–89.
Published Online: December 27, 2002
... 27 12 2002 data analysis wavelet transforms transient analysis feature extraction vibrations signal processing fast Fourier transforms Rotating machinery provides the backbone of numerous industries, from the turbine-compressor trains used in the petrochemical industry...