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Keywords: electric machines
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. June 2010, 132(3): 031005.
Published Online: April 22, 2010
... distributions and thus identify the type of looseness fault at machinery. electric machines fault diagnosis Hilbert transforms machine bearings rotors vibrations HHT EEMD looseness fault diagnosis vibration analysis marginal Hilbert spectrum Because of long-term running or improper...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2009, 131(1): 011002.
Published Online: December 29, 2008
... possible to improve fault diagnosis accuracy to reduce downtime of machineries. fault diagnosis genetic algorithm integration diagnosis rotating machinery artificial immune systems condition monitoring electric machines fault diagnosis genetic algorithms neural nets reliability...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. April 2007, 129(2): 169–178.
Published Online: September 19, 2006
... vibrations electric machines time-frequency analysis fast Fourier transforms wavelet transforms splines (mathematics) Signals consisting of stationary components plus transients are encountered very often in practice. A typical example is the vibration signals generated in rotating machinery...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. February 2006, 128(1): 106–114.
Published Online: November 11, 2005
... 2005 vibration isolation vibration control elasticity rotors electric machines vibration absorber natural frequency rotor eccentric rotor shaft bending mechanical looseness nonprismatic beam impedance The dynamic vibration absorber is an effective device to reduce...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. April 2006, 128(2): 203–209.
Published Online: September 9, 2005
... . 12 12 2004 09 09 2005 life testing ball bearings rotation electric machines damping flywheels mechanical contact Although active magnetic bearings (AMBs) provide such advantages over conventional mechanical bearings as high-speed capability due...
Journal Articles
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Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. December 2005, 127(6): 594–603.
Published Online: December 1, 2004
... an unbalance excitation as if the rotor were rotating in the negative (clockwise) direction. 24 02 2003 01 12 2004 rotors stators vibrations structural acoustics mechanical contact nonlinear systems electric machines wear Rotor-to-stator rubbing can degrade the performance...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. August 2005, 127(4): 351–361.
Published Online: November 30, 2004
... is down to the same level. However, the GIFFT provides a more precise estimation of second harmonic component in comparison with the IFFT. 05 02 2004 30 11 2004 machine testing maintenance engineering vibrations electric machines fast Fourier transforms harmonic analysis...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. April 2005, 127(2): 157–164.
Published Online: August 5, 2004
... turbomachinery vibrations damping laminar flow electric machines rotors mechanical stability 2005 American Society of Mechanical Engineers ...
Journal Articles