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Keywords: acoustic signal processing
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Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2012, 134(2): 021014.
Published Online: January 19, 2012
... )]. Independent component analysis (ICA) phase space reconstruction (PSR) vibration phase space feature machine health diagnosis acoustic signal processing automotive components feature extraction gears independent component analysis phase space methods signal classification vibrations 06...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2012, 134(1): 011011.
Published Online: December 28, 2011
... 28 12 2011 acoustic signal processing autoregressive processes cracks deformation gears vibrations A gearbox is one of the most important mechanisms used for motion and power transmission in industrial machinery. Gear condition monitoring is an important aspect of engineering...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. December 2011, 133(6): 064501.
Published Online: October 4, 2011
... and Vibration , Cairns , Australia , July, 2007. 04 12 2006 04 02 2011 04 10 2011 04 10 2011 acoustic noise acoustic signal processing propellers ships structural acoustics A ship’s radiated acoustic signature is known after an acoustic range measurement. However...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. October 2011, 133(5): 051007.
Published Online: September 20, 2011
... than the rms value, a traditional vibratory indicator. 06 05 2010 26 03 2011 31 08 2011 20 09 2011 acoustic signal processing rolling bearings vibrations Rolling bearing degradation can be very detrimental in some situations. Its progressive character raises...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2010, 132(2): 021008.
Published Online: March 17, 2010
...: The first one at 100 deg is clearer than the second event at 280 deg. acoustic signal processing assembling diesel engines dynamic testing fault diagnosis vibrations The purpose of condition monitoring is to use information extracted from the vibroacoustic signature of a machine in order...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. December 2008, 130(6): 061009.
Published Online: October 22, 2008
... effective than its original scalogram for the characteristic analysis of the rubbing AE. 07 10 2007 19 05 2008 22 10 2008 abrasion acoustic emission acoustic signal processing elastic waves rotors structural acoustics time-frequency analysis vibrations modal acoustic...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. August 2007, 129(4): 441–447.
Published Online: March 23, 2007
... conditions are given to confirm the validity of the approach. 18 04 2006 23 03 2007 condition monitoring machine testing fault diagnosis acoustic measurement time-frequency analysis acoustic signal processing signal analysis time-frequency distribution synchronous average...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. October 2007, 129(5): 567–576.
Published Online: February 26, 2007
... in the band. These results compare quite well with those predicted by the sensitivity functions shown in Fig. 15b . 28 09 2005 26 02 2007 feedback active noise control acoustic signal processing audio signal processing headphones sound reproduction closed loop systems transfer...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. December 2005, 127(6): 542–546.
Published Online: February 23, 2005
.... 1053-5888 10.1109/79.91217 , 8 ( 2 ), pp. 14 – 36 . 20 03 2004 23 02 2005 acoustic holography acoustic signal processing acoustic field acoustic intensity source separation The sketch map of sound field reconstruction from the hologram plane S h...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. October 2004, 126(4): 553–560.
Published Online: December 21, 2004
... loudspeakers genetic algorithms acoustic radiators array signal processing acoustic signal processing This paper focuses on the development of a panel speaker array with omnidirectional radiation pattern. This array serves as a projection screen of an audio and video system that integrates...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. January 2004, 126(1): 9–16.
Published Online: February 26, 2004
... wavelet transforms acoustic signal processing machine bearings maximum likelihood estimation signal processing Gaussian noise vibrations Early fault detection in machines can save millions of dollars on emergency maintenance and production loss costs. Gearboxes and roller bearings...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2003, 125(2): 199–204.
Published Online: April 1, 2003
... where ω 0 and h 0 denotes the instantaneous undamped natural frequency and the instantaneous decay coefficient, respectively. They are all variables varying slowly with time. time-frequency analysis wavelet transforms nonlinear dynamical systems acoustic signal...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2003, 125(2): 170–177.
Published Online: April 1, 2003
... time-frequency analysis wavelet transforms nonlinear dynamical systems acoustic signal processing structural acoustics The identification of nonlinear systems has received considerable attention in recent years because most real structures exhibit some degree of nonlinearity. Various...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. January 2003, 125(1): 18–23.
Published Online: January 6, 2003
... signal processing controllers recursive filters Active control for noise in ducts has provoked much interest in the area of active noise control (ANC) over the past decades 1 2 3 4 . In ANC applications to date, feedforward control has been widely used whenever a nonacoustical reference can...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. October 2002, 124(4): 469–475.
Published Online: September 20, 2002
... . Manuscript received May 2000; revised March 2002. Associate Editor: J. H. Ginsberg. 01 May 2000 01 March 2002 20 09 2002 underwater sound cavitation nonlinear acoustics vibrations acoustic signal processing random processes acoustic pulses The cavitation process...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. July 2002, 124(3): 414–419.
Published Online: June 12, 2002
... state feedback acoustic resonance optimisation iterative methods least squares approximations Fourier transforms acoustic signal processing During the previous decade there has been a substantial and consistent focus on the problem of active noise cancellation (ANC) in acoustic enclosures...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. January 2002, 124(1): 2–9.
Published Online: July 1, 2001
.... vibrations active noise control acoustic signal processing Sound radiation from a vibrating structure is an important problem encountered in numerous engineering applications such as sound transmission in aircraft fuselage panels. It is well known that traditional passive noise techniques...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2001, 123(2): 222–229.
Published Online: January 1, 2001
..., and thus catastrophic accidents can be avoided. cepstral analysis condition monitoring acoustic signal processing vibrations electric machines 01 July 2000 01 January 2001 Contributed by the Technical Committee on Vibration and Sound for publication in the JOURNAL...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2001, 123(2): 129–136.
Published Online: October 1, 2000
... . Manuscript received July 1999; revised Oct. 2000. Associate Editor: R. L. Clark. 01 July 1999 01 Oct 2000 feedforward acoustic wave absorption active noise control acoustic signal processing FIR filters IIR filters Active noise control (ANC) techniques have attracted much...