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Keywords: measurement by laser beam
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Journal Articles

Two Algorithms for Mass Normalizing Mode Shapes From Impact Excited Continuous-Scan Laser Doppler Vibrometry

Shifei Yang, Michael W. Sracic, Matthew S. Allen
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. April 2012, 134(2): 021004.
https://doi.org/10.1115/1.4005020
Published Online: January 13, 2012
... (structures) Doppler measurement impact (mechanical) least squares approximations measurement by laser beam motion measurement vibration measurement vibrations mass normalized mode shape continuous-scan laser Doppler vibrometry impact excitation real mode and state space mode...
View Article titled, Two Algorithms for Mass Normalizing Mode Shapes From Impact Excited Continuous-Scan Laser Doppler Vibrometry
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Topics: Accelerometers, Algorithms, Hammers, Lasers, Mode shapes, Excitation, Shapes
Journal Articles

Ground-Based Vibration Response of a Spinning, Cyclic, Symmetric Rotor With Gyroscopic and Centrifugal Softening Effects

Hyunchul Kim, I. Y. Shen
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. April 2009, 131(2): 021007.
https://doi.org/10.1115/1.3025847
Published Online: February 18, 2009
... primary and secondary frequency branches from the waterfall plots agree well with those predicted analytically. 22 10 2007 29 06 2008 18 02 2009 discs (structures) Doppler measurement Fourier analysis gyroscopes machine bearings measurement by laser beam rotors softening...
View Article titled, Ground-Based Vibration Response of a Spinning, Cyclic, Symmetric Rotor With Gyroscopic and Centrifugal Softening Effects
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Topics: Mode shapes, Rotors, Spin (Aerodynamics), Vibration, Disks, Spinning (Textile)
Journal Articles

Rotor Vibration Measurements Using Laser Doppler Vibrometry: Essential Post-Processing for Resolution of Radial and Pitch/Yaw Vibrations

Ben J. Halkon, Steve J. Rothberg
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. February 2006, 128(1): 8–20.
https://doi.org/10.1115/1.2149389
Published Online: July 7, 2005
... well, even in the presence of noise and other typical measurement errors, and was implemented successfully in an engine vibration study. 21 10 2004 07 07 2005 vibrations structural acoustics rotors vibration measurement measurement by laser beam laser Doppler vibrometry...
View Article titled, Rotor Vibration Measurements Using Laser Doppler Vibrometry: Essential Post-Processing for Resolution of Radial and Pitch/Yaw Vibrations
Open the PDF for Rotor Vibration Measurements Using Laser Doppler Vibrometry: Essential Post-Processing for Resolution of Radial and Pitch/Yaw Vibrations in another window
Topics: Algorithms, Resolution (Optics), Vibration, Vibration measurement, Laser Doppler vibrometers, Yaw, Lasers, Laser beams
Journal Articles

On the Modal Testing of Microstructures: Its Theoretical Approach and Experimental Setup

Yuan-Fang Chou, Professor, Li-Chung Wang, Graduate Student
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. January 2001, 123(1): 104–109.
https://doi.org/10.1115/1.1320814
Published Online: August 1, 2000
... OF VIBRATION AND ACOUSTICS . Manuscript received Oct. 1999; revised Aug. 2000. Associate Editor: M. I. Friswell. 01 Oct 1999 01 Aug 2000 micromechanical devices vibration measurement vibrations dynamic testing measurement by laser beam Modal parameters govern the dynamic...
View Article titled, On the Modal Testing of Microstructures: Its Theoretical Approach and Experimental Setup
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Topics: Excitation, Testing, Frequency response, Displacement, Electric discharge, Laser Doppler vibrometers