1-16 of 16
Lasers
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

Operational Modal Analysis of a Rotating Structure Subject to Random Excitation Using a Tracking Continuously Scanning Laser Doppler Vibrometer via an Improved Demodulation Method

L. F. Lyu, W. D. Zhu
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2022, 144(1): 011006.
Paper No: VIB-21-1074
https://doi.org/10.1115/1.4051178
Published Online: June 10, 2021
View Article titled, Operational Modal Analysis of a Rotating Structure Subject to Random Excitation Using a Tracking Continuously Scanning Laser Doppler Vibrometer via an Improved Demodulation Method
Open the PDF for Operational Modal Analysis of a Rotating Structure Subject to Random Excitation Using a Tracking Continuously Scanning Laser Doppler Vibrometer via an Improved Demodulation Method in another window
Topics: Blades, Laser Doppler vibrometers, Mirrors, Modal analysis, Random excitation, Rotating beams, Signals, Rotation, Lasers, Vibration
Journal Articles

Frequency Control of Beams and Cylindrical Shells With Light-Activated Shape Memory Polymers

Huiyu Li, Hua Li, Hornsen Tzou
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. February 2015, 137(1): 011006.
Paper No: VIB-14-1116
https://doi.org/10.1115/1.4028229
Published Online: February 1, 2015
View Article titled, Frequency Control of Beams and Cylindrical Shells With Light-Activated Shape Memory Polymers
Open the PDF for Frequency Control of Beams and Cylindrical Shells With Light-Activated Shape Memory Polymers in another window
Topics: Pipes, Lasers, Cantilever beams, Stiffness
Journal Articles

Harmonic Transfer Function to Measure Translational and Rotational Velocities With Continuous-Scan Laser Doppler Vibrometry

Shifei Yang, Matthew S. Allen
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2014, 136(2): 021025.
Paper No: VIB-13-1309
https://doi.org/10.1115/1.4026350
Published Online: February 5, 2014
View Article titled, Harmonic Transfer Function to Measure Translational and Rotational Velocities With Continuous-Scan Laser Doppler Vibrometry
Open the PDF for Harmonic Transfer Function to Measure Translational and Rotational Velocities With Continuous-Scan Laser Doppler Vibrometry in another window
Topics: Lasers, Mode shapes, Noise (Sound), Signals, Transfer functions
Journal Articles

High-Precision Positioning of Laser Beams for Vibration Measurements

Olguta Marinescu, Bogdan I. Epureanu
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. February 2014, 136(1): 011009.
Paper No: VIB-13-1109
https://doi.org/10.1115/1.4025444
Published Online: October 23, 2013
View Article titled, High-Precision Positioning of Laser Beams for Vibration Measurements
Open the PDF for High-Precision Positioning of Laser Beams for Vibration Measurements in another window
Topics: Algorithms, Laser beams, Lasers
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
View Article titled, Two Algorithms for Mass Normalizing Mode Shapes From Impact Excited Continuous-Scan Laser Doppler Vibrometry
Open the PDF for Two Algorithms for Mass Normalizing Mode Shapes From Impact Excited Continuous-Scan Laser Doppler Vibrometry in another window
Topics: Accelerometers, Algorithms, Hammers, Lasers, Mode shapes, Excitation, Shapes
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
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

A New Class of Distributed Sensors

A. Baz, S. Poh
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. October 1997, 119(4): 582–589.
https://doi.org/10.1115/1.2889765
Published Online: October 1, 1997
View Article titled, A New Class of Distributed Sensors
Open the PDF for A New Class of Distributed Sensors in another window
Topics: Sensors, Deflection, Wire, Composite building materials, Composite materials, Lasers, Plates (structures), Signals
Journal Articles

Redesign of Ultrasonic Block Horns for Improved Vibration Performance

M. Lucas, A. C. Smith
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. July 1997, 119(3): 410–414.
https://doi.org/10.1115/1.2889739
Published Online: July 1, 1997
View Article titled, Redesign of Ultrasonic Block Horns for Improved Vibration Performance
Open the PDF for Redesign of Ultrasonic Block Horns for Improved Vibration Performance in another window
Topics: Vibration, Electronic speckle pattern interferometry, Design, Finite element analysis, Finite element model, Laser Doppler anemometry, Lasers, Modal analysis, Reliability, Vibration measurement
Journal Articles

Beam Element Structural Dynamics Modification Using Experimental Modal Rotational Data

John A. Cafeo, Martin W. Trethewey, H. Joseph Sommer, III
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. July 1995, 117(3A): 265–271.
https://doi.org/10.1115/1.2874446
Published Online: July 1, 1995
View Article titled, Beam Element Structural Dynamics Modification Using Experimental Modal Rotational Data
Open the PDF for Beam Element Structural Dynamics Modification Using Experimental Modal Rotational Data in another window
Topics: Structural dynamics, Databases, Cantilever beams, Degrees of freedom, Finite element model, Cantilevers, Hardware, Lasers, Modal analysis
Journal Articles

Vibration Measurements on Rotating Machinery Using Laser Doppler Velocimetry

S. J. Rothberg, N. A. Halliwell
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. July 1994, 116(3): 326–331.
https://doi.org/10.1115/1.2930432
Published Online: July 1, 1994
View Article titled, Vibration Measurements on Rotating Machinery Using Laser Doppler Velocimetry
Open the PDF for Vibration Measurements on Rotating Machinery Using Laser Doppler Velocimetry in another window
Topics: Laser Doppler anemometry, Machinery, Vibration measurement, Vibration, Ambiguity, Laser Doppler vibrometers, Lasers, Rotation, Rotor vibration
Journal Articles

Two-Channel Laser Vibrometer Techniques for Vibrational Intensity Measurements: Part 2—Longitudinal Intensity

T. E. McDevitt, G. H. Koopmann, C. B. Burroughs
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. January 1994, 116(1): 100–104.
https://doi.org/10.1115/1.2930384
Published Online: January 1, 1994
View Article titled, Two-Channel Laser Vibrometer Techniques for Vibrational Intensity Measurements: Part 2—Longitudinal Intensity
Open the PDF for Two-Channel Laser Vibrometer Techniques for Vibrational Intensity Measurements: Part 2—Longitudinal Intensity in another window
Topics: Laser Doppler vibrometers, Flow (Dynamics), Lasers
Journal Articles

Two-Channel Laser Vibrometer Techniques for Vibrational Intensity Measurements: Part 1—Flexural Intensity

T. E. McDevitt, G. H. Koopmann, C. B. Burroughs
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. October 1993, 115(4): 436–440.
https://doi.org/10.1115/1.2930369
Published Online: October 1, 1993
View Article titled, Two-Channel Laser Vibrometer Techniques for Vibrational Intensity Measurements: Part 1—Flexural Intensity
Open the PDF for Two-Channel Laser Vibrometer Techniques for Vibrational Intensity Measurements: Part 1—Flexural Intensity in another window
Topics: Laser Doppler vibrometers, Laser beams, Lasers, Errors, Excitation, Flow (Dynamics), Resonance, Rods, Waves
Journal Articles

Spatial Domain Modal Analysis of Lightly-Damped Structures Using Laser Velocimeters

J. R. F. Arruda
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. July 1993, 115(3): 225–231.
https://doi.org/10.1115/1.2930337
Published Online: July 1, 1993
View Article titled, Spatial Domain Modal Analysis of Lightly-Damped Structures Using Laser Velocimeters
Open the PDF for Spatial Domain Modal Analysis of Lightly-Damped Structures Using Laser Velocimeters in another window
Topics: Lasers, Modal analysis, Velocimeters, Damping, Density, Filtration, Fourier series, Mode shapes, Parameter estimation
Journal Articles

Noise Reduction of Pressure Type Fans for Automobile Air Conditioners

S. Akaike, K. Kikuyama
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. April 1993, 115(2): 216–220.
https://doi.org/10.1115/1.2930333
Published Online: April 1, 1993
View Article titled, Noise Reduction of Pressure Type Fans for Automobile Air Conditioners
Open the PDF for Noise Reduction of Pressure Type Fans for Automobile Air Conditioners in another window
Topics: Air conditioners, Automobiles, Fans, Noise control, Pressure, Noise (Sound), Cooling systems, Computer simulation, Condensers (steam plant), Engines
Journal Articles

Tracking Dynamics of In-line Suspensions in High-Performance Rigid Disk Drives with Rotary Actuators

S. S. Chiou, D. K. Miu
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. January 1992, 114(1): 67–73.
https://doi.org/10.1115/1.2930236
Published Online: January 1, 1992
View Article titled, Tracking Dynamics of In-line Suspensions in High-Performance Rigid Disk Drives with Rotary Actuators
Open the PDF for Tracking Dynamics of In-line Suspensions in High-Performance Rigid Disk Drives with Rotary Actuators in another window
Topics: Actuators, Disks, Dynamics (Mechanics), Boundary-value problems, Deflection, Errors, Finite element analysis, Geometry, Lasers, Shapes
Journal Articles

Active Control for Vibration Suppression in a Flexible Beam Using a Modal Domain Optical Fiber Sensor

D. E. Cox, D. K. Lindner
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. July 1991, 113(3): 369–382.
https://doi.org/10.1115/1.2930194
Published Online: July 1, 1991
View Article titled, Active Control for Vibration Suppression in a Flexible Beam Using a Modal Domain Optical Fiber Sensor
Open the PDF for Active Control for Vibration Suppression in a Flexible Beam Using a Modal Domain Optical Fiber Sensor in another window
Topics: Fiber optic sensors, Vibration suppression, Sensors, Fibers, Flexible structures, Control systems, Optical fiber, Damping, Electronics, Gages