An international review of laser Doppler vibrometry: Making light work of vibration measurement
In 1964, just a few years after the invention of the laser, a fluid velocity measurement based
on the frequency shift of scattered light was made and the laser Doppler technique was …
on the frequency shift of scattered light was made and the laser Doppler technique was …
Miniaturization of laser doppler vibrometers—a review
Laser Doppler vibrometry (LDV) is a non-contact vibration measurement technique based
on the Doppler effect of the reflected laser beam. Thanks to its feature of high resolution and …
on the Doppler effect of the reflected laser beam. Thanks to its feature of high resolution and …
Experimental and numerical study of high-order complex curvature mode shape and mode coupling on a three-bladed wind turbine assembly
Experimental and numerical modal analysis on wind turbine blades has been previously
studied, considering mainly low order bending modes. However, high-order modes are also …
studied, considering mainly low order bending modes. However, high-order modes are also …
High-speed 3D digital image correlation vibration measurement: Recent advancements and noted limitations
TJ Beberniss, DA Ehrhardt - Mechanical Systems and Signal Processing, 2017 - Elsevier
A review of the extensive studies on the feasibility and practicality of utilizing high-speed 3
dimensional digital image correlation (3D-DIC) for various random vibration measurement …
dimensional digital image correlation (3D-DIC) for various random vibration measurement …
[HTML][HTML] Continuous Scanning Laser Vibrometry: A raison d'être and applications to vibration measurements
Abstract Continuous Scanning Laser Doppler Vibrometry (CSLDV) methods first appeared
in the literature in the early 1990s and over the past three decades they have undergone an …
in the literature in the early 1990s and over the past three decades they have undergone an …
Identification of modal parameters of a model turbine blade with a curved surface under random excitation with a three-dimensional continuously scanning laser …
Modal parameters of a model turbine blade with a curved surface excited by white noise are
identified by a novel general-purpose 3D continuously scanning laser Doppler vibrometer …
identified by a novel general-purpose 3D continuously scanning laser Doppler vibrometer …
Full-field linear and nonlinear measurements using continuous-scan laser doppler vibrometry and high speed three-dimensional digital image correlation
Spatially detailed dynamic measurements of thin, lightweight structures can be difficult to
obtain due to the structure׳ s low mass and complicated deformations under certain loading …
obtain due to the structure׳ s low mass and complicated deformations under certain loading …
Operational modal analysis of a rotating structure under ambient excitation using a tracking continuously scanning laser Doppler vibrometer system
LF Lyu, WD Zhu - Mechanical Systems and Signal Processing, 2021 - Elsevier
A continuously scanning laser Doppler vibrometer (CSLDV) system is capable of rapidly
obtaining spatially dense vibration measurement by continuously sweeping its laser spot …
obtaining spatially dense vibration measurement by continuously sweeping its laser spot …
Estimation of modal parameters of a beam under random excitation using a novel 3D continuously scanning laser Doppler vibrometer system and an extended …
A novel three-dimensional (3D) continuously scanning laser Doppler vibrometer (CSLDV)
system that contains three CSLDVs and an external controller is developed to measure 3D …
system that contains three CSLDVs and an external controller is developed to measure 3D …
Measurement of nonlinear normal modes using multi-harmonic stepped force appropriation and free decay
DA Ehrhardt, MS Allen - Mechanical Systems and Signal Processing, 2016 - Elsevier
Abstract Nonlinear Normal Modes (NNMs) offer tremendous insight into the dynamic
behavior of a nonlinear system, extending many concepts that are familiar in linear modal …
behavior of a nonlinear system, extending many concepts that are familiar in linear modal …