Experimental and numerical study of high-order complex curvature mode shape and mode coupling on a three-bladed wind turbine assembly

Y Chen, ASE Mendoza, DT Griffith - Mechanical Systems and Signal …, 2021 - Elsevier
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 …

Orthogonal on-rotor sensing vibrations for condition monitoring of rotating machines

Y Xu, X Tang, G Feng, D Wang… - Journal of …, 2022 - research.aston.ac.uk
Thanks to the fast development of micro-electro-mechanical systems (MEMS) technologies,
MEMS accelerometers show great potentialities for machine condition monitoring. To …

Identification of modal parameters of a model turbine blade with a curved surface under random excitation with a three-dimensional continuously scanning laser …

K Yuan, WD Zhu - Measurement, 2023 - Elsevier
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 …

A novel general-purpose three-dimensional continuously scanning laser Doppler vibrometer system for full-field vibration measurement of a structure with a curved …

K Yuan, WD Zhu - Journal of Sound and Vibration, 2022 - Elsevier
Abstract Three-dimensional (3D) full-field vibration measurement is significant to structures,
especially those with curved surfaces. A triaxial accelerometer and a commercial non …

Comparison of three full-field optical measurement techniques applied to vibration analysis

P O'donoughue, F Gautier, E Meteyer… - Scientific Reports, 2023 - nature.com
Digital image correlation, deflectometry and digital holography are some of the full-field
optical measurement techniques that have matured in recent years. Their use in …

[HTML][HTML] Stiffness and damping behavior of 3D printed specimens

F Medel, J Abad, V Esteban - Polymer Testing, 2022 - Elsevier
In this work, we analyzed a variety of metrics derived from Laser Doppler Vibrometry (LDV)
characterization of 3D printed rectangular prisms. The metrics of interest were natural …

[HTML][HTML] Speckle noise reduction for structural vibration measurement with laser Doppler vibrometer on moving platform

Y Zeng, A Nunez, Z Li - Mechanical Systems and Signal Processing, 2022 - Elsevier
Speckle noise is a major problem for structural vibration measurements with Laser Doppler
vibrometer on moving platform (LDVom) due to its highly random, frequent, and broadband …

A novel demodulation method with a reference signal for operational modal analysis and baseline-free damage detection of a beam under random excitation

LF Lyu, K Yuan, WD Zhu - Journal of Sound and Vibration, 2024 - Elsevier
A novel demodulation method with a reference signal is developed for operational modal
analysis and damage detection of a beam structure under random excitation. The novel …

An impulsive noise filter for rail vibration measurements using a laser Doppler vibrometer on a moving platform

K Kaynardag, C Yang, S Salamone - Mechanical Systems and Signal …, 2025 - Elsevier
This paper proposes a new impulsive noise (ie, IN) filter for non-contact rail vibration
measurements performed by a laser Doppler vibrometer (ie, LDV) placed on a moving rail …

Railway sleeper vibration measurement by train‐borne laser Doppler vibrometer and its speed‐dependent characteristics

Y Zeng, A Nunez, Z Li - Computer‐Aided Civil and …, 2024 - Wiley Online Library
A train‐borne laser Doppler vibrometer (LDV) directly measures the dynamic response of
railway track components from a moving train, which has the potential to complement …