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 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 …

Quantitative detection of multiple damages in wind turbine blade based on the operating deflection shape and natural frequencies

H Jiang, Y Jiang, J Xiang - Ocean Engineering, 2023 - Elsevier
Structural damage detection based on vibration signals has gained significant attention from
researchers due to its ease of implementation. However, while the detection of damage …

Identification method of crystal orientation for single-crystal turbine blade

H She, Y Jiang, Q Shen, C Zang, W Geng - Mechanical Systems and Signal …, 2024 - Elsevier
An effective method is developed in this study to identify the crystal orientation of Nickel-
based single crystal turbine blade based on the influence law of crystal orientation on modal …

Damage imaging in plates by evaluating local entropy in guided wavefield data

E Basiri, RPR Hasanzadeh, M Kersemans - Measurement, 2024 - Elsevier
This paper presents a new algorithm called broadband entropy-based two-stage damage
imaging (BE2DI) for the detection and imaging of defects in multi-layer plates. The method …

A novel mirror-assisted method for full-field vibration measurement of a hollow cylinder using a three-dimensional continuously scanning laser Doppler vibrometer …

K Yuan, WD Zhu - Mechanical Systems and Signal Processing, 2024 - Elsevier
A novel general-purpose three-dimensional (3D) continuously scanning laser Doppler
vibrometer (CSLDV) system was recently developed by the authors to measure 3D vibration …

[HTML][HTML] Insights on the Impacts of Accelerometer Location on the Dynamics and Characteristics of Complex Structures

A Takeshita, J Madrid, E Granillo, A Abdelkefi - Sensors, 2023 - mdpi.com
There exists a high level of difficulty in understanding the physical responses of complex
dynamical systems. To this end, researchers have previously used different measurement …

Full-field Modal Analysis of a Tensegrity Column Using a Three-dimensional Scanning Laser Doppler Vibrometer with a Mirror

K Yuan, S Yuan, W Zhu - … of Vibration and …, 2024 - asmedigitalcollection.asme.org
Tensegrity structures become important components of various engineering structures due
to their high stiffness, light weight, and deployable capability. Existing studies on their …

Operational Deflection Shape Measurements on Bladed Disks with Continuous Scanning Laser Doppler Vibrometry

C Liu, T Xu, T Chen, S Su, J Huang, Y Li - Sensors, 2024 - mdpi.com
The continuous scanning laser Doppler vibrometry (CSLDV) technique is usually used to
evaluate the vibration operational deflection shapes (ODSs) of structures with continuous …

Vibration amplitude mapping by stroboscopic structured light projection

ILF Ribeiro, GL Carvalho, LFG Dib, EA Barbosa… - Optics …, 2023 - Elsevier
In this work a method to evaluate the distribution of vibration amplitudes of objects was
demonstrated, combining for the first time oblique structured light projection, stroboscopic …