Mutual information based anomaly detection of monitoring data with attention mechanism and residual learning
Due to the damage of sensors or transmission equipment, abnormal monitoring data
inevitably exists in the measured raw data, and it significantly impacts the condition …
inevitably exists in the measured raw data, and it significantly impacts the condition …
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 …
A polynomial based dynamic expansion and data consistency assessment and modification for cylindrical shell structures
A designated set of shape functions are created for cylindrical shell structures. The 1D
Chebyshev polynomial is applied along the axial direction and the 1D harmonic basis along …
Chebyshev polynomial is applied along the axial direction and the 1D harmonic basis along …
A method to distinguish harmonic frequencies and remove the harmonic effect in operational modal analysis of rotating structures
Operational modal analysis (OMA) is used to identify the modal parameters of a structure
under operational conditions, which reflects the real boundary conditions and state …
under operational conditions, which reflects the real boundary conditions and state …
Pixel-level fatigue crack segmentation in large-scale images of steel structures using an encoder–decoder network
Fatigue cracks are critical types of damage in steel structures due to repeated loads and
distortion effects. Fatigue crack growth may lead to further structural failure and even induce …
distortion effects. Fatigue crack growth may lead to further structural failure and even induce …
Experimental and numerical full-field displacement and strain characterization of wind turbine blade using a 3D Scanning Laser Doppler Vibrometer
Y Chen, DT Griffith - Optics & Laser Technology, 2023 - Elsevier
Full-field dynamic measurement is desirable and useful for many purposes including model
validation, or experimental characterization of test articles for which a finite element model is …
validation, or experimental characterization of test articles for which a finite element model is …
Damping ratio identification using attenuation responses extracted by time series semantic segmentation
Damping ratio is an essential dynamic characteristic of bridge structures, and its properties
have still not been well understood due to the difficulties in accurate calculation with …
have still not been well understood due to the difficulties in accurate calculation with …
Intelligent fault diagnosis of wind turbine gearboxes based on refined generalized multi-scale state joint entropy and robust spectral feature selection
W Dong, S Zhang, M Hu, L Zhang, H Liu - Nonlinear Dynamics, 2022 - Springer
The fault diagnosis of gearboxes and bearings in wind turbines is crucial to extend their
service life and reduce maintenance costs. This paper proposes a novel fault diagnosis …
service life and reduce maintenance costs. This paper proposes a novel fault diagnosis …
Joint parameter-input estimation for virtual sensing on an offshore platform using output-only measurements
This paper presents a recursive Bayesian inference framework for joint parameter-input
identification, and virtual sensing for strain time history prediction of an offshore platform …
identification, and virtual sensing for strain time history prediction of an offshore platform …
Experimental dynamic characterization of both surfaces of structures using 3D scanning laser Doppler vibrometer
Usually, only one surface or one side of 3D structures is measured in Scanning Laser
Doppler Vibrometer (SLDV) tests due to test setup and instrumentation limitations. However …
Doppler Vibrometer (SLDV) tests due to test setup and instrumentation limitations. However …