Condition-based maintenance methods for marine renewable energy

A Mérigaud, JV Ringwood - Renewable and Sustainable Energy Reviews, 2016 - Elsevier
With an increasing requirement to lower the costs of delivered renewable energy, the
maintenance costs for marine renewable energy (MRE), due to accessibility issues, are an …

[HTML][HTML] Small-scale wind turbine control in high-speed wind conditions: A review

M Barzegar-Kalashani, M Seyedmahmoudian… - Sustainable Energy …, 2023 - Elsevier
The operation of small-scale wind turbines in high-speed wind conditions continues to pose
a number of problems to this industry, turbine owners, and communities, over which this …

Gaussian process models for mitigation of operational variability in the structural health monitoring of wind turbines

LD Avendano-Valencia, EN Chatzi… - Mechanical Systems and …, 2020 - Elsevier
The analysis presented in this work relates to the quantification of the effect of a selected set
of measured Environmental and Operational Parameters (EOPs) on the dynamic properties …

Vibration‐based monitoring of a small‐scale wind turbine blade under varying climate conditions. Part I: An experimental benchmark

Y Ou, KE Tatsis, VK Dertimanis… - … Control and Health …, 2021 - Wiley Online Library
Structural health monitoring (SHM) has been increasingly exploited in recent years as a
valuable tool for assessing performance throughout the life cycle of structural systems, as …

Effects of weights on vibration suppression via a nonlinear energy sink under vertical stochastic excitations

X Li, H Ding, LQ Chen - Mechanical Systems and Signal Processing, 2022 - Elsevier
A primary structure attached by a nonlinear energy sink (NES) moving vertically under a
Gaussian white noise excitation is investigated. This paper demonstrates the stochastic …

A data-driven diagnostic framework for wind turbine structures: A holistic approach

S Bogoevska, M Spiridonakos, E Chatzi… - Sensors, 2017 - mdpi.com
The complex dynamics of operational wind turbine (WT) structures challenges the
applicability of existing structural health monitoring (SHM) strategies for condition …

Damage/fault diagnosis in an operating wind turbine under uncertainty via a vibration response Gaussian mixture random coefficient model based framework

LD Avendaño-Valencia, SD Fassois - Mechanical Systems and Signal …, 2017 - Elsevier
The study focuses on vibration response based health monitoring for an operating wind
turbine, which features time-dependent dynamics under environmental and operational …

A carrier wave extraction method for cavitation characterization based on time synchronous average and time-frequency analysis

K Wu, Y Xing, N Chu, P Wu, L Cao, D Wu - Journal of Sound and Vibration, 2020 - Elsevier
Cavitation detection is important in ensuring the reliability of fluid machinery, such as pumps.
Vibration signal analysis is widely accepted as an effective tool in condition monitoring and …

Damage identification under ambient vibration and unpredictable signal nature

BS Razavi, MR Mahmoudkelayeh… - Journal of Civil Structural …, 2021 - Springer
Ambient vibration is an unknown excitation source that may produce stationary or non-
stationary signals. Under such circumstances, traditional feature extraction techniques may …

Implementation of internal model based control and individual pitch control to reduce fatigue loads and tower vibrations in wind turbines

E Mohammadi, R Fadaeinedjad… - Journal of sound and …, 2018 - Elsevier
Vibration control and fatigue loads reduction are important issues in large-scale wind
turbines. Identifying the vibration frequencies and tuning dampers and controllers at these …