Vibration improvement of offshore wind turbines under multiple hazards

S Elias - Structures, 2024 - Elsevier
The slenderness ratio, particularly pronounced in offshore wind turbines (OWTs) with values
exceeding five, renders them highly susceptible to dynamic sensitivity when exposed to …

Multi-objective optimal design of a fuzzy adaptive robust fractional-order PID controller for a nonlinear unmanned flying system

A Ansarian, MJ Mahmoodabadi - Aerospace Science and Technology, 2023 - Elsevier
In this study, a fuzzy adaptive robust fractional-order proportional-integral-derivative
(FARFOPID) controller is introduced for stabilization of a nonlinear unmanned flying system …

Wind turbines dynamics loads alleviation: Overview of the active controls and the corresponding strategies

A El Yaakoubi, A Bouzem, R El Alami, N Chaibi… - Ocean …, 2023 - Elsevier
Structural loads vibration is a critical problem in WTs (wind turbines) due to many reasons
such as the complicated dynamics, structural coupling and diversity of the driving sources …

[HTML][HTML] Analysis and multi-objective optimisation of wind turbine torque control strategies

L Brandetti, SP Mulders, Y Liu, S Watson… - Wind Energy …, 2023 - wes.copernicus.org
The combined wind speed estimator and tip-speed ratio (WSE–TSR) tracking wind turbine
control scheme has seen recent and increased traction from the wind industry. The modern …

Vibration control of the straight bladed vertical axis wind turbine structure using the leading-edge protuberanced blades

EK Vel, SN Pillai - Engineering Structures, 2024 - Elsevier
This study investigates the impact of structural responses resulting from alterations in
aerodynamic characteristics caused by incorporating leading-edge protuberance (LEP) …

Adaptive Active Generator Torque Controller Design Using Multi-Objective Optimization for Tower Lateral Load Reduction in Monopile Offshore Wind Turbines

M Lara, F Vázquez, I Sandua-Fernández… - IEEE Access, 2023 - ieeexplore.ieee.org
The study of fatigue load reduction in wind turbines has gained significant interest in recent
years. In monopile offshore wind turbines, vibrations induced by misalignment between …

Analysis and multi-objective optimisation of model-based wind turbine controllers

L Brandetti, SP Mulders, Y Liu, S Watson… - Wind Energy …, 2023 - wes.copernicus.org
The combined wind speed estimator and tip-speed ratio (WSE-TSR) tracking wind turbine
control scheme has seen recent and increased traction from the wind industry. The modern …

Dynamic Response and Optimal Design of Radio Telescope Structure under Wind Load Excitation

D Wang, L Zhang, F Yang, J Yang, Y Wu, P Cao - Buildings, 2023 - mdpi.com
The dynamic response of a radio telescope structure under wind load excitation significantly
impacts the accuracy of signal reception. To address this issue, this study established a …

Optimization with genetic algorithms of individual pitch control design with and without azimuth offset for wind turbines in the full load region

M Lara, J Garrido, JW van Wingerden, SP Mulders… - IFAC-PapersOnLine, 2023 - Elsevier
The reduction of fatigue loadings in wind turbines to increase their lifetime has become of
special interest from a control viewpoint. Individual Pitch Control (IPC) is a well-known …

[HTML][HTML] Independent Pitch Adaptive Control of Large Wind Turbines Using State Feedback and Disturbance Accommodating Control

Y Liu, Y Wang, X Wang - Energies, 2024 - mdpi.com
Wind turbines experience significant unbalanced loads during operation, exacerbated by
external disturbances that challenge the stability of the pitch control system and affect output …