Results 41 to 50 of about 3,633,789 (192)

Prediction of Wind Speed by Using Machine Learning

open access: yes, 2023
Due to the depletion of fossil fuel resources and environmental concerns caused by traditional fuel systems in recent years, the share of renewable energy sources in current energy production has been increasing. Among these energy sources, wind and solar energy stand out compared to other sources.
İşler, Buket   +6 more
openaire   +4 more sources

Wind Derivatives: Modeling and Pricing [PDF]

open access: yes, 2013
Wind is considered to be a free, renewable and environmentally friendly source of energy. However, wind farms are exposed to excessive weather risk since the power production depends on the wind speed, the wind direction and the wind duration.
Zapranis, Achilleas   +1 more
core   +1 more source

Wind speed prediction over Malaysia using various machine learning models: potential renewable energy source

open access: yesEngineering Applications of Computational Fluid Mechanics, 2022
Modeling wind speed has a significant impact on wind energy systems and has attracted attention from numerous researchers. The prediction of wind speed is considered a challenging task because of its natural nonlinear and random characteristics. Therefore,
Marwah Sattar Hanoon   +9 more
doaj   +1 more source

Modelling and control of a variable-speed switched reluctance generator based wind turbine [PDF]

open access: yes, 2007
This paper studies the system modelling and control aspects of switched reluctance generator (SRG) based variable speed wind turbines. A control system is implemented to provide proper operation of the SRG as well as power tracking capabilities for ...
McSwiggan, D., Xu, L., Littler, T.
core   +4 more sources

Wind forecasting using Principal Component Analysis [PDF]

open access: yes, 2014
We present a new statistical wind forecasting tool based on Principal Component Analysis (PCA), which is trained on past data to predict the wind speed using an ensemble of dynamically similar past events.
Fruh, Wolf-Gerrit; id_orcid   +3 more
core   +1 more source

Wind Speed Prediction with Wavelet Time Series Based on Lorenz Disturbance

open access: yesAdvances in Electrical and Computer Engineering, 2017
Due to the sustainable and pollution-free characteristics, wind energy has been one of the fastest growing renewable energy sources. However, the intermittent and random fluctuation of wind speed presents many challenges for reliable wind power ...
ZHANG, Y., WANG, P., CHENG, P., LEI, S.
doaj   +1 more source

Research on Hybrid Wind Speed Prediction System Based on Artificial Intelligence and Double Prediction Scheme

open access: yesComplexity, 2020
Wind energy analysis and wind speed modeling have a significant impact on wind power generation systems and have attracted significant attention from many researchers in recent decades.
Ying Nie   +3 more
doaj   +1 more source

Generic maximum power point tracking controller for small-scale wind turbines [PDF]

open access: yes, 2012
The output power of a wind energy conversion system (WECS) is maximized if the wind rotor is driven at an optimal rotational speed for a particular wind speed. To achieve this, a Maximum Power Point Tracking (MPPT) controller is usually used.
Jovanovic, Milutin   +4 more
core   +1 more source

A Novel Twin Support Vector Regression Model for Wind Speed Time-Series Interval Prediction

open access: yesEnergies, 2023
Although the machine-learning model demonstrates high accuracy in wind speed prediction, it struggles to accurately depict the fluctuation range of the predicted values due to the inherent uncertainty in wind speed sequences.
Xinyue Fu   +3 more
doaj   +1 more source

Wind-speed forecasting model based on DBN-Elman combined with improved PSO-HHT

open access: yesGlobal Energy Interconnection, 2023
Random and fluctuating wind speeds make it difficult to stabilize the wind-power output, which complicates the execution of wind-farm control systems and increases the response frequency.
Wei Liu   +6 more
doaj   +1 more source

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