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Wind turbines located in wind farms are operated to maximize only their own power production. Individual operation results in wake losses that reduce farm energy. In this study, we operate a wind turbine array collectively to maximize total…

The Earth's atmosphere is comprised of turbulent layers that result in speckled and blurry images from ground-based visible and infrared observations. Adaptive Optics (AO) systems are employed to measure the perturbed wavefront with a…

Accurate short-term wind speed forecasting is needed for the rapid development and efficient operation of wind energy resources. This is, however, a very challenging problem. Although on the large scale, the wind speed is related to…

应用统计 · 统计学 2014-12-08 Xinxin Zhu , Kenneth P. Bowman , Marc G. Genton

The state-of-the-art in wind-farm flow-physics modeling is Large Eddy Simulation (LES) which makes accurate predictions of most relevant physics, but requires extensive computational resources. The next-fidelity model types are…

流体动力学 · 物理学 2021-01-19 Julia Steiner , Richard P. Dwight , Axelle Viré

We develop a data-driven methodology based on parametric It\^{o}'s Stochastic Differential Equations (SDEs) to capture the real asymmetric dynamics of forecast errors. Our SDE framework features time-derivative tracking of the forecast,…

统计方法学 · 统计学 2021-02-11 Renzo Caballero , Ahmed Kebaier , Marco Scavino , Raúl Tempone

This paper proposes a control method for battery energy storage systems (BESSs) to provide concurrent primary frequency and local voltage regulation services. The actual variable active and reactive power capability of the converter, along…

系统与控制 · 电气工程与系统科学 2020-04-10 Antonio Zecchino , Zhao Yuan , Fabrizio Sossan , Rachid Cherkaoui , Mario Paolone

Wind energy is expected to be one of the leading ways to achieve the goals of the Paris Agreement but it in turn heavily depends on effective management of its operations and maintenance (O&M) costs. Blade failures account for one-third of…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Akshay Iyer , Linh Nguyen , Shweta Khushu

Cross-flow turbines harness kinetic energy in wind or moving water. Due to their unsteady fluid dynamics, it can be difficult to predict the interplay between aspects of rotor geometry and turbine performance. This study considers the…

We propose a procedure to estimate the fatigue loads on wind turbines, based in a recent framework used for reconstructing data series of stochastic properties measured at wind turbines. Through a standard fatigue analysis, we show that it…

数据分析、统计与概率 · 物理学 2014-10-30 Pedro G. Lind , Matthias Wächter , Joachim Peinke

Due to limitations in available sensor technology, unmanned aerial vehicles (UAVs) lack an active sensing capability to measure turbulence, gusts, or other unsteady aerodynamic phenomena. Conventional in situ anemometry techniques fail to…

流体动力学 · 物理学 2022-11-30 Nathaniel Simon , Alexander Piqué , David Snyder , Kyle Ikuma , Anirudha Majumdar , Marcus Hultmark

Wind farm flow control aims to improve wind turbine performance by reducing aerodynamic wake interaction between turbines. Dynamic, physics-based models of wind farm flows have been essential for exploring control strategies such as wake…

系统与控制 · 电气工程与系统科学 2022-11-15 Maarten J. van den Broek , Delphine De Tavernier , Benjamin Sanderse , Jan-Willem van Wingerden

Power system state estimation (PSSE) is commonly formulated as weighted least-square (WLS) algorithm and solved using iterative methods such as Gauss-Newton methods. However, iterative methods have become more sensitive to system operating…

系统与控制 · 电气工程与系统科学 2021-01-12 Narayan Bhusal , Raj Mani Shukla , Mukesh Gautam , Mohammed Benidris , Shamik Sengupta

This paper proposes a novel approach for optimal energy and reserve scheduling of wind farms by explicitly modelling wake interactions to enhance market participation and operational efficiency. Conventional methods often neglect wake…

流体动力学 · 物理学 2026-04-14 Marin Mabboux-Fort , Majid Bastankhah , Peter C Matthews , Mokhtar Bozorg

Uncertainty in the prediction of future weather is commonly assessed through the use of forecast ensembles that employ a numerical weather prediction model in distinct variants. Statistical postprocessing can correct for biases in the…

应用统计 · 统计学 2016-06-16 Annette Möller , Thordis L. Thorarinsdottir , Alex Lenkoski , Tilmann Gneiting

We present a model-based approach to wind velocity profiling using motion perturbations of a multirotor unmanned aircraft system (UAS) in both hovering and steady ascending flight. A state estimation framework was adapted to a set of…

系统与控制 · 电气工程与系统科学 2020-04-07 Javier González-Rocha , Stephan F. J. De Wekker , Shane D. Ross , Craig A. Woolsey

With industrial and technological development and the increasing demand for electric power, wind energy has gradually become the fastest-growing and most environmentally friendly new energy source. Nevertheless, wind power generation is…

机器学习 · 计算机科学 2024-12-19 Yasmeen Aldossary , Nabil Hewahi , Abdulla Alasaadi

The need of real-time of monitoring and alerting systems for Space Weather hazards has grown significantly in the last two decades. One of the most important challenge for space mission operations and planning is the prediction of solar…

太阳与恒星天体物理 · 物理学 2024-06-19 Mirko Stumpo , Monica Laurenza , Simone Benella , Maria Federica Marcucci

CFD studies have been performed to demonstrate the effects of rotation on large wind turbine blades. The 10 MW blade of the Advanced Aerodynamic Tools for Large Rotors (AVATAR) project was selected in the present investigation. In order to…

流体动力学 · 物理学 2017-05-12 Galih Bangga , Thorsten Lutz , Ewald Krämer

In this paper, we propose a data-driven energy storage system (ESS)-based method to enhance the online small-signal stability monitoring of power networks with high penetration of intermittent wind power. To accurately estimate inter-area…

系统与控制 · 电气工程与系统科学 2021-02-23 Ilias Zenelis , Georgia Pierrou , Xiaozhe Wang

Wind energy has been increasingly adopted to mitigate climate change. However, the variability of wind energy causes wind curtailment, resulting in considerable economic losses for wind farm owners. Wind curtailment can be reduced using…

系统与控制 · 电气工程与系统科学 2023-08-29 Jinhao Li , Changlong Wang , Hao Wang