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418 Results Found

  • Article
  • Open Access
5 Citations
3,858 Views
21 Pages

20 August 2021

According to star graph and winding distribution, winding MMFs of three kinds of 12-slot/10-pole multi-phase and multi-layer winding layout are analyzed by the improved winding function method. Analysis results show that multi-phase and multi-layer w...

  • Article
  • Open Access
1 Citations
801 Views
26 Pages

The non-metallic armored optoelectronic cable (NAOC) serves as a critical component in deep-sea scientific winch systems. Due to its low density and excellent corrosion resistance, it has been widely adopted in marine exploration. However, as the ope...

  • Article
  • Open Access
5 Citations
2,465 Views
17 Pages

A Novel Triboelectric–Electromagnetic Hybrid Generator with a Multi-Layered Structure for Wind Energy Harvesting and Wind Vector Monitoring

  • Jiaqing Niu,
  • Ribin Hu,
  • Ming Li,
  • Luying Zhang,
  • Bei Xu,
  • Yaqi Zhang,
  • Yi Luo,
  • Jiang Ding and
  • Qingshan Duan

High-efficiency wind energy collection and precise wind vector monitoring are crucial for sustainable energy applications, smart agriculture, and environmental management. A novel multi-layered triboelectric–electromagnetic hybrid generator (TE...

  • Article
  • Open Access
3 Citations
988 Views
19 Pages

24 February 2025

In recent wind power forecasting studies, deep neural networks have shown powerful performance in estimating future power from wind power data. In this paper, a pseudo-twin neural network model of full multi-layer perceptron is proposed for power for...

  • Article
  • Open Access
700 Views
21 Pages

28 October 2025

Few studies have addressed jack-up substructures with spudcans for offshore wind turbines targeting multi-layer seabed conditions, which are frequently found in the Korean seabed. This study analyzed existing guidelines to establish geotechnical desi...

  • Article
  • Open Access
9 Citations
5,341 Views
12 Pages

18 March 2017

In this work, a wind turbine shrink disk is used as the research object to investigate load-carrying performance of a multi-layer interference fit, and the theoretical model and finite element model are constructed. According to those models, a MW-le...

  • Article
  • Open Access
4 Citations
1,607 Views
20 Pages

26 January 2025

Accurate wind power forecasting is crucial for optimizing grid scheduling and improving wind power utilization. However, real-world wind power time series exhibit dynamic statistical properties, such as changing mean and variance over time, which mak...

  • Proceeding Paper
  • Open Access
2 Citations
4,336 Views
16 Pages

The Utilization of Printed Circuit Boards (PCBs) in Axial Flux Machines: A Systematic Review

  • Isiaka Shuaibu,
  • Eric Ho Tatt Wei,
  • Ramani Kannan and
  • Yau Alhaji Samaila

The rapid advancement of technology has increased our reliance on axial flux permanent magnet machines (AFPMMs), making Printed Circuit Boards (PCBs) essential for modern, lightweight designs. This study reviews PCB roles in AFPMMs for low- and high-...

  • Article
  • Open Access
9 Citations
7,515 Views
15 Pages

11 August 2019

In this work, a novel solid rotor induction motor with toroidal winding (N-TWSRIM) is proposed and its structure and main structural parameters are given. The operating principle is analyzed in accordance with the movement of the armature magnetic fi...

  • Article
  • Open Access
94 Citations
10,716 Views
17 Pages

24 May 2016

Reliable and quick response fault diagnosis is crucial for the wind turbine generator system (WTGS) to avoid unplanned interruption and to reduce the maintenance cost. However, the conditional data generated from WTGS operating in a tough environment...

  • Article
  • Open Access
9 Citations
1,931 Views
16 Pages

Torque Ripple Reduction in Brushless Wound Rotor Vernier Machine Using Third-Harmonic Multi-Layer Winding

  • Muhammad Zulqarnain,
  • Sheikh Yasir Hammad,
  • Junaid Ikram,
  • Syed Sabir Hussain Bukhari and
  • Laiq Khan

This article aims to realize the brushless operation of a wound rotor vernier machine (WRVM) by a third-harmonic field produced through stator auxiliary winding (X). In the conventional model, a third-harmonic current is generated by connecting a 4-p...

  • Article
  • Open Access
4 Citations
2,160 Views
18 Pages

3D Turbulent Boundary Layer Separation Control by Multi-Discharge Plasma Actuator

  • Sergey Chernyshev,
  • Gadzhi Gadzhimagomedov,
  • Aleksandr Kuryachiy,
  • Dmitry Sboev and
  • Stepan Tolkachev

6 October 2023

In a subsonic wind tunnel, a three-dimensional separation of a developed turbulent boundary layer was simulated on a swept wing flap model. A multi-discharge plasma actuator operating on the basis of dielectric barrier discharge was used to overcome...

  • Article
  • Open Access
2 Citations
1,515 Views
22 Pages

Machine Learning Models for the Prediction of Wind Loads on Containerships

  • Nastia Degiuli,
  • Carlo Giorgio Grlj,
  • Ivana Martić,
  • Sandi Baressi Šegota,
  • Nikola Anđelić and
  • Darin Majnarić

24 February 2025

As the windage area of containerships increases, wind loads are becoming a more significant factor in navigating ships at open sea. This can lead to increased resistance and affect ship stability, maneuverability, and fuel efficiency. In this study,...

  • Article
  • Open Access
15 Citations
3,318 Views
28 Pages

Comparative Study of Wind Energy Potential Estimation Methods for Wind Sites in Togo and Benin (West Sub-Saharan Africa)

  • Kwami Senam A. Sedzro,
  • Adekunlé Akim Salami,
  • Pierre Akuété Agbessi and
  • Mawugno Koffi Kodjo

18 November 2022

The characterization of wind speed distribution and the optimal assessment of wind energy potential are critical factors in selecting a suitable site for wind power plants (WPP). The Weibull distribution law has been used extensively to analyze the w...

  • Article
  • Open Access
1 Citations
3,013 Views
28 Pages

19 December 2022

A region in the tropical western Pacific is selected to study the notable change in temperature between the recent warming hiatus period and the post-hiatus period. In total, three probable factors, namely sea-surface temperature (SST), cloud vertica...

  • Article
  • Open Access
3 Citations
2,084 Views
23 Pages

Non-metallic armoured optoelectronic cable winch systems (NAOCWSs) play critical roles in facilitating signal transmission and powering subsea equipment. Due to the varying depths in these applications, deploying the entire cable length is unnecessar...

  • Article
  • Open Access
2,034 Views
16 Pages

Selection of Design Scheme for an Ultrahigh-Pressure Hydrostatic Extrusion Cylinder

  • Jian Yang,
  • Lei Zhang,
  • Jun Zhang,
  • Hao Wang,
  • Dong Zhang,
  • Yuanxin Luo and
  • Yongqin Wang

25 September 2023

In this study, the mechanical models of a multilayer combined extrusion cylinder and a steel-wire-winding extrusion cylinder were established and compared using a finite element simulation and existing experimental cases. This work provides theoretic...

  • Article
  • Open Access
5 Citations
2,552 Views
18 Pages

16 April 2022

The interferometric imaging radar altimeter (InIRA) adopts a short baseline along with small incidence angles to acquire interferometric signals from the sea surface with high accuracy, thus the wide-swath sea surface height (SSH) and backscattering...

  • Article
  • Open Access
45 Citations
7,562 Views
32 Pages

The Multi-Purpose Airborne Sensor Carrier MASC-3 for Wind and Turbulence Measurements in the Atmospheric Boundary Layer

  • Alexander Rautenberg,
  • Martin Schön,
  • Kjell zum Berge,
  • Moritz Mauz,
  • Patrick Manz,
  • Andreas Platis,
  • Bram van Kesteren,
  • Irene Suomi,
  • Stephan T. Kral and
  • Jens Bange

17 May 2019

For atmospheric boundary-layer (ABL) studies, unmanned aircraft systems (UAS) can provide new information in addition to traditional in-situ measurements, or by ground- or satellite-based remote sensing techniques. The ability of fixed-wing UAS to tr...

  • Article
  • Open Access
1 Citations
2,575 Views
16 Pages

29 March 2024

To enhance the power density of LLC resonant converters, multilayer planar inductors are required. However, multilayer planar inductors have high parasitic capacitance, which may cause inductor current ringing in LLC resonant converters, leading to E...

  • Article
  • Open Access
1 Citations
1,731 Views
22 Pages

Detection of Short-Circuit Faults in Induction Motor Winding Turns Using a Neural Network and Its Implementation in FPGA

  • Luz del Carmen García-Rodríguez,
  • Raúl Santiago-Montero,
  • Jose de Jesus Rangel-Magdaleno,
  • Francisco Javier Pérez-Pinal,
  • Rogelio José González-González,
  • Allan G. S. Sánchez and
  • Alejandro Espinosa-Calderón

11 March 2025

Nowadays, induction motors are an essential part of industrial development. Faults due to short-circuit turns within induction motors are “incipient faults”. This type of failure affects engine operation through undesirable vibrations. Su...

  • Article
  • Open Access
6 Citations
2,112 Views
23 Pages

2 November 2024

A two-layer optimization model and an improved snake optimization algorithm (ISOA) are proposed to solve the capacity optimization problem of wind–solar–storage multi-power microgrids in the whole life cycle. In the upper optimization mod...

  • Feature Paper
  • Article
  • Open Access
17 Citations
4,581 Views
27 Pages

This study explores the damping effects of tuned liquid dampers (TLDs) on a monopile offshore wind turbine (OWT). The fluid–solid coupling of ANSYS was used to simulate the damping effect of a TLD on the structures. The environmental conditions...

  • Article
  • Open Access
14 Citations
2,828 Views
16 Pages

18 October 2019

With the wide application of multi-energy storage technology in the regional integrated energy system, the configuration of multi-energy storage devices is expected to enhance the economic benefits of regional integrated energy systems. To start with...

  • Article
  • Open Access
56 Citations
6,992 Views
29 Pages

Wind Profiling in the Lower Atmosphere from Wind-Induced Perturbations to Multirotor UAS

  • Javier González-Rocha,
  • Stephan F. J. De Wekker,
  • Shane D. Ross and
  • Craig A. Woolsey

29 February 2020

We present a model-based approach to estimate the vertical profile of horizontal wind velocity components using motion perturbations of a multirotor unmanned aircraft system (UAS) in both hovering and steady ascending flight. The state estimation fra...

  • Article
  • Open Access
1,412 Views
20 Pages

7 October 2023

This work proposes a parallel multi-layer Monte Carlo optimization algorithm (PMMCOA) that optimizes proportional–integral parameters for a doubly fed induction generator-based wind turbine controller. The PMMCOA, an improved form of the Monte...

  • Feature Paper
  • Article
  • Open Access
135 Citations
9,637 Views
18 Pages

Wind Speed Prediction with Spatio–Temporal Correlation: A Deep Learning Approach

  • Qiaomu Zhu,
  • Jinfu Chen,
  • Lin Zhu,
  • Xianzhong Duan and
  • Yilu Liu

21 March 2018

Wind speed prediction with spatio–temporal correlation is among the most challenging tasks in wind speed prediction. In this paper, the problem of predicting wind speed for multiple sites simultaneously is investigated by using spatio–temporal correl...

  • Article
  • Open Access
67 Citations
16,591 Views
65 Pages

Proof of Concept Study for Fuselage Boundary Layer Ingesting Propulsion

  • Arne Seitz,
  • Anaïs Luisa Habermann,
  • Fabian Peter,
  • Florian Troeltsch,
  • Alejandro Castillo Pardo,
  • Biagio Della Corte,
  • Martijn van Sluis,
  • Zdobyslaw Goraj,
  • Mariusz Kowalski and
  • Guido Wortmann
  • + 3 authors

13 January 2021

Key results from the EU H2020 project CENTRELINE are presented. The research activities undertaken to demonstrate the proof of concept (technology readiness level—TRL 3) for the so-called propulsive fuselage concept (PFC) for fuselage wake-fill...

  • Article
  • Open Access
529 Views
29 Pages

9 December 2025

With the rise of the low-altitude economy, there is growing demand for performance and safety evaluation of logistics drones and urban aircraft operating in complex turbulent environments. Conventional wind tunnels, however, face challenges in simula...

  • Article
  • Open Access
1 Citations
1,032 Views
15 Pages

10 August 2025

In response to the strong coupling and nonlinear interactions among complex meteorological and marine variables in offshore wind power generation—and given the implicit, topologically intricate nature of multi-source data—this paper intro...

  • Review
  • Open Access
12 Citations
16,970 Views
20 Pages

12 May 2021

With wind turbines increasing in size, installed at greater distances from the mainland, and greater depths, submarine cables are facing new challenges. Materials and technologies used so far for the production of submarine cables with lead, aluminiu...

  • Article
  • Open Access
327 Views
23 Pages

Atmospheric Impact of Typhoon Hagibis: A Multi-Layer Investigation of Stratospheric and Ionospheric Responses

  • Kousik Nanda,
  • Debrupa Mondal,
  • Sudipta Sasmal,
  • Yasuhide Hobara,
  • Ajeet K. Maurya,
  • Masashi Hayakawa,
  • Stelios M. Potirakis and
  • Abhirup Datta

4 February 2026

We investigate the multi-layer atmospheric impacts of Typhoon Hagibis (2019), which formed on 6 October, tracked across 12–35° N and 135–155° E, and made landfall on 12 October over the Izu Peninsula, central Honshu, Japan. We pre...

  • Article
  • Open Access
1 Citations
3,253 Views
17 Pages

This study attempts to improve the accuracy of wind field simulations in the Weather Research and Forecasting (WRF) model by incorporating Doppler lidar-based wind observations over the Osaka region of Japan. To achieve this, a Doppler lidar was depl...

  • Article
  • Open Access
1,814 Views
30 Pages

31 October 2024

This study presents an optimized design for a Segmented Sinusoidal Parameter Winding with Magnetic Wedge Variable Reluctance Resolver (SSPWMW-VRR), addressing challenges like winding asymmetry and harmonic distortion in conventional designs. By integ...

  • Article
  • Open Access
12 Citations
4,458 Views
25 Pages

20 November 2021

This paper analyses the issues relative to the modelling of tubular (cylindrical) composite structures. This paper aims to describe the design of a multi-layer structure of filament-wound composite pipes where, after loading, the hoop-stress distribu...

  • Article
  • Open Access
2 Citations
2,176 Views
19 Pages

9 December 2020

The wind power ramp event includes large fluctuations in wind power within a short period of time. To maintain grid stability, defining, identifying, and predicting the wind power ramp event is inevitable. Therefore, a comprehensive assessment method...

  • Article
  • Open Access
334 Views
34 Pages

15 February 2026

This paper presents a multi-layer architecture designed to enhance the reliable autonomous flight of single and multiple quadcopters in simulation. The architecture leverages concepts inspired by the resilient spacecraft executive to hierarchically o...

  • Article
  • Open Access
702 Views
25 Pages

The airflow within industrial buildings under natural ventilation is influenced by both internal conditions and external environments. Multi-layer vertically connected plants include a vertically connected space and multiple heat sources distributed...

  • Communication
  • Open Access
1,682 Views
15 Pages

A GEO-GEO Stereo Observation of Diurnal Cloud Variations over the Eastern Pacific

  • Dong L. Wu,
  • James L. Carr,
  • Mariel D. Friberg,
  • Tyler C. Summers,
  • Jae N. Lee and
  • Ákos Horváth

24 March 2024

Fast atmospheric processes such as deep convection and severe storms are challenging to observe and understand without adequate spatiotemporal sampling. Geostationary (GEO) imaging has the advantage of tracking these fast processes continuously at a...

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,614 Views
17 Pages

This paper investigates the permanent-magnet (PM) eddy-current losses in multi-phase PM synchronous machines (PMSM) with concentric winding and surface-mounted PMs. A hybrid multi-layer model, combining a two-dimensional (2-D) generic magnetic equiva...

  • Article
  • Open Access
44 Citations
7,679 Views
39 Pages

12 July 2020

With the large-scale development of wind energy, wind power forecasting plays a key role in power dispatching in the electric power grid, as well as in the operation and maintenance of wind farms. The most important technology for wind power forecast...

  • Article
  • Open Access
29 Citations
4,725 Views
23 Pages

Condition Monitoring of Wind Turbine Main Bearing Based on Multivariate Time Series Forecasting

  • Xiaocong Xiao,
  • Jianxun Liu,
  • Deshun Liu,
  • Yufei Tang and
  • Fan Zhang

7 March 2022

Condition monitoring and overheating warnings of the main bearing of large-scale wind turbines (WT) plays an important role in enhancing their dependability and reducing operating and maintenance (O&M) costs. The temperature parameter of the main...

  • Article
  • Open Access
11 Citations
3,650 Views
16 Pages

Prediction Method and Validation Study of Tensile Performance of Reinforced Armor Layer in Marine Flexible Pipe/Cables

  • Hualin Wang,
  • Zhixun Yang,
  • Jun Yan,
  • Gang Wang,
  • Dongyan Shi,
  • Baoshun Zhou and
  • Yanchun Li

Marine flexible pipe/cables, such as umbilicals, flexible pipes and cryogenic hoses, are widely adopted in ocean engineering. The reinforcing armor layer in these pipe/cables is the main component for bearing loads, which is a typical multi-layer hel...

  • Article
  • Open Access
2 Citations
1,946 Views
16 Pages

Wind Turbine Blade Material Behavior in Abrasive Wear Conditions

  • Cristian Muntenita,
  • Larisa Titire,
  • Mariana Chivu,
  • Geanina Podaru and
  • Romeo Marin

13 December 2024

The wind turbine blades are exposed, during functioning, to the abrasive wear generated by the impact with air-borne sand particles. In this work, samples of a commercial wind turbine blade, made of a multi-layered composite material, are subjected t...

  • Article
  • Open Access
28 Citations
5,412 Views
17 Pages

Differences in Airborne Particulate Matter Concentration in Urban Green Spaces with Different Spatial Structures in Xi’an, China

  • Bo Jiang,
  • Chang Sun,
  • Sen Mu,
  • Zixin Zhao,
  • Yingyuan Chen,
  • Yiwei Lin,
  • Ling Qiu and
  • Tian Gao

22 December 2021

With the acceleration of urbanization and industrialization, air pollution is becoming one of the most serious problems in cities. Urban green spaces, as “green infrastructure”, are an important part of urban ecosystems for air purificati...

  • Article
  • Open Access
4 Citations
1,788 Views
27 Pages

Applied Machine Learning to Study the Movement of Air Masses in the Wind Farm Area

  • Vladislav N. Kovalnogov,
  • Ruslan V. Fedorov,
  • Andrei V. Chukalin,
  • Vladimir N. Klyachkin,
  • Vladimir P. Tabakov and
  • Denis A. Demidov

9 August 2024

Modeling the atmospheric boundary layer (ABL) in the area of a wind farm using computational fluid dynamics (CFD) methods allows us to study the characteristics of air movement, the shading effect, the influence of relief, etc., and can be actively u...

  • Article
  • Open Access
20 Citations
5,543 Views
17 Pages

26 August 2021

Obtaining reliable wind information is critical for efficiently managing air traffic and airport operations. Wind forecasting has been considered one of the most challenging tasks in the aviation industry. Recently, with the advent of artificial inte...

  • Article
  • Open Access
3 Citations
2,209 Views
19 Pages

A ML-Based Wind Speed Prediction Model with Truncated Real-Time Decomposition and Multi-Resolution Data

  • Hui Feng,
  • Yao Jin,
  • Shujin Laima,
  • Feiyang Han,
  • Wengchen Xu and
  • Zhiqiang Liu

24 September 2022

Accurate wind speed prediction is of importance for long-span cross-sea bridges. To this end, data decomposition techniques are usually employed to promote accuracy of the prediction model. Since wind speed data come sequentially, real-time decomposi...

  • Article
  • Open Access
34 Citations
5,325 Views
20 Pages

21 June 2019

To balance electricity production and demand, it is required to use different prediction techniques extensively. Renewable energy, due to its intermittency, increases the complexity and uncertainty of forecasting, and the resulting accuracy impacts a...

  • Article
  • Open Access
3 Citations
2,092 Views
17 Pages

Prediction Method of Tunnel Natural Wind Based on Open-Source Meteorological Parameters

  • Yangqin Ni,
  • Mingnian Wang,
  • Zhenghui Ge,
  • Yuxuan Guo,
  • Changling Han,
  • Anmin Wang,
  • Jingyu Chen and
  • Tao Yan

10 January 2023

The rational use of natural wind in extra-long tunnels for feedforward operation ventilation control can dramatically reduce tunnel operation costs. However, traditional tunnel natural wind calculation theory lacks a prediction function. This paper p...

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