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Highlights of ES2DE and IWOBI 2017: extended versions of selected best papers

Lucas Pereira, Antonio G. Ravelo-García
2018 Computing  
In the article entitled "Optimal Electrical Power Generation with Underwater Kite Systems" [1], the authors investigate the use of Underwater Kite Power Systems (UKPS) as a mean to generate electricity  ...  To state more concretely, the simulations report an average power generation of 12.5 kW (with instant peaks up to 20 kW) for a 2 m 2 kite in a water stream of 5 ms −1 .  ...  Since CIEDE2000 was adapted to the perception of the human visual system, the basis assumption was that the results of quantitative spectral quality assessment would match with those a human observer would  ... 
doi:10.1007/s00607-018-0660-3 fatcat:ag3opm7mlbasnfy6umkjji4h4y

Electricity in the air: Insights from two decades of advanced control research and experimental flight testing of airborne wind energy systems

Chris Vermillion, Mitchell Cobb, Lorenzo Fagiano, Rachel Leuthold, Moritz Diehl, Roy S. Smith, Tony A. Wood, Sebastian Rapp, Roland Schmehl, David Olinger, Michael Demetriou
2021 Annual Reviews in Control  
Airborne wind energy systems convert wind energy into electricity using tethered flying devices, typically flexible kites or aircraft.  ...  optimal control approaches that have been used to extract the maximal amount of power from tethered systems and the robust modal control approaches that have been used to achieve reliable launch, landing  ...  (Nikpoorparizi, 13 ), with a 9 m 2 power kite.  ... 
doi:10.1016/j.arcontrol.2021.03.002 fatcat:ssdi5zm3pnbrrbjju6oyrvcc5y

Optimal Crosswind Towing and Power Generation with Tethered Kites

Paul Williams, Bas Lansdorp, Wubbo Ockesl
2008 Journal of Guidance Control and Dynamics  
10 Optimal power-generation results: a) average power generated by the kite system as a function of cycle time and b) optimal kite trajectories for cycle times between 5 and 20 s. selected as W, = W;  ...  This paper investigates the optimal means for flying a kite to produce maximum power for the purposes of electricity generation, as well as for towing ground vehicles.  ... 
doi:10.2514/1.30089 fatcat:b4lyfh4auzhnbow42hgua4pypq

Current tidal power technologies and their suitability for applications in coastal and marine areas

A. Roberts, B. Thomas, P. Sewell, Z. Khan, S. Balmain, J. Gillman
2016 Journal of Ocean Engineering and Marine Energy  
This article reviews tidal barrages and lagoons, tidal turbines, oscillating hydrofoils and tidal kites to assess their suitability for smaller scale electricity generation in the shallower waters of coastal  ...  This work is naturally focussed on maximising power generation from the most promising sites, and a review of the literature suggests that the potential for smaller scale, local tidal power generation  ...  The resulting oscillations can be used to drive fluids in a hydraulic system to power a generator.  ... 
doi:10.1007/s40722-016-0044-8 fatcat:2ep245b6bbasvgtlrxssdwlf2m

Marine Current Turbines and Generator preference. A technology review

Astrid Røkke, Robert Nilssen
2013 The Renewable Energies and Power Quality Journal (RE&PQJ)  
Marine current power is a significant energy resource yet to be exploited for electricity production. Several novel turbine technologies can be found on the market, and new ones emerge every year.  ...  The majority of manufacturers use geared (mechanical or hydraulic) solutions, and an induction or a synchronous generator. The few direct drive systems all use PM synchronous generators.  ...  The cost of installing, maintaining and operating the power system must not exceed the income from the sale of electricity to the grid.  ... 
doi:10.24084/repqj11.299 fatcat:dgy7af7mc5c5ll2boebrdoo6sa

Robotics Inspired Renewable Energy Developments: Prospective Opportunities and Challenges

Jamshed Iqbal, Ali Al-Zahrani, Soltan Abed Alharbi, Anas Hashmi
2019 IEEE Access  
Instrumental opportunities and challenges of robot deployment in the renewable sector are also discussed with a brief case study of Saudi Arabia.  ...  In each case, existing state-of-the-art innovative robotic systems are investigated that have the potential to create a difference in the corresponding renewable sector in terms of reduced set-up time,  ...  Optimal control techniques proposed for non-linear systems having state constraints can find potential in control of powered kites.  ... 
doi:10.1109/access.2019.2957013 fatcat:wualmb7vx5ajvhkcx4dvld3cke

DESIGN OF IN-SITU RIVER KINETIC TURBINES TEST FACILITY IN COLD WATER

Eric Bibeau, Shamez Kassam, John Woods, Ani Gole, Farid Mosallat, Philippe Vauthier, Tom Molinski
2011 Proceedings of the Canadian Engineering Education Association (CEEA)  
Compared with other forms of power generation technology, kinetic turbines may be implemented with less infrastructure.  ...  The goal of this program is to determine if this renewable energy technology can economically generate power in remote and grid connected areas using river currents.  ...  To help commercialize this renewable energy technology, a partnership between Manitoba Hydro, the Underwater Electric Kite (UEK) Corporation from Maryland, and the University of Manitoba was developed  ... 
doi:10.24908/pceea.v0i0.3775 fatcat:may7d572unfvveiykwtltzbtua

Risk Retirement—Decreasing Uncertainty and Informing Consenting Processes for Marine Renewable Energy Development

Andrea E. Copping, Mikaela C. Freeman, Alicia M. Gorton, Lenaïg G. Hemery
2020 Journal of Marine Science and Engineering  
Marine renewable energy (MRE) is under development in many coastal nations, adding to the portfolio of low carbon energy sources that power national electricity grids as well as off-grid uses in isolated  ...  The risk retirement process was tested against two key MRE stressors: effects of underwater noise from operational MRE devices on marine animals, and effects of electromagnetic fields from MRE electrical  ...  Department of Energy, Water Power Technologies Office, and the collaboration with U.S. Department of Energy staff, including Samantha Eaves, Hoyt Battey, and Tim Ramsey.  ... 
doi:10.3390/jmse8030172 fatcat:exv7ipsmujabfivy2klw2esqny

Final Program

2019 2019 16th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE)  
Structure feedback control and their applications in Power Electronics, Electro-mechanical systems and Robotics.  ...  Sira-Ramírez is interested in the theoretical and practical aspects of feedback regulation of nonlinear dynamic systems, with special emphasis in: Algebraic methods, Active Disturbance Rejection, Variable  ...  Robust nonlinear flight control of a power-generating tethered kite Thermal Images Real-time people detection from thermal images by using an Unmanned Aerial System Thermal Propagation.  ... 
doi:10.1109/iceee.2019.8884545 fatcat:jm72uv7khvh3pab5bxvt7ow4xu

Research on Hydraulic Conversion Technology of Small Ocean Current Turbines for Low-Flow Current Energy Generation

Wenbin Su, Hongbo Wei, Penghua Guo, Qiao Hu, Mengyuan Guo, Yuanjie Zhou, Dayu Zhang, Zhufeng Lei, Chaohui Wang
2021 Energies  
In order to achieve stable electric power output, this paper designs a hydraulic conversion power generation control system with flexible control, and the hydraulic system working pressure designed to  ...  In this paper, we conducted towing experiments on the prototype of an ocean current energy turbine, with hydraulic transmission and a control power generation system applied to the low flow rate, and achieved  ...  The energy storage device stores the electrical energy from the generator to cope with different load working conditions.  ... 
doi:10.3390/en14206499 fatcat:h6zg5qontjaylooxc7qcvkpluu

Autonomous Buoyancy-Driven Underwater Gliders [chapter]

Russ Davis, Charles Eriksen, Clayton Jones
2002 Technology and Applications of Autonomous Underwater Vehicles  
A class of small (50 kg, 2 m length), reusable autonomous underwater vehicles capable of operating at speeds of 20-30 cm/s with ranges several thousand kilometers and durations of months has been developed  ...  Different approaches to the various design issues are embodied in the vehicles Spray, Seaglider and Slocum models described here including battery-and thermal-powered propulsion, different depth and speed  ...  In missions with electric-powered gliders, 60-85% of the energy consumed goes into propulsion, so a thermal-powered glider may have a range 3-4 times that of a similar electric-powered vehicle.  ... 
doi:10.1201/9780203522301.ch3 fatcat:apfcc7sbszcr3eeqgp4fguox5u

Marine Renewable Energy Seascape

Alistair G.L. Borthwick
2016 Engineering  
A new generation of engineers is needed with the ingenuity and spirit of adventure to meet the global challenge posed by MRE.  ...  The article concludes with a sustainability perspective on the MRE seascape encompassing ethics, legislation, the regulatory environment, governance and consenting, economic, social, and environmental  ...  Tidal kite turbines, such as that shown in Fig. 4(h) , are tethered paravanes that fly underwater, converting the kinetic energy of the current into electricity.  ... 
doi:10.1016/j.eng.2016.01.011 fatcat:2uxvweqyxfbp5fscwxpgjewci4

Key Technologies and Instrumentation for Subsurface Exploration of Ocean Worlds

Bernd Dachwald, Stephan Ulamec, Frank Postberg, Frank Sohl, Jean-Pierre de Vera, Christoph Waldmann, Ralph D. Lorenz, Kris A. Zacny, Hugo Hellard, Jens Biele, Petra Rettberg
2020 Space Science Reviews  
The exploration of their oceans requires landing on the surface, penetrating the thick ice shell with an ice-penetrating probe, and probably diving with an underwater vehicle through dozens of kilometers  ...  The required key technologies include power generation, communications, pressure resistance, radiation hardness, corrosion protection, navigation, miniaturization, autonomy, and sterilization and cleaning  ...  We would also like to thank the International Space Science Institute (ISSI) and in particular the organizers and sponsors of the workshop "ExoOceans: Space Exploration of the Outer Solar System Icy Moons  ... 
doi:10.1007/s11214-020-00707-5 fatcat:yt4g2zqnwvfsbfl7doqjeffio4

Design and Pitch Angle Optimisation of Horizontal Axis Hydrokinetic Turbine with Constant Tip Speed Ratio

Suyash Nigam, Shubham Bansal, Tanmay Nema, Vansh Sharma, Raj Kumar Singh, H.L. Yuan, R.K. Agarwal, P. Tandon, E.X. Wang
2017 MATEC Web of Conferences  
attack (AoA), thus maximising the power output.  ...  A blade model is thus developed for visualisation using computer aided designing after obtaining optimal chord lengths and pitch angles.  ...  Electric Kite (UEK) Corp  ... 
doi:10.1051/matecconf/20179506004 fatcat:pmgup4pztrcnllkfvj6ve2mmw4

Harvesting Energy from Ocean: Technologies and Perspectives

Muhammed Zafar Ali Khan, Haider Ali Khan, Muhammad Aziz
2022 Energies  
The optimal utilization of renewable energies is a crucial factor toward the realization of sustainability and zero carbon in a future energy system.  ...  Ocean tidal, osmotic, wave, and thermal energy sources have yearly potentials that exceed the global power demand of 22,848 TWh/y.  ...  First, as previously stated, power is generated in a closed-cycle system.  ... 
doi:10.3390/en15093456 fatcat:qp3kp3rhljcmtoxd3nixkzftfe
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