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A study on filtering aspects of airborne wind energy generators is presented. This class of renewable energy systems aims to convert the aerodynamic forces generated by tethered wings, flying in closed paths transverse to the wind flow,…

Systems and Control · Computer Science 2013-07-15 Lorenzo Fagiano , Khahn Huynh , Bassam Bamieh , Mustafa Khammash

An approach to control tethered wings for airborne wind energy is proposed. A fixed length of the lines is considered, and the aim of the control system is to obtain figure-eight crosswind trajectories. The proposed technique is based on…

Systems and Control · Computer Science 2013-08-27 Lorenzo Fagiano , Aldo U. Zgraggen , Manfred Morari , Mustafa Khammash

In this paper we present AWEsome (Airborne Wind Energy Standardized Open-source Model Environment), a test platform for airborne wind energy systems that consists of low-cost hardware and is entirely based on open-source software. It can…

Systems and Control · Computer Science 2017-05-01 Philip Bechtle , Thomas Gehrmann , Christoph Sieg , Udo Zillmann

Renewable and sustainable energy is one of the most important challenges currently facing mankind. Wind has made an increasing contribution to the world's energy supply mix, but still remains a long way from reaching its full potential. In…

Neural and Evolutionary Computing · Computer Science 2022-12-05 Richard J. Preen , Larry Bull

The problem of launching a tethered aircraft to be used for airborne wind energy generation is investigated. Exploiting well-assessed physical principles, an analysis of three different take-off approaches is carried out. The approaches are…

Optimization and Control · Mathematics 2015-10-23 Lorenzo Fagiano , Stephan Schnez

The design of a prototype to carry out take-off and flight tests with tethered aircrafts is presented. The system features a ground station equipped with a winch and a linear motion system. The motion of these two components is regulated by…

Systems and Control · Computer Science 2017-05-01 Lorenzo Fagiano , Eric Nguyen-Van , Felix Rager , Stephan Schnez , Christian Ohler

Airborne Wind Energy (AWE) refers to a novel technology capable of harvesting energy from wind by flying crosswind patterns with tethered autonomous aircraft. Successful design of flight controllers for AWE systems rely on the availability…

Optimization and Control · Mathematics 2018-07-27 Giovanni Licitra , Adrian Bürger , Paul Williams , Richard Ruiterkamp , Moritz Diehl

This paper describes variable speed wind turbine (Types 3 and 4, IEC 61400-27-1) simulations based on an open-source solution to be applied to Bachelor and Master Degrees. It is an attempt to improve the education quality of such…

Systems and Control · Electrical Eng. & Systems 2021-03-03 Ana Fernández-Guillamón , Angel Molina-García

A control design approach to achieve fully autonomous take-off and flight maneuvers with a tethered aircraft is presented and demonstrated in real-world flight tests with a small-scale prototype. A ground station equipped with a controlled…

Systems and Control · Computer Science 2017-02-17 Lorenzo Fagiano , Eric Nguyen-Van , Felix Rager , Stephan Schnez , Christian Ohler

The production of renewable and sustainable energy is one of the most important challenges currently facing mankind. Wind has made an increasing contribution to the world's energy supply mix, but still remains a long way from reaching its…

Neural and Evolutionary Computing · Computer Science 2015-07-02 Richard J. Preen , Larry Bull

Airborne wind energy systems aim to generate renewable energy by means of the aerodynamic lift produced by a wing tethered to the ground and controlled to fly crosswind paths. The problem of maximizing the average power developed by the…

Systems and Control · Computer Science 2014-09-23 Aldo U. Zgraggen , Lorenzo Fagiano , Manfred Morari

This paper presents a laboratory setup usable for the design and testing of a Wind Energy Conversion System respectively their control solutions. The stand can be used for research or in the engineering educational system offering the…

Systems and Control · Computer Science 2018-07-23 Cristian Vasar , Octavian Prostean , Ioan Filip , Iosif Szeidert

Real-time altitude control of airborne wind energy (AWE) systems can improve performance by allowing turbines to track favorable wind speeds across a range of operating altitudes. The current work explores the performance implications of…

Systems and Control · Electrical Eng. & Systems 2020-01-22 Laurel N. Dunn , Christopher Vermillion , Fotini K. Chow , Scott J. Moura

A wind turbine works with the principle of extracting energy from the wind to generate electricity. The power generated is directly proportional to the wind speed available. There are two major types of wind turbine design namely the…

Signal Processing · Electrical Eng. & Systems 2018-07-30 Aravind CV , Rajparthiban R , Rajprasad R , Grace I , Rozita Teymourzadeh , M. Norhisam

The control design of an airborne wind energy system with rigid aircraft, vertical take-off and landing, and pumping operation is described. A hierarchical control structure is implemented, in order to address all operational phases:…

Systems and Control · Electrical Eng. & Systems 2021-03-26 Davide Todeschini , Lorenzo Fagiano , Claudio Micheli , Aldo Cattano

The rapid uptake of renewable energy technologies in recent decades has increased the demand of energy researchers, policymakers and energy planners for reliable data on the spatial distribution of their costs and potentials. For onshore…

In the 21st century, our world is facing difficult conditions for serious environmental pollution and the problem of energy shortage. An innovative idea has emerged to recycle wind energy from air conditioning condenser fans in outdoor…

A new form of aerostat wind generation system which contains an array of interacting turbines is proposed. The design of the balloon turbine components is undertaken through the combination of artificial intelligence and rapid prototyping…

Neural and Evolutionary Computing · Computer Science 2018-11-14 Larry Bull , Neil Phillips

Innovation and development of renewable energy devices are crucial for reaching a sustainable and environmentally conscious future. This work focuses on the development of a new type of renewable energy devices in the context of Smart…

Computational Engineering, Finance, and Science · Computer Science 2024-10-18 Dongkun Han , Shihan Huang , Pak Kei Abia Hui , Yue Chen

Airborne Wind Energy is a lightweight technology that allows power extraction from the wind using airborne devices such as kites and gliders, where the airfoil orientation can be dynamically controlled in order to maximize performance. The…

Fluid Dynamics · Physics 2022-03-29 N. Orzan , C. Leone , A. Mazzolini , J. Oyero , A. Celani
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