KiteGen was one of the first companies to test the Earth’s
Earth prototype. KGR technology is based on C-kite, which contains
sensor-equipped on-board electronics and is controlled by two power lines from
the ground control station. The first model, named KSU1, has been tested
successfully for several years in 2006 (referred to as the Unification of
Books), and the company focused on the development of a new generator called
“KiteGen Stem'” with 3 MW The rated capacity. In this system, the
rope is wrapped around a special winch and driven by a pulley system to a kite
arc or semi-rigid wing through a flexible 20 meter pole called a
“stem.” The trunk is connected to the top of the console by axle and
horizontal axis.

The most important cadre functions are: (1)
Kite support and kite flying, (2) damping of peak forces in ropes. The entire
control station can be azimuthally rotated so that the rod has two degrees of
freedom with respect to the Earth. The concept of “Stem” was first patented in 2008 and is now being adopted by more and more
companies and universities. At the beginning of the takeoff, the kite is upside
down at the end of the leg. Once the kite has taken off, start the production
phase: automatic control of the work of driving two ropes on the kite, making
the kite and the tripped “zigzag-shaped path.” At the same time,
ropes are not caused by levers; power generators convert mechanical energy into
electrical energy.

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The company’s goal is to pull the cable with
minimal power consumption thanks to the special operation of “sliding
side” or “report.” The side slide is different in flight mode,
one of them investigating the kite to lift the air through the front and the
other so that the kite loses lift and “stall” and grinds on the first
rope and then, once in a standstill, restarts all the lines at the same speed
and the kite speed up the flight. This operation can be done with a flexible
foil kite or semi-rigid wings. At this stage, the energy absorbed by the
motor-generator is absorbed by the trailing speed of the rope multiplied by the
force of the air resistance generated by the fly-side slip mode. This energy
consumption is only a fraction of the energy produced during the production
phase. After the cords are rewound (less than the total length of the rope to
take advantage of only the highest winds) and other specific maneuvers, the
glide flight and the air force wind over a certain length of kite.

At this point a pumping cycle is over and the
new production phase begins. CR patented the development of a special aerobic
rope, to improve endurance, improve system performance. In addition, KR also
plans to produce cranberries abroad using dry stem technology of wheat due to
the very promising oasis abroad. Kitenergy

Another Italian company, Kitenergy, was
founded by a former Kittigen partner and developed a similar concept by
controlling foil kites with two ropes. The company’s prototype has 60 kilowatts
of rated power. Kitenergy also offers a different G-AWESS patent, which
includes a single-engine generator-based system that controls the winding and
disassembly of two or more cables while the other operator provides
differential control of the cables used program. Another model developed by its
founder, Lorenzo Vagiano, achieved a four-hour stand-alone flight at the
University of California, Santa Barbara in 2012 with no energy production. SkySails Power

German company SkySails
Power is developing a wind-driven system for kite-type cargo ships. A few years
ago a new division of the company “SkySails Power” was formed to develop GE OCEs based on the
technology used by the SkySails vessel payment system. Two products are under
development: 250-kilowatt and 1-megawatt UIS handsets and OCEs from 1 to 3.5
megawatts. SkySails is based on a control kite with a single
rope that controls the length of the kite to guide the kite and change the
angle of the kite. A power control box is provided and connected to the ground
station via an embedded cable. SkySails also has a patented launch and recovery
system designed to fill kites in storage bins. It consists of a telescopic mast
and a special device on the head that grips, holds and releases the center of
the leading edge paper. When the system is shut down, the mast is pressed into
the storage compartment with a vacuum kite.
At launch, the mast extends vertically from the outside to form a blank kite a
few meters above the surface (or sea level). The kite is then inflated to the
appropriate shape and hardness for the production phase. Kite takeoff uses only
the natural wind on a kite to boost power: The mast’s top system starts with a
leading pilot airplane and starts a dart to control flies and launch ropes to
bring the kites to full working height. Although energy production phases are
similar to K generators, SkySails have different recovery phases. Specifically,
SkySails uses a high speed winch on the reels while the kite remains at the
edge of the window. Then, the kite is sprayed directly onto the wind without changing
the attack angle of the kite. Although at first glance it may seem intuitive,
this stage of recovery has proven to be competitive. TwingTec

Twingtec a Swiss company is developing 100 kilowatts of electricity.
Tried many concepts, including soft wings and solid wings, the team now
addresses the issue of automated take-off and landing. The innovative concept:
The glider’s rotor is embedded perpendicular to the wing’s axis of rotation.
Use circles during takeoff and landing. The company intends to install
generators and substation equipment in a standard 20-foot container for easy
off-grid and remote market targets. The AWES power supply is continuously
reliable thanks to the integration of a conventional diesel generator. TU Delft

Delft University of Technology, the first
search in the wind started by the former astronaut in the air, Professor
Oockels, in 1996, was founded by Oockels in 2004 and dedicated to the research
team that started the technology push to the prototype stage.
Recently, Delft University of Technology and Karlsruhe University of Applied
Sciences have launched a joint venture to further develop and test portable 20
kW experimental kite generators.

The main objective of the project is to improve the reliability and durability
of the technology and to sustain the 24-hour process in the coming months.
Currently, they are using the third edition of a special kite kite design in a
25-square-meter suite that was developed with Genetrix / Military Camblong. With auto-start setting, the wings are
automatically operated from its Skililes system fully functioning as its 20kW
from 2012. This mode is based on single-rope and pod portable control air and
controls the power and depowering angle of attack during the production and recycling
phases, respectively. An automated kite recovery and operation system is being
built for a 100-square-meter night-time aircraft. In the past, the team tested
several types of wings, such as kite chips and toolboxes. TU Delft was also tested as a substitute for kite control: the tip
of the vehicle and rail system connected to RAM used to convert the attachment
points of two skull lines. With this system, the wing can be wired and cleaned
with minimal energy input. Finally, the concept is very complex and very
sensitive to deviations from the nominal process. Ampyx Power

The first company to develop a glider is the Dutch energy company. After
several models of development, two 5.5-meter “BURLAN”, AB-2 A1 and
AP-2 A2 are currently being developed and tested. Two officially registered
aircraft, using advanced avionics for automatic control. It is made of carbon
fiber and carbon fiber gears that combine on-board electronics with sensors and
engines. The onboard engine can drive the rudder, lift and four tractors. A
rope connects the glider to a winch on the ground station. Ampyx Energy is actually one of the few companies that has
developed OCE to automate the glider takeoff, pumping and landing cycles.
Maneuver take off and see a glider lying on the ground, far from the earth
station in the distance. When the winch begins to tow the ropes, the glider
moves to the ground and the glider takes off once the lift force exceeds
gravity. They also installed a catapult to take off and have a mountaineering
system. Glider flights are completely self-contained during normal operation,
but for safety reasons wireless coverage may sometimes be available from the
ground via autopilot backup. The pumping cycle is similar to the kite cycle.
The landing point of the glider is similar to the landing point of the aircraft
and is equipped with an interception line to stop the glider from taking off
again in the correct position. During the test drive in November 2012, the
system had an average power output of 6 kilowatts and a peak of more than 15
kilowatts (previous tests showed a peak energy output of 30 kilowatts). Ampyx has started designing its first commercial product: the
A-4 Buerplan, which has a 35-meter wingspan and a power equivalent to 2 MW of
“wind turbines.” EnerKite

German company EnerKite has developed a
portable Kate pump generator with a continuous power of 30kW. The earth station
on the truck is pivotally connected, allowing azimuth rotation. EnerKite mainly
uses foil kites, but Delta Kites and Rigid Sweeps are also under investigation
and testing. There are no sensors on the plane, according to this program, with
three ropes from the ground control. EnerKite is now developing a separate
launch and landing system for semi-rigid wings. The company plans to produce
100-kilowatt and 500-kilowatt systems. Windlift

The US Company Windlift has a concept similar to that of Enerkite.
Their 12 kW prototype uses SLE kites. They aim to sell their product to
the military and to off-grid locations. New companies

The lover community continues to grow and grow with fewer
people coming out to work each. Here are some startup companies worth
mentioning. Electric Kite was established in the Netherlands in 2013 and
developed a 50kW (g-o) based on a direct engine generator. The company is
currently building a rope that will fly at low altitude. Enviat, a Dutch
start-up 4, focuses on the next step in bringing Tu Delft-G to commercial
products. Kittimel in Norway started the G-Awes development. Early companies
became a rigid system of cable systems that experienced soft material control
and durability issues. Ewend Solutions is a U.S. company that develops
unconventional, low-altitude, rigid-wing g-eyes. KU Leuven

Since 2006, the University of Louvain has conducted a
positive study of AWES. After making an important theoretical contribution, the
team developed a test bed to launch a new program of glider. Hold the glider at
the end of the rotating arm before starting. As the arm starts to turn, the
glider is brought to flight speed and the rope is released allowing the glider
to gain altitude. They are currently developing a larger experimental test, 2
meters in length and 10 kW in winch. SwissKite Power

The collaborative research and development project SwissKite
Power began in Switzerland in 2009 and includes four laboratories of various
Swiss universities: the main street, electronic probes (Federal Laboratory for
Materials Science and Technology of Switzerland), ITH (Politishnak
Federal-Zurich) and Jade Po (Higher Bolachwik Federation Lausanne). The first
model tested between 2009 and 2011 was based on a single rope and a kite
controlled by a pod. The initial system worked according to this scheme,
similar to the Kittipur and Scissels models. In 2012, SwissKite Power developed a new ground station with 3 poles that can be
used with 1 or 2 or 3 lines to test the kite. They also tested planes that fly
kites and fly kites. The project was completed in 2013 and has been working
with Twingtech ever since. NASA Langley

At Langley Research Center, NASA conducted a study on
wind harvesting from airborne platforms, after which they developed an
AWES demonstrator based on a double-stranded
kite installed a vision-based system and sensors on the ground. Others

In addition to the main models listed above, many other
systems have been built. Wind tunnel test of small, non-bypassed, cross-section
outdoor test kites of the Grenoble University. Kenner Kite Control Project at
University of Sussex, UK. EHWK (Kite Wind Power) project Department of
Mechanical Engineering, University of Rouen. Kite Powered Water Pump from
Worcester Polytechnic Institute.

2.2.4 Moving-ground-station systems under development


In addition to the pumping system, the mobile earth
station offers many AWES concepts. Its main advantage is its ability to
generate energy continuously or nearly continuously. However, only a few companies
are developing OCEs with mobile ground stations and are developing more patents
and model studies. This section shows the G-AWESS list of earth stations
aggregated in numbers. KiteGen Research

The first mobile ground-based structure based on a
vertical-axis generator was again proposed by Sequoia Automation in 2004 and
obtained by KR. This concept is based on the architecture described. During
operation, lift is transmitted to a rotating frame that energizes the torque
about the main vertical axis. Torque and rotation are converted by the
generator into electricity. This system can be thought of as the vertical axis
of a wind turbine driven by force from the mooring plane. No prototype is currently
under development, but the concept has been studied in a simulation that shows
that 100 kites with an area of ??500 square meters can generate 1000 megawatts
of medium energy at a wind speed of 12 m / s . The orbital generator has a
radius of 1,500 meters and covers an area of ??about 50 times the cost of about
30 times the cost of a wind turbine with the same nominal power. NTS Energie

Kerr and the German company Nets Energy und Transport system
proposed an alternative system based on a ground station moving on a closed
circuit. As of September 2011, the Nets tested prototypes of four kite strings
controlled by a 400-meter, straight-track track on the vehicle’s moving orbit.
They are capable of generating up to 1 kW of wing area and testing kites 40
square meters. Finished product must be a closed-loop orbit, more vehicles
operate independently. Kitenergy

Kitenergy proposed another railway concept and based on the point
of view published in the 2004 Drachen Foundation Journal. The concept is based
on a pivot of a straight fixed rail on the ground. Then the direction of the
vertical track is adjusted to the main direction of the wind. The system’s
earth station is mounted on a wheeled cart that moves along a straight rail and
swings back and forth as the paper is pulled. The energy of the rotary
electromagnetic generator is extracted from the wheel or from the linear
electromagnetic generator on the rail. Energy production is not completely
continuous, because by reversing the direction of the car, energy production
will not only drop to zero, but it can also be slightly lower. However, in
theory it is possible to perform kite reflex manipulation without the need for
energy consumption. Laddermill

Although it cannot be
considered as a ground mobile device, it is important to note that the first
concept of continuous energy production was the Laddermill concept envisioned
by former astronaut Ockels in 1996.

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