IKE's Posts (28)

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Τhis video shows tethered quadrocopters flying steadily together at high speeds exceeding 50 km/h in a confined space. With the tether exerting more than 13 gs of centripetal force, multiple quadrotors are able to fly 1.7m- radius circular trajectories in formation across different orientations in space and then successfully perform a coordinated braking maneuver.

This research was conducted at the Flying Machine Arena at ETH Zurich, read more on Robohub.

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Amazon Prime Air gets an updated FAA exemption


In a 9-page legal letter, with 28 itemized conditions and limitations, the FAA issued an exemption to Amazon to enable Prime Air to test in US airspace.

The FAA letter, dated April 8th, was filled with pages of legalese, but still limits testing to VLOS (visual line of sight) instead of autonomous flight, and flight controlled by a human operator. Amazon’s drones can not fly faster than 100 miles per hour, fly higher than 400 feet above ground level, and can not weigh more than 55 pounds, according to the letter.


Read more onRobohub

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Researchers from the Robotics and Perception Group from the University of Zurich, developed a new technology that allows a quadrotor to automatically recover and stabilize from any initial condition without relying on external infrastructure like GPS. The technology allows the quadrotor system to be used safely both indoors and out, to recover stable flight after a GPS loss or system failure. And because the recovery is so quick, it even works to recover flight after an aggressive throw, allowing you to launch a quadrotor simply by tossing it in the air like a baseball.

More info: Robohub Robotics and Perception Group, University of Zurich.

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Drones are making their mark in entertainment.


This fall, Fjuze – an entertainment company from the Netherlands – hopes to launch a massive drone entertainment show at the Amsterdam Arena. Aptly called AIR, the event is slated to feature an as yet unspecified (but presumably large) number of drones performing “ballet and battles,” “races and lasers,” and “circus and illusions.” That such a large-scale entertainment event featuring drones is even being planned at all speaks volumes about the mainstreaming of drone culture.

Given the opportunity of the AIR show described above, Hallie Siegel wrote an overview on the general state of drones in entertainment, read more on Robohub: From sideshow to main event, drones are making their mark in entertainment

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This 5-minute short film featuring quadrotors was produced in collaboration between the entertainment company Cirque du Soleil, researchers at ETH Zurich’s Flying Machine Arena, and their spin-off company Verity Studios. Everything you see is real — no CGI, wires, or speed-ups/slow-downs were used in the production of the film.

Read the full article on Robohub

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Fukushima photo essay by Drone Adventures


Drone Adventures teamed up with Taichi Furuhashi, researcher at the Center for Spatial Information Science at the University of Tokyo and mapped three unique towns in Fukushima district: Iidate village, Hisanohama, and Tomioka.

Read more below about the details of this project and don't forget to look at the high-resolution interactive maps created by Drone Adventures:


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This video presents the latest iteration of  IDSC's Flying Machine Arena failsafe algorithm (previous post here). In this video there's a pilot flying the quadrocopter while the algorithm is executed on the quadrocopter's onboard micro-controller. The only sensors required are the quadrocopter's angular rate gyroscopes.

You can read more on the description of the video ( https://www.youtube.com/watch?v=ek0FrCaogcs

You can read an older article about the failsafe algorithm mentioned above with more details and photos here:

Quadrocopter failsafe algorithm: Recovery after propeller loss

(take a look at the comments below!) 

You can also read Robohub's coverage on Amazon's Prime Air and other Quadcopter related articles.

(video link via M.Waibel)

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Quadrocopter failsafe algorithm


Mark Mueller from the Flying Machine Arena website and the IDSC presents on Robohub a new failsafe algorithm that enables a quad to remain under control even after the loss of a propeller. The video shows up a quad that intentionally loose a propeller, with and without the new failsafe algorithm:

You can read the full article with more details and photos here:

Quadrocopter failsafe algorithm: Recovery after propeller loss

(don't forget to take a look at the comments below!) 

You can also read Robohub's coverage on Amazon's Prime Air and other Quadcopter related articles.

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Raffaello D’Andrea, and the ETH Flying Machine Arena will perform a demo on TED Global. Take a look at the preparation behind the scenes exclusively on Robohub:


There'll be more in-depth coverage, you can find all TED Global 2013 articles on Robohub here: http://robohub.org/tag/tedglobal2013/

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Quads Throwing and catching an inverted pendulum



[copying from Robohub]


Two of the most challenging problems tackled with quadrocopters so far are balancing an inverted pendulum and juggling balls. My colleagues at ETH Zurich’s Flying Machine Arena have now combined the two.


As part of his Master thesis Dario Brescianini, student at ETH Zurich’s Institute for Dynamic Systems and Control, has developed algorithms that allow quadrocopters to juggle an inverted pendulum. If you are not sure what that means (or how that is even possible), have a look at his video “Quadrocopter Pole Acrobatics”:



You can read the full article with much more details and other photos here:


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Angela Schoellig and the Flying Machine Arena team at ETH Zurich have developed and implemented algorithms that allow their flying robots to race through an obstacle parcours – and learn to improve their performance. The robot (a quadcopter on this example) learns from its mistakes and it improves its perfmormance and accuracy every time it performs a certain task.

You can read the full article and watch the videos on Robohub | Quadrocopter learns from its mistakes, perfects air racing 

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Flying Robots Cooperate, Throw and Catch Balls


New video from ETH Zurich’s Flying Machine Arena, you can read more on Robohub


PS. Robohub.org is an online platform that brings together leading communicators in robotics research, start-ups, business, and education from around the world. We just launch the beta version, take a look! http://robohub.org/

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