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Wednesday, 27 March 2019

DelFly Nimble, When Drones Take The Fly


Dutch researchers have created a prototype fly-drone that is remotely controlled by radio waves. The aim of the robotics is to reproduce as closely as possible the flight of the Drosophila to discover the secrets of their aerial acrobatics which allow them to escape the predators and the traps set by the arbori-culturists.

For some years now, orchards in Europe have been faced with the invasion of an Asian fly that shambles all our citrus fruits. With its ogre appetite and its "surprise" attacks, the Drosophila called Suzuki compels arbori-culturists to resort to massive phytosanitary products in an attempt to save their fruit crops. This environmentally damaging chemistry, which destroys biodiversity and affects our health, is also ineffective in combating the proliferation of these invading Voltigeurs. But the aerial agility, which shows the critter, ended up challenging the roboticiens laboratory "biomimetic" of the Delft University of Technology in the Netherlands. After creating an entirely autonomous dragonfly-inspired insect drone, which moved only with the flapping of its wings, the Dutch researchers designed their new flying robot using the fruit fly as a model. The cybernetic animal that meets the name DelFly Nimble is a featherweight of 29 grams and measures 33 centimetres in wingspan. And question agility, the machine is a device of high aerobatics, realistically performing all the acrobatics that are capable of its biological cousins. Up and down, forward, backwards, sideward, hovering, 360° Cturning, and sudden change of direction, the flying drone can be easily piloted with a simple radio control! The robotic insect is equipped with two independent wing flapping mechanisms coordinated by two servomotors loaded respectively with the angle and the orientation of its wings to maintain the course or to move on three axes in 3-dimensional airspace. Ride my non Troppo! With its top speed of 25 k / h, the robotic insect suffers from a lack of autonomy: 5 minutes of flight will be enough to flatten his batteries. The fly-dragon designers, on the other hand, believe that he is ready to perform "many tasks in the real world". Yes, but which ones? Orchard pollinator or spy-drone? Motus and mouth stitched, replicate Dutch roboticiens taking the fly.

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