Drone’S-MAD learned how to take off and land on a vertical surface

Scientists from the University of Sherbrooke have long been interested in the ability of birds to fly successfully land on inappropriate objects, like cliffs or smooth tree trunk. After months of work and many thousands of simulations aerodynamic simulations they have created a machine that recreates the effect.

Drone’S-MAD (Sherbrooke”s Multimodal Autonomous Drone) looks like a small airplane and flies it is an aircraft with great speed, without the ability to hover in place. Therefore, the planting process looks so: at a speed of 7-9 m/s the laser sensor detects the obstacle, a vertical wall, and gives the command to slow down to 1-3 m/s, plus to perk up the drone. It becomes parallel to the wall and clings to her chassis.

The special suspension absorbs the kinetic energy from the blow, and hooks microfiber “stick” to any rough surface. The drone can hang on a plastered concrete wall or masonry, and some natural materials. Adhesive force is not large enough to hold still and cargo on Board, only the airplane itself. But hanging him in a passive mode indefinitely, and take off at any moment – thrust engine will be enough to tear the machine from the wall.

What’s the function of the drone? For example, to a lightweight, low-power unit can “rest” to recharge the batteries after a session of flight. It is not always advisable to drive circles around the studied object, it is sometimes advantageous to hang on the wall, turning to the camera. But if you run out of energy in the batteries, the drone is just left hanging and not tumble to the ground and rolled into some distant corner.

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