Research Come Up With “Safe” Drones

In an advanced development for drones, researchers have developed a new technology that enables drones to mimic human sense of balance to recover stable flight from any position and land autonomously in failure situations.

Moreover, it will also help to launch drones by simply tossing them into the air like a baseball.

Drones will be safer and smarter, with the ability to identify safe landing sites and land automatically when necessary.

Professor Davide Scaramuzza, co-inventor and director of the Robotics and Perception Group at the University of Zurich, said the new technology allows safe operation of drones beyond the operator’s line of sight, which is crucial for commercial use of drones, such as parcel delivery.

The growing popularity of drones has also raised major safety concerns because they. can run out of power, forcing them to land immediately. It is therefore necessary to be able to detect safe landing spots and properly execute landing operations.

Furthermore, potential crash situations arise when drones temporarily lose their global positioning system (GPS) information, for instance, when flying close to buildings where GPS signal is lost.

In such situations, it is essential that drones can rely on back-up systems and regain stable flight.

The drones of the research group are equipped with a single camera and acceleration sensors. Their orientation system emulates the human visual system and sense of balance.

How the technology works?
As soon as a toss or a failure situation is detected, computer-vision software analyzes the images to identify distinctive landmarks in the environment and restore balance.

All image processing and control runs on a smartphone processor onboard the drone. This renders the drone safe and able to fulfill its mission without any communication or interaction with the operator.

Matthias Faessler, co-inventor of the technology and researcher in Scaramuzza’s group said, the system works similarly to a tight-rope walker.
The same software builds a 3D model of the environment, which is used to group the terrain beneath the drone into risky and safe landing sites.

If an emergency landing is required due to low battery or system failure, the drone will automatically detect and land on a flat, safe location without any human intervention.

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