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Shoot down the drones you can use sound, disabling them onboard gyroscopes - VIDEO PDF Print E-mail
Sunday, 16 August 2015 15:56
South Korean engineers have learned to shoot down the drones with sound, disabling them onboard gyroscopes. Electronic gyroscope constantly collecting data about the orientation, inclination, direction drone allows the unit to automatically align during the flight, and thus keep the balance.  Electronic devices of high quality so designed to resonate only at high frequencies (beyond the sounds that a person hears) - to the sounds of nature and civilization do not interfere with their work. However, Korean researchers found in many drones used cheap gyros, which are easy to begin to resonate in response to some common sounds. When the gyro begins to resonate and vibrate, it loses its ability to keep track of your balance. The device starts to continuously adjust the speed of the rotor, which soon makes the UAV to fall. Not yet solved the problem of range. To induce resonance sound waves must be powerful enough: the drone was able to knock down only when the speaker was attached directly to the body of the aircraft. However, the researchers suggest that in the future it will be possible to shoot down drones and remotely. For this will be enough 140 dB (at a distance of 40 meters). In addition, law enforcement agencies already have acoustic weapons are not lethal effect, hit the target within a radius of 9 km. If you set these sound cannons on the right wave, they can stifle gyros drones, condemning them to a free drop.