Researchers at the University of Zurich, Switzerland, develop an innovative flight control system for drones that can end accidents involving small robots. The idea is to attach a number of sensors and systems for monitoring operation of flying robots, avoiding risks of accidents. Through reading environment in which it is, the system can prepare for GPS signal loss and ensure that the flight to continue safely.
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One of the major problems for those using drones navigating via GPS, and for companies looking to develop automated delivery systems is the signal loss in certain situations. In a shady area, the drone loses the location and the connectivity gap with GPS is long enough, it may fall and end up lost.
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The system developed by Swiss scientists seeks to resolve this problem. Attaching a microprocessor, a camera, an inertial sensor and a distance sensor, the system created in the university allows the drone, in case of GPS signal loss, calculate its distance to possible obstacles and keep the steady flight until the connection is recovered. More than monitor the flight constantly in search of landmarks on the ground, the camera creates a 3D map of the soil, identifying plans points and steep so that the system has enough data in choosing possible landing sites.
In more complicated situations, in which the system detects that the equipment is in decline, or in places with strong wind, the camera works to locate landmarks in the vicinity. The information is combined with readings from other sensors so that the drone can resume the flight safely. In cases where the return flight is impossible, the technology takes over to initiate a landing procedure safely.
In development, it is not known when this type of resource will be available to the market. However, the system seems quite evolved, since it is able to control drones at risk even in narrow aisles.
In the video below, notice that you can launch the drone in the air and, Instantly, the system takes control of the flight, preventing a fall. According to the researchers, no matter the initial state of the drone, the machine will always have time to control it.
Via University of Zurich and Gizmag
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