Drone Show Enabled by u-blox Positioning Technology

October 29, 2020 Tiera Oliver

u-blox announced that it supplied the technology that made it possible to fly the world’s largest swarm of drones. The flight of 2198 miniature UAVs (unmanned aerial vehicles) was launched into the night sky over Saint Petersburg, Russia, on September 3. The ten-minute long drone show included a flying dove with a wingspan of 600 meters, which was visible from three kilometers away.

Geoscan, which built and programmed the drones and ran the display, chose u-blox positioning technology for its ability to access positional data from both the GLONASS and GPS satellite navigation constellations. The Geoscan Salute drones, which are just ten centimeters across, were designed for use in group flights and drone shows. The drones use u-blox NEO-M8P high precision GNSS modules to provide the positioning data necessary to ensure that they can be placed in the sky with a high degree of accuracy. Per the company, this makes them less likely to collide with each other and enables them to be moved more quickly and efficiently. The end result is a more fluid drone show, in which the improved positional accuracy of each drone contributes to a better overall display and contiguous figure forms. Salute drones can also return to their base stations automatically at the end of a show.

The NEO-M8P high precision GNSS module used in the Salute drones implements a real-time kinematic (RTK) approach that, per the company, improves positional accuracy by comparing the phase of a signal being broadcast from a positioning satellite with that of the same signal that has been received and re-broadcast from a fixed base station. The accuracy gained in this way enables drones to calculate their relative positions to within millimeters, and their positions to within one centimeter of the intended position.

Geoscan has been producing drone displays for the past two years, starting with just 40 drones flying at once.

For more information, visit: www.u‑blox.com or  https://www.geoscan.aero/en

About the Author

Tiera Oliver, edtorial intern for Embedded Computing Design, is responsible for web content edits as well as newsletter updates. She also assists in news content as far as constructing and editing stories. Before interning for ECD, Tiera had recently graduated from Northern Arizona University where she received her B.A. in journalism and political science and worked as a news reporter for the university's student led newspaper, The Lumberjack.

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