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Application Note: AHRS in UAVs

An unmanned system requires precise navigation and guidance information in a reduced size and weight for its autonomous flight. Controlling an aerial vehicle is a challenging and risky task, therefore, it is important for the sensor suite to be reliable and field-proven with the capability of delivering data quickly and accurately about the vehicle’s attitude and direction. 

The evolution of MEMS technology has allowed us to be able to count on high-quality attitude and heading measurements in a lightweight device with a reduced size, but at the same time, with great reliability. 

One of the cornerstones of UAV Navigation is its in-house developed AHRS devices with advanced algorithms that fuse the data provided by multiple sensors (GNSS, airspeed, magnetometers, gyroscopes, accelerometers, etc) and has proven its cutting-edge performance in dead reckoning and challenging conditions even against FOG units (used in manned aviation, much heavier, and bigger).

This way, clients are able to take advantage of all the potential features and the experience invested to develop the POLAR-AHRS family and use it in their UAV platforms. They will be able to use the data stream from our tested and optimized attitude and heading reference system to develop their own Flight Control Computer (FCC).

Contact us to start using the most accurate data on your algorithms!

Featured Products: POLAR-300 & POLAR-500 

The POLAR family is a high-end, Microelectromechanical Systems-based (MEMS), Air Data Attitude and Heading Reference System (ADAHRS), and Inertial Navigation System (INS). It has been designed for system integration in avionics and other attitude sensing applications.


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UAV Navigation is a privately-owned company that has specialized in the design of flight control solutions for Unmanned Aerial Vehicles (UAVs) since 2004. It is used by a variety of Tier 1 aerospace manufacturers in a wide range of UAV - also known as Remotely Piloted Aircraft Systems (RPAS) or 'drones'. These include high-performance tactical unmanned planes, aerial targets, mini-UAVs and helicopters.