DJI's A3 flight controller is here, complete with new attitude determination and multi-sensor fusion algorithms that improve the its control accuracy when compared to previous models. There's also a new, robust control algorithm which enables the A3 to be adapted to a wide range of aircraft without the need for manual tuning.
The A3 supports D-RTK GNSS which allows for ‘centimetre-level’ positioning accuracy, much more so than a GPS and barometer solution. This ensures that both you and the craft are always aware of its location.
Featuring dual antennas, the A3’s heading reference is more accurate than a compass sensor and depending on the region of purchase, the controller will utilize ‘GPS and BeiDou’ or ‘GPS and GLONASS’ to perform at the highest standards.
The implementation of a fault-tolerant control system enables a pilot to land their craft safely if they encounter any problems during their flight. This is true even of something as drastic as a propulsion system failure.
With an upgraded flight controller, comes an improved assistant. The DJI Assistant 2 is packed with features but still highly intuitive, making it easy to set up DJI’s varied range of aerial systems. There’s also a built-in flight simulator which lets you try out complex moves ahead of time without the risk of causing damage to your drone.
The A3 flight controller provides customers with a variety of possible solutions involving D-RTK GNSS, smart ESCs, intelligent batteries, and Lightbridge 2. With on-board and mobile SDKs, custom-built applications can access flight data, and even control the aircraft, gimbal, and camera. Dedicated hardware interfaces allow professionals to craft their ideal aerial system by adding a range of actuators and sensors.
DJI have completely overhauled the Ground Station to support touch screen interaction, offline mission design, route planning and even formation flight for multiple aircraft.
Another addition, DataLink Pro, integrates seamlessly with the A3 and D-RTK as well as the Ground Station, which allows up to five aircraft to be controlled from one unit. A broadcast mode lets the base station broadcast data to 32 mobile devices and a duplex mode keeps data locked to one device. This works up to a range of 2km.
As well as boasting all of the aforementioned features, the upgraded A3 Pro model offers users a greater degree of precision.
The A3 Pro is equipped with three IMUs and three GNSS units, with additional analytics allowing for a total of six redundancies. Working together with advanced diagnostic algorithms, if the A3 Pro detects GNSS or IMU unit failure during flight, it seamlessly switches to another unit to maintain reliability and precision.
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