A CW
 Captain
Flight distance : 14177772 ft
United Kingdom
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This is the official line from DJI:
Visual Inertial Odometry (VIO)
A combination of VIO technology and the new positioning algorithm has doubled the Mavic Air's precision positioning. VIO technology calculates the speed and attitude of the aircraft in real-time and locates it, making dual-camera attitude measurements while hovering or flying at any speed. The working range of the vision positioning system is now 0.5 to 30 meters. With VIO technology, the Mavic Air hovers more precisely indoors and responds better to complex environments with finer control stick movement.
3D Map Building
Equipped with an advanced sensing system, the Mavic Air locates itself with accuracy and precision. By processing data from the seven cameras at the front, bottom, and rear of the body, alongside the advanced infrared sensors and IMU, the Mavic Air will construct a 3D map by sensing the environment in real time, which significantly improves overall flight safety.
Advanced Pilot Assistance Systems (APAS)
APAS is the result of DJI’s extensive research on flight path calculation. Users can keep flying forwards and backwards, and APAS will plan an appropriate flight path to bypass obstacles automatically.
Multiple Redundancies
Besides dual IMUs, FlightAutonomy 2.0 has more redundant modules to increase the Mavic Air’s safety level. The Vision Compass will assist the navigation system to estimate flight direction when the compass experiences interference. When only one direction of the front, bottom, or rear vision systems is functioning normally, the aircraft will still position itself successfully. There are two sets of sensor fusion algorithms based on two independent hardware platforms. When an error occurs to one set of algorithms, the aircraft will switch to the other pair seamlessly to resume normal functionality.
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