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2023 DJI All Rights Reserved.
AGRAS T40/T20 P
Unmanned Aircraft Flight Manual
Flight Control Surfaces
Not applicable for multicopters.
Propulsion System
The propulsion system consists of motors, ESCs, and folding propellers, to provide stable and
powerful thrust.
T40 T20P
Avionics
The avionics includes an aerial-electronics system, image transmission system, binocular vision and
radar system, spraying control board, and FPV module.
Flight Control and Navigation System
The ight control and navigation system built into the aircraft is integrated with modules such as the ight
controller, IMU, barometer, GNSS receiver, RTK module, and compass, providing stable and reliable
navigation and control. The dedicated industrial flight controller provides multiple flight modes and
operation modes for various applications. The GNSS+RTK dual-redundancy system is compatible with
GPS, GLONASS, BeiDou, and Galileo. The aircraft also supports centimeter-level positioning when used
with the built-in onboard D-RTK antennas. Dual-antenna technology provides strong resistance against
magnetic interference.
Communications Equipment
The aircraft boasts two OcuSync image transmission antennas and DJI O3 Agras image transmission
system, offering a maximum transmission range of 7 km for communication with the remote controller.
FPV Module
Equipped with the UHD FPV camera with a tiltable gimbal, the aircraft can automatically collect
HD field images for local offline reconstruction to assist in precise field planning. Furthermore, the
bright spotlights double the night vision capabilities of the aircraft, creating more nighttime operation
possibilities.
Binocular Vision and Phased Array Radar (Detection and Obstacle Avoidance System)
Prole
The aircraft spatial intelligent sensing system consists of the binocular vision system, active phased array
omnidirectional radar, and active phased array backward and downward radar. In an optimal operating
environment, the radar module can predict the distance between the aircraft and the vegetation or other
surfaces in forward, backward, and downward directions to y at a constant distance and ensure even
spraying and terrain following. The system can detect obstacles in all horizontal directions as well as
upward and backward to ensure ight safety. In addition, the ight control system limits the descent
speed of the aircraft according to the distance between the aircraft and ground detected by the radar
modules to achieve a smooth landing.
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