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14.3 Downward Vision System
Downward vision system use the camera to get the
aircraft Position information, at the same time, can
use the Infrade senser to fix the aircraft attitude, to
ensure the aircraft precise positioning.
It is suitable for environments with altitude of less than
3 meters without GPS signal or with weak GPS signal.
Please make sure sufficient lighting of the environment
and rich patterns of the ground surface, as the
Downward Vision System identifies position variations
based on the ground surface.
The measuring accuracy of the Downward Vision System tends to be affected by illumination intensity
and pattern of the ground objects, so please use this function under the circumstances below with caution:
Monochrome surfaces(eg pure black, pure white, pure red, pure green)
Highly reflective surfaces
Water or transparent surfaces.
Surfaces of moving objects(eg stream of people, shrub or grass)
Places where the illumination conditions dramatically change.
Extremely dark(less than 10 lux) or bright(more than 10,000 lux) surfaces
Surfaces without clear patterns
Surfaces with highly repetitive patterns(eg checker bricks with the same color)
14.4 Infrared Obstacle Avoidance System
The infrared obstacle avoidance system on the aircraft utilizes infrared sensors to detect nearby obstacles
and therefore automatically help the aircraft avoid obstacles.
In GPS mode, the aircraft can Obstacle Avoidance on both hovering and flight status.
Infrared obstacles avoidance
at Forward
19
Quick Start Guide
Hovering status in GPS mode:
Obstacles avoidance available at forward.
Less than 1m
Flight status in GPS mode:
Obstacles avoidance available at forward.
Less than 5m
Less than 2.5m
Auto avoidance
Auto decelerate
Stop advance
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