Airffic InstituteAERIAL PHYSICAL AI
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Aerial Physical AI Institute

Glossary: common terms in one line

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Updated: · 2 min readHow we researched →

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Technology terms

TermMeaning
Physical AIAI that acts in the real world: the brain of robots, self-driving cars and drones
Vision AI (computer vision)AI that recognises what is in photos and video
Object detectionFinding objects in an image and boxing them
SLAMBuilding a map while locating yourself in it
VIOCombining camera and IMU to calculate your own motion
IMUA small device measuring acceleration and rotation: the drone's inner ear
GNSSSatellite positioning systems such as GPS
LiDARA sensor that measures distance with lasers and maps surroundings in 3D
mmWave radarA sensor that measures distance and speed with radio waves; robust to weather
Sensor fusionCombining several sensors so their weaknesses cancel out
Edge AIRunning AI on the device itself; robust to network delay
Reinforcement learningLearning good actions through repeated trial and error
Foundation modelA large AI trained on vast data that can do many tasks
VLMAI that understands images and language together
SwarmMany drones communicating and moving as a group

Operations and regulation terms

TermMeaning
BVLOSFlying beyond the operator's visual line of sight
DAADetecting other aircraft and avoiding collisions
UTMTraffic management for drones: air traffic control for the low sky
U-spaceEurope's airspace management framework for drones
Level 4Japan's category for BVLOS flight over people, created in 2022
Part 107US rules for commercial small drones (2016)
Part 108US proposed rules to allow routine BVLOS (proposed 2025)
Remote IDDrones broadcasting their identity by radio
C-UASTechnology to detect and handle unwanted drones
DFRDrone as First Responder: a drone reaches an emergency before officers
NDAAUS defense budget law, including limits on buying Chinese drones
Blue UASPentagon-vetted list of drones cleared for use
Airspace OSThe sky-wide brain that flies many aircraft safely at once (Airffic's term)