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Article
Open AccessPhased Array Radio Navigation System on UAVs: In-Flight Calibration
Global Navigation Satellite Systems (GNSS) has been the primary positioning solution for Unmanned Aerial Vehicles (UAVs) due to their worldwide coverage, high precision and lightweight receivers. However, GNSS...
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Article
Open AccessControl System Architecture for Automatic Recovery of Fixed-Wing Unmanned Aerial Vehicles in a Moving Arrest System
Automatic recovery is an important step in enabling fully autonomous missions using fixed-wing unmanned aerial vehicles (UAVs) operating from ships or other moving platforms. However, automatic recovery in mov...
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Article
Precision Deep-Stall Landing of Fixed-Wing UAVs Using Nonlinear Model Predictive Control
To be able to recover a fixed-wing unmanned aerial vehicle (UAV) on a small space like a boat deck or a glade in the forest, a steep and precise descent is needed. One way to reduce the speed of the UAV during...
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Article
Open AccessAutonomous ballistic airdrop of objects from a small fixed-wing unmanned aerial vehicle
Autonomous airdrop is a useful basic operation for a fixed-wing unmanned aerial system. Being able to deliver an object to a known target position extends operational range without risking human lives, but is ...