Results 11 to 20 of about 717,512 (282)

Reconfigurable unmanned aerial vehicles. [PDF]

open access: yes, 2009
Unmanned Aerial Vehicles (UAVs) have been developing dramatically due to wars and miniaturisation of technology, which has made the UAV industry a very lucrative business. Research organisations have been funded by various research committees or military groups to push UAV developments at a very fast pace.
Erbil, Mehmet Ali   +5 more
core   +3 more sources

On the derivation and analysis of decision architectures for unmanned aircraft systems

open access: yes, 2013
©Cranfield University © BAE SystemsOperation of Unmanned Air Vehicles (UAVs) has increased significantly over the past few years. However, routine operation in non-segregated airspace remains a challenge, primarily due to nature of the environment and ...
Patchett, C H
core   +7 more sources

A Novel Collision Avoidance Logic for Unmanned Aerial Vehicles Using Real-Time Trajectory Planning [PDF]

open access: yes, 2014
An effective collision avoidance logic should prevent collision without excessive alerting. This requirement would be even more stringent for an automatic collision avoidance logic, which is probably required by Unmanned Aerial Vehicles to mitigate ...
Lai, Chi Kin
core   +7 more sources

Verifiable control of a swarm of unmanned aerial vehicles [PDF]

open access: yes, 2009
This article considers the distributed control of a swarm of unmanned aerial vehicles (UAVs) investigating autonomous pattern formation and reconfigurability.
Bennet, D. J., McInnes, C.R.
core   +4 more sources

Editorial of Special Issue “Unconventional Drone-Based Surveying”

open access: yesDrones, 2023
Nowadays, Unmanned Aerial Vehicles (UAVs), as well as Unmanned Surface Vehicles (USVs) or also Unmanned Underwater Vehicles (UUVs), later on simply called drones, have reached a sufficient degree of maturity to allow their use for various purposes [...]
Arianna Pesci   +2 more
doaj   +1 more source

A miniaturized CPW fed tri-band antenna based on metamaterial resonance [PDF]

open access: yesAIP Advances
A miniaturized metamaterial-based tri-band antenna is proposed, which achieves multi-band coverage and performance enhancement through innovative structural design.
Mingxin Liu   +4 more
doaj   +1 more source

Distributed sensing units deploying on group unmanned vehicles

open access: yesInternational Journal of Distributed Sensor Networks, 2021
This study aims to use two unmanned vehicles (aerial vehicles and ground vehicles) to implement multi-machine cooperation to complete the assigned tasks quickly.
Bao Rong Chang   +3 more
doaj   +1 more source

Formation control of a group of micro aerial vehicles (MAVs) [PDF]

open access: yes, 2013
Coordinated motion of Unmanned Aerial Vehicles (UAVs) has been a growing research interest in the last decade. In this paper we propose a coordination model that makes use of virtual springs and dampers to generate reference trajectories for a group of ...
Güney, Mehmet Ali, Ünel, Mustafa
core   +2 more sources

Twin Delayed Deep Deterministic Policy Gradient-Based Target Tracking for Unmanned Aerial Vehicle With Achievement Rewarding and Multistage Training

open access: yesIEEE Access, 2022
Target tracking using an unmanned aerial vehicle (UAV) is a challenging robotic problem. It requires handling a high level of nonlinearity and dynamics.
Najmaddin Abo Mosali   +4 more
doaj   +1 more source

Study on Microscopic Simulation Technology of Operation Process of Unmanned Vehicle Based on Virtual Track [PDF]

open access: yesE3S Web of Conferences, 2020
With the continuous development of unmanned driving technology, more and more unmanned vehicles are on the road to start testing, under this circumstance, how to control these unmanned vehicles has become an urgent issue.
Teng Shiyao, Tang Jinjin
doaj   +1 more source

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