Results 51 to 60 of about 610,153 (115)

Co-design Optimization of a Novel Multi-identity Drone Helicopter (MICOPTER). [PDF]

open access: yesJ Intell Robot Syst, 2022
Abedini A, Bataleblu AA, Roshanian J.
europepmc   +1 more source

Development of a test-rig for exploring optimal conditions of small unmanned aerial vehicle co-axial rotor systems

open access: yes, 2010
Due to the recent increase in development and use of co-axial rotor system at the scale of small UAVs a greater understanding of the performance variables that affect the co-axial propulsion system at low Reynolds number operation has become increasingly
Brazinskas, Mantas   +4 more
core   +1 more source

Large-Pitch Hovering Control of Tilt Tri-Rotor UAVs Using Symmetric Control Formulation

open access: yesIEEE Transactions on Industrial Electronics
Large-pitch hovering can substantially extend the maneuvering envelope of tilt tri-rotor unmanned aerial vehicles (TTR UAVs), but it also introduces strong orientation-dependent coupling that limits the applicability of conventional multirotor control formulations.
Xutao Qu, Zhihao Cai, Yingxun Wang
openaire   +1 more source

Design a model and mathematical approach for vectored trust controlled tri rotor aerial platform

open access: yes, 2018
It is a challenging factor to address the more or less of vectored trust-controlled platforms for Stability. There are unnecessary parts in any UAV plat form and must be identified and apply removal of such parts or substitute with aerodynamically more ...
Madanayaka HM
core   +1 more source

A decentralized hybrid computing consumer authentication framework for a reliable drone delivery as a service. [PDF]

open access: yesPLoS One, 2021
Hannan A   +6 more
europepmc   +1 more source

Helicopter tail rotor thrust and main rotor wake coupling in crosswind flight [PDF]

open access: yes, 2010
The tail rotor of a helicopter with a single main rotor configuration can experience a significant reduction in thrust when the aircraft operates in crosswind flight. Brown’s vorticity transport model has been used to simulate a main rotor and tail rotor
Fletcher, Timothy M., Brown, Richard
core  

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