Results 21 to 30 of about 61,151 (216)

On the trade-off between electrical power consumption and flight performance in fixed-wing UAV autopilots [PDF]

open access: yes, 2016
This paper sets out a study of the autopilot design for fixed wing Unmanned Aerial Vehicles (UAVs) taking into account the aircraft stability, as well as the power consumption as a function of the selected control strategy.
Bertran Albertí, Eduardo   +1 more
core   +2 more sources

Research on reliability modeling of unmanned aircraft system avionics systems based on 5G

open access: yesInternational Journal of Distributed Sensor Networks, 2019
With the development of technology, an unmanned aircraft system will play a significant role in Internet of things based on 5G. Avionics system is an important part of the unmanned aircraft system, and the reliability of the avionics system directly ...
Qiang Zhou, Yongan Wei, Longjiang Zhu
doaj   +1 more source

Development of a project to create a road transport infrastructure using small unmanned aircraft [PDF]

open access: yesE3S Web of Conferences
The infrastructure for small unmanned aircraft has not yet been formed: there are no organized ground-based stations, there are no clear operating regulations for performing specialized types of work.
Duganova Elena   +3 more
doaj   +1 more source

An Aerial Deployed Unmanned Autonomous Glider for Cross-Channel Flight [PDF]

open access: yes, 2015
This paper describes the technical and operational challenges of the first cross-Channel flight performed by an unmanned autonomous glider. The glider chosen for the attempt was a quarter scale Slingsby Type 45 Swallow.
Jabbal, M
core   +3 more sources

Unmanned Aerial Systems for Wildland and Forest Fires

open access: yes, 2021
Wildfires represent an important natural risk causing economic losses, human death and important environmental damage. In recent years, we witness an increase in fire intensity and frequency.
Akhloufi, Moulay A.   +2 more
core   +1 more source

Control of Aerodynamic Characteristics of Thick Airfoils at Low Reynolds Numbers Using Methods of Boundary Layer Control

open access: yesFluids
The article explores flow behavior around thick airfoils at low Reynolds numbers and the potential application of energy methods to manipulate the flow field for increased lift and reduced drag. The study relies on a set of propulsion airfoils calculated
Pavel Bulat   +3 more
doaj   +1 more source

Unmanned Aerial Vehicles (UAVs) in environmental biology: A Review [PDF]

open access: yes, 2018
Acquiring information about the environment is a key step during each study in the field of environmental biology at different levels, from an individual species to community and biome.
Bogawski, Pawel   +2 more
core   +2 more sources

Classification and Diagnosis of Propeller Damages Using FFT-Based Motor Current Signature Analysis of DC-Link Current

open access: yesIEEE Access
This study proposes a frequency-domain diagnostic approach for detecting and characterizing unmanned aerial vehicle (UAV) propeller damage using only motor electrical signals. Motor current signals were analyzed via fast Fourier transform (FFT) across 36
Giho Lee   +5 more
doaj   +1 more source

UAS Maintenance: A Critical Component in Maintaining Airworthiness

open access: yesInternational Journal of Aviation, Aeronautics, and Aerospace, 2018
Over the last several decades, the notion of traditional aircraft design has significantly changed. While there are many modern aircraft that resemble earlier models, their components, systems, and overall architecture have evolved, including the ...
Bettina M Mrusek   +2 more
doaj   +1 more source

The use of Unmanned Aircraft Systems (UAS) in combat operations [PDF]

open access: yesTransport Problems, 2011
In this publication has been presented selected aspects of the wide spectrum of Unmanned Aircraft Systems (UAS)/UAV adaptation within the military structures.
Tomasz GUGAŁA
doaj  

Home - About - Disclaimer - Privacy