Results 31 to 40 of about 274,934 (259)

Reliable Long-Range Multi-Link Communication for Unmanned Search and Rescue Aircraft Systems in Beyond Visual Line of Sight Operation

open access: yesDrones, 2020
With the increasing availability of unmanned aircraft systems, their usage for search and rescue is close at hand. Especially in the maritime context, aerial support can yield significant benefits.
Johannes Güldenring   +6 more
semanticscholar   +1 more source

PHOTOGRAMMETRIC ASSESSMENT AND COMPARISON OF DJI PHANTOM 4 PRO AND PHANTOM 4 RTK SMALL UNMANNED AIRCRAFT SYSTEMS

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
. Consumer-grade Unmanned Aircraft Systems (UAS), and particularly Small Unmanned Aircraft (SUA) weighing less than 20 kg, have recently become very attractive for photogrammetric data acquisition across a wide range of applications.
M. Peppa, JA Hall, J. Goodyear, J. Mills
semanticscholar   +1 more source

Unmanned Aircraft Systems (UAS) for Bridge Inspection Safety

open access: yesDrones, 2020
Unmanned aircraft systems (UAS) are an excellent tool to remove bridge inspection workers from potential harm. Previous research has documented that UAS for bridge inspection is a strategic priority of a state’s Department of Transportation (DOT), and ...
B. Hubbard, S. Hubbard
semanticscholar   +1 more source

Potential Data Link Candidates for Civilian Unmanned Aircraft Systems: A Survey [PDF]

open access: yesIEEE Communications Surveys and Tutorials, 2019
This survey studies the potential data link candidates for unmanned aircraft vehicles (UAVs). There has been tremendous growth in different applications of UAVs such as lifesaving and rescue missions, commercial use, recreations, etc.
Maede Zolanvari, R. Jain, Tara Salman
semanticscholar   +1 more source

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

Herbicide Ballistic Technology for Unmanned Aircraft Systems

open access: yesRobotics, 2022
Miconia is a highly invasive plant species with incipient plants occupying remote areas of Hawaiian watersheds. Management of these incipient plants is integral to current containment strategies.
Roberto Rodriguez   +2 more
doaj   +1 more source

What good are unmanned aircraft systems for agricultural remote sensing and precision agriculture?

open access: yes, 2018
Remote sensing from unmanned aircraft systems (UAS) was expected to be an important new technology to assist farmers with precision agriculture, especially crop nutrient management.
E. Hunt, C. Daughtry
semanticscholar   +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

Adaptive and Online Health Monitoring System for Autonomous Aircraft [PDF]

open access: yes, 2012
Good situation awareness is one of the key attributes required to maintain safe flight, especially for an Unmanned Aerial System (UAS). Good situation awareness can be achieved by incorporating an Adaptive Health Monitoring System (AHMS) to the aircraft.
Howe, Joe M.   +3 more
core   +1 more source

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