Results 41 to 50 of about 199,767 (264)

A Comparative Study on Application of Unmanned Aerial Vehicle Systems in Agriculture

, 2021
Presently in agriculture, there is much ample scope for drone and UAS (Unmanned Aircraft System) development. Because of their low cost and small size, these devices have the ability to help many developing countries with economic prosperity.
Mohammad Sohel Rahman, Shurui Fan, Yan Zhang, Lei Chen   +3 more
semanticscholar   +1 more source

Application of the Fuzzy AHP -VIKOR hybrid model in the selection of an unmanned aircraft for the needs of tactical units of the armed forces

Scientific Technical Review, 2021
Unmanned aerial vehicles represent an indispensable segment in the range of weapons of both military and police units. The expansion in development of unmanned aerial vehicles for both commercial and military purposes has created a need for constant ...
Marko Radovanović, A. Petrovski, Vinko Žindrašič, Aca Ranđelović   +3 more
semanticscholar   +1 more source

Cooperative UAV–UGV Autonomous Power Pylon Inspection: An Investigation of Cooperative Outdoor Vehicle Positioning Architecture

Sensors, 2020
Realizing autonomous inspection, such as that of power distribution lines, through unmanned aerial vehicle (UAV) systems is a key research domain in robotics.
Alvaro Cantieri, Matheus Ferraz, Guido Szekir, Marco Antônio Teixeira, José Lima, André Schneider Oliveira, Marco Aurélio Wehrmeister   +6 more
doaj   +1 more source

Robust real-time vision-based aircraft tracking from Unmanned Aerial Vehicles [PDF]

2014 IEEE International Conference on Robotics and Automation (ICRA), 2014
Aircraft tracking plays a key and important role in the Sense-and-Avoid system of Unmanned Aerial Vehicles (UAVs). This paper presents a novel robust visual tracking algorithm for UAVs in the midair to track an arbitrary aircraft at real-time frame rates, together with a unique evaluation system.
Fu, Changhong, Carrió Fernández, Adrián, Olivares Méndez, Miguel Ángel, Suárez Fernández, Ramón, Campoy Cervera, Pascual   +4 more
openaire   +3 more sources

Modelling, attitude controller design and flight experiments of a novel micro-ducted-fan aircraft

Advances in Mechanical Engineering, 2018
This research concerns a novel micro-ducted-fan aircraft. A structured attitude controller is designed for a novel unmanned aerial vehicle in the presence of strong state coupling and system perturbation.
Wei Fan, Changle Xiang, Bin Xu
doaj   +1 more source

Disinfectant Spraying System with Quadcopter Type Unmanned Aerial Vehicle (UAV) Technology as an Effort to Break the Chain of the COVID-19 Virus

Journal of Robotics and Control (JRC), 2021
Spraying disinfectants as a preventive measure in preventing the transmission of COVID-19 is still being carried out by officers manually by surrounding all parts of the building.
Dwi Mutiara Harfina, Zaini Zaini, Wisnu Joko Wulung   +2 more
semanticscholar   +1 more source

A review on ultrasound-enhanced heat transfer

Ultrasonics Sonochemistry
This review comprehensively examines recent advances in ultrasound-enhanced heat transfer, a promising active cooling technology for high-heat-flux electronic devices.
Chong Li, Zufen Luo, Yuchen Shao, Yuqi Qian, Siliang Du, Quanquan Yang, Zhong Chen, Hao Chen, Yi Zha, Xiande Fang   +9 more
doaj   +1 more source

Unmanned Free Balloon Flight’s Integration into Unmanned Aircraft System Traffic Management

Acta Technica Jaurinensis, 2019
This paper describes and inspects unmanned aerial vehicle, unmanned aircraft system, unmanned aircraft system traffic management, light and medium unmanned free balloons.
Norbert Hegyi, János Jósvai
doaj   +1 more source

The Use of UAV with Infrared Camera and RFID for Airframe Condition Monitoring

Applied Sciences, 2021
The new progressive smart technologies announced in the fourth industrial revolution in aviation—Aviation 4.0—represent new possibilities and big challenges in aircraft maintenance processes.
Michal Hrúz, Martin Bugaj, Andrej Novák, Branislav Kandera, Benedikt Badánik   +4 more
doaj   +1 more source

A Survey of Air-to-Ground Propagation Channel Modeling for Unmanned Aerial Vehicles

, 2018
In recent years, there has been a dramatic increase in the use of unmanned aerial vehicles (UAVs), particularly for small UAVs, due to their affordable prices, ease of availability, and ease of operability.
Aboudebra A., Ahmed N., Alzenad Mohamed, Alzenad Mohamed, Al‐Hourani A., Amorim R., Amorim R., Asadpour M., Athukoralage Dasun, Azari M. M., Bandoim Lana, Blandino Steve, Bluemm Christian, Bohagen Frode, Bor‐Yaliniz R Irem, Cai X., Chandhar P., Chen J., Chen J., Cheng Chen‐Mou, Cheng Xiang, Child JR, Daniel Kai, David Blom John, Desjardins Jeff, Essaadali R., Feng Qixing, Gao Xijun, Gates B. G., George Pierce Jones IV, Goddemeier N., Goddemeier Niklas, Gulfam S. M., Gulfam S. M., Hemanth Kumar Zhiqiang Wu, Ibrahim M., Jackson B. R. P., Jamal Hosseinali, Jiang F., Johnsson J., Joo Park Pyung, Kalantari E., Kaul S., Kawamata F., Kerczewski Bob, Khawaja W., Khawaja Wahab, Khawaja Wahab, Khawaja Wahab, Kovacs I., Ksendzov Alexander, Kung H. T., Kunisch J., Kvicera Milan, Lamiano D. F., Lemos Cid E., Levis Curt, Lin X., Lyu J., Malik W. Q., Matolak D. W., Matolak D. W., Matolak D. W., Matolak D. W., Matolak D. W., Matolak D. W., Matolak D. W., Matolak David W, Matolak David W., Matolak David W., Matolak David W., Newhall W. G., Ono F., Paier A., Pavel Pechac Michal Simunek, Rappaport T. S., Ravi V. V. C., Rieth D., Romeu J., Ruddle A. R., Schneckenburger N., Sharp C. S., Shim D. H., Song Meng Yu, Sun R., Sun Ruoyu, Sun Ruoyu, Takizawa K., Tavares T., Teng E., Tu H. D., Vahidi Vahid, Walter Michael, Wentz Michael, White F., Wu Y., Yang J., Yanmaz Evşen, Yanmaz Evşen, Zelenỳ Jan, Zhang Chao, Zheng Yi   +101 more
core   +1 more source