Results 31 to 40 of about 301,963 (259)

Using Semicircular Sampling to Increase Sea-Wind Retrieval Altitude with a High-Altitude UAV Scatterometer

Drones, 2022
Currently, unmanned aerial vehicles (UAVs) are widely used due to their low cost and flexibility. In particular, they are used in remote sensing as airborne platforms for various instruments.
Alexey Nekrasov, Alena Khachaturian, Colin Fidge   +2 more
doaj   +1 more source

Aircraft route recovery based on distributed integer programming method.

Mathematical biosciences and engineering : MBE, 2023
In order to further promote the application and development of unmanned aviation in the manned field, and reduce the difficulty that airlines cannot avoid due to unexpected factors such as bad weather, aircraft failure, and so on, the problem of ...
Luyao Yang, Zhikang Wang, Haocheng Yu, Baoping Jiang, Zhengtian Wu   +4 more
semanticscholar   +1 more source

The effect of heat recovery on the optimal values of helicopter turboshaft engine parameters

Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2020
Recent studies related to fuel economy in air transport conducted in our country and abroad show that the use of recuperative heat exchangers in aviation gas turbine engines can significantly, by up to 20...30%, reduce fuel consumption.
H. H. Omar, V. S. Kuz'michev, A. O. Zagrebelnyi, V. A. Grigoriev   +3 more
doaj   +1 more source

Operational control system of civil aicraft airborne equipment and scientific basis of its formation

Научный вестник МГТУ ГА, 2021
The system of operational control (SOC) of civil aircraft (CA) airborne equipment incorporates onboard equipment, as an object of control, means and programs of operational control, maintenance personnel of an operating enterprise, carrying out ...
S. V. Kuznetsov
doaj   +1 more source

Tradeoffs in jet inlet design: a historical perspective

, 2007
The design of the inlet(s) is one of the most demanding tasks of the development process of any gas turbine-powered aircraft. This is mainly due to the multi-objective and multidisciplinary nature of the exercise.
Anderson B. H., András Sóbester, Argyris J. H., Bennett H. W., Berrier B. L., Black S., Bore C. L., Chambers J. R., Choby D. A., Condit P. M., Curtis P., Daggett D. L., Dawson L. G., Envia E., Erbsloh S. D., Geddes J. P., Goble B. D., Gridley M., Haddad R. C., Haines A. B., Hamstra J. W., Hamstra J. W., Hehs E., Hodge C. G., Jones M. G., Lafronza L., Leyland D. C., Lord W. K., Mattingly J. D., McCallum B. N., Menzies R. D. D., Moult E. S., Norris G., Oates G. C., Pan F. L., Philhower J. S., Pitt D. M., Sacks A. H., Seddon J., Smith A. R., Stewart Rolls L., Surber L. E., Ward-Smith A. J., Whitford R., Williams D. D., Williams T. L., Ytterstrom A.   +46 more
core   +1 more source

The vulnerability of rules in complex work environments: dynamism and uncertainty pose problems for cognition [PDF]

, 2015
Many complex work environments rely heavily on cognitive operators using rules. Operators sometimes fail to implement rules, with catastrophic human, social and economic costs. Rule-based error is widely reported, yet the mechanisms of rule vulnerability
Clewley, Richard, Stupple, Edward J. N.
core   +2 more sources

Integrated Aircraft and Passenger Recovery With Enhancements in Modeling, Solution Algorithm, and Intermodalism

IEEE transactions on intelligent transportation systems (Print), 2022
During schedule disruption of airline operations, aircraft assigned to some flights become unavailable (are held on the ground) for a certain time period.
Fangzheng Sun, Hong Liu, Yu Zhang
semanticscholar   +1 more source

User privacy prevention model using supervised federated learning‐based block chain approach for internet of Medical Things

CAAI Transactions on Intelligence Technology, EarlyView., 2023
Abstract This research focuses on addressing the privacy issues in healthcare advancement monitoring with the rapid establishment of the decentralised communication system in the Internet of Medical Things (IoMT). An integrated blockchain homomorphic encryption standard with an in‐build supervised learning‐based smart contract is designed to improvise ...
Chandramohan Dhasarathan, Mohammad Kamrul Hasan, Shayla Islam, Salwani Abdullah, Shailesh Khapre, Dalbir Singh, Abdulaziz A. Alsulami, Ali Alqahtani   +7 more
wiley   +1 more source

Smart three-dimensional processing of unconstrained cave scans using small unmanned aerial systems and red, green, and blue-depth cameras

International Journal of Advanced Robotic Systems, 2022
This article focuses on a novel three-dimensional reconstruction system that maps large archeological caves using data collected by a small unmanned aircraft system with red, green, and blue-depth cameras.
Guoxiang Zhang, Holley Moyes, YangQuan Chen   +2 more
doaj   +1 more source

A Degradable Bioinspired Flier with Aerogel‐Based Colorimetric Sensors for Environmental Monitoring

Advanced Science, EarlyView.
Biodegradable fliers are developed inspired by Tipuana tipu samaras, integrating cellulose nanocrystal aerogel (CNCa) sensors loaded with natural dyes for pH and ammonia detection. The lightweight, degradable fliers mimic natural morphology and aerodynamics, offering an eco‐friendly, scalable solution for in situ environmental monitoring after passive ...
Gianpaolo Gallo, Ruowen Tu, Carlo Filippeschi, Stefano Mariani, Barbara Mazzolai   +4 more
wiley   +1 more source