Results 31 to 40 of about 74,073 (217)
Drones: Innovative Technology for Use in Precision Pest Management. [PDF]
, 2020 Arthropod pest outbreaks are unpredictable and not uniformly distributed within fields. Early outbreak detection and treatment application are inherent to effective pest management, allowing management decisions to be implemented before pests are well ...
de Lange, Elvira S +3 more
core +1 more source
FluidsThe 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
Overview of regulatory frameworks for unmanned aircraft [PDF]
TehnikaThis paper presents the regulatory framework for the use of unmanned aircraft in the airspace of the Republic of Serbia. The work contains an overview of regulations at the international level, primarily the regulations of the International Civil ...
Marina Miloš S. +1 more
doaj +1 more source
Identification, Categorisation and Gaps of Safety Indicators for U-Space
Energies, 2020 Many civilian applications of commercial unmanned aircraft are being planned to operate in the years ahead. Several countries have developed their own framework to design the operation of unmanned aircraft and the different services that demand safe ...
Javier Alberto Pérez-Castán +4 more
doaj +1 more source
Below Horizon Aircraft Detection Using Deep Learning for Vision-Based Sense and Avoid
, 2019 Commercial operation of unmanned aerial vehicles (UAVs) would benefit from an onboard ability to sense and avoid (SAA) potential mid-air collision threats. In this paper we present a new approach for detection of aircraft below the horizon.
Ford, Jason J. +2 more
core +1 more source
IEEE AccessThis 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
The Hidden Human Factors in Unmanned Aerial Vehicles [PDF]
, 2008 In April 2006, an Unmanned Aerial Vehicle crashed near Nogales, Arizona. This incident is of interest because it triggered one of the most sustained studies into the causes of failure involving such a vehicle.
Johnson, C.W.
core
Study of Free‐Space Optical Quantum Network: Review and Prospectives
Advanced Science, EarlyView.Free from the constraints of fiber connections, free‐space quantum network enables longer and more flexible quantum network connections. This review summarizes and comparatively analyzes free‐space quantum network experiments based on ground stations, satellites, and mobile platforms.
Hua‐Ying Liu, Zhenda Xie, Shining Zhu
wiley +1 more source
Remotely piloted aircraft systems and a wireless sensors network for radiological accidents [PDF]
, 2016 In critical radiological situations, the real time information that we could get from the disaster area becomes of great importance. However, communication systems could be affected after a radiological accident.
Barrado Muxí, Cristina +4 more
core +2 more sources
Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.Quadrotor unmanned aerial vehicle control is critical to maintain flight safety and efficiency, especially when facing external disturbances and model uncertainties. This article presents a robust reinforcement learning control scheme to deal with these challenges.
Yu Cai +3 more
wiley +1 more source