Results 61 to 70 of about 199,767 (264)

Robust Reinforcement Learning Control Framework for a Quadrotor Unmanned Aerial Vehicle Using Critic Neural Network

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, Yefeng Yang, Tao Huang, Boyang Li   +3 more
wiley   +1 more source

Bio-Optical Properties near a Coastal Convergence Zone Derived from Aircraft Remote Sensing Imagery and Modeling

Remote Sensing
Bio-optical and physical measurements were collected in the Mississippi Sound (Northern Gulf of Mexico) during the spring of 2018 as part of the Integrated Coastal Bio-Optical Dynamics project.
Mark David Lewis, Stephanie Cayula, Richard W. Gould, William David Miller, Igor Shulman, Geoffrey B. Smith, Travis A. Smith, David Wang, Hemantha Wijesekera   +8 more
doaj   +1 more source

SIMULATION AND OPTIMIZATION OF A SWARM OF UNMANNED AERIAL VEHICLES

International Journal of Advanced Studies, 2023
The development of unmanned aerial vehicles can be regarded as a promising direction of modern aviation. They have significantly reduced dimensional characteristics, if compared with traditional aircraft.
Tatiana V. Avetisyan, Jakov E. Lvovich, Andrey P. Preobrazhenskiy   +2 more
doaj   +1 more source

Design Challenges to Expand the Functionality of Drones: Deformable Rotorcraft and Nature‐Inspired Flapping Drones

Advanced Intelligent Systems, EarlyView.
This review systematically analyzes deformable drones, including extendable, foldable, and tilting configurations, along with nature‐inspired flapping rotorcraft. By classifying deformation principles and structural mechanisms, design trade‐offs, functional capabilities, and future development potential are highlighted.
Ju‐Hee Lee, Sumin Jung, Jinwoo Jang, Yeji Han, Minchae Kang, Jihun Seong, Suyeon Seo, Eunsol Park, Haesol Kwak, Min‐Woo Han   +9 more
wiley   +1 more source

Integral aerodynamic design of an unmanned aircraft vehicle

MECHANICS OF GYROSCOPIC SYSTEMS, 2018
The study is devoted to determining the influence of various layouts parameters of the UAV on its basic aerodynamic characteristics: the maximum value of aerodynamic perfection, the characteristics of longitudinal stability and bearing properties, depending on the considered scheme and the center of gravity position.The simulation of the computational ...
openaire   +4 more sources

Design and simulation of GPS assisted smart antenna for Unmanned Aerial Vehicle (UAV)

ACI Avances en Ciencias e Ingenierías, 2013
A critical component of an Unmanned Aerial Vehicle (UAV) is the communications system. It is in charge of transmitting information from the aircraft to the base station and sending configurations to the aircraft.
Francisco Cuesta, René P. Játiva E.
doaj   +1 more source

An operational solution to acquire multispectral images with standard light cameras : Characterization and acquisition guidelines [PDF]

, 2007
In order to develop a low-cost and easy to implement technical solution to map inside-field spatial variability, and to explore its relationship with crop conditions, several experiments were conducted using ultra-light aircraft and Unmanned Aerial ...
Bégué, Agnès, Labbé, Sylvain, Lebourgeois, Valentine, Mallavan, Benjamin, Roux, B.   +4 more
core  

Mapping and classification of ecologically sensitive marine habitats using unmanned aerial vehicle (UAV) imagery and object-based image analysis (OBIA) [PDF]

, 2018
Nowadays, emerging technologies, such as long-range transmitters, increasingly miniaturized components for positioning, and enhanced imaging sensors, have led to an upsurge in the availability of new ecological applications for remote sensing based on ...
Ardizzone, Domenico, Belluscio, Andrea, Bonifazi, Andrea, Gravina, Maria Flavia, Ventura, Daniele   +4 more
core   +1 more source

A Multisensor Remote Sensing Approach to Archaeological Prospection: Integrating UAV and Google Earth Data in the Bayan Gol Valley, Mongolia

Archaeological Prospection, EarlyView.
ABSTRACT This study investigates the effectiveness of drone‐based remote sensing and Google Earth satellite imagery for archaeological prospection in the Bayan Gol Valley, Central Mongolia. Utilizing a fixed‐wing unmanned aerial vehicle (UAV) equipped with RGB and multispectral sensors, we surveyed 655 ha to document Mongol‐period settlement structures
Peter Heimermann, Matthias Lang, Susanne Reichert, Lkhagvadorj Munkhbayar, Jan Bemmann   +4 more
wiley   +1 more source

Research on Lateral Safety Spacing for Fusion Operation Based on Unmanned and Manned Aircraft-Event Modeling

Sensors
With the rapid development of unmanned aerial vehicle technology and its increasing application across various fields, current airspace resources are insufficient for unmanned aerial vehicles’ needs.
Chao Zhou, Chi Huang, Longyang Huang, Chuanjiang Xie, Xingyu Zhu, Tao Huang   +5 more
doaj   +1 more source