Results 41 to 50 of about 62,052 (226)

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

open access: yesAdvanced 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

Legal regulation of unmanned aircraft systems in the European Union with reference to the legislation of the Republic of Croatia [PDF]

open access: yesZbornik Radova: Pravni Fakultet u Novom Sadu, 2019
Unmanned aircrafts are rapidly developing, and they are becoming more widespread. The number of unmanned aircraft users is increasing, and it is necessary to harmonise the existing legislation at the EU level and amend the regulatory framework ...
Činčurak-Erceg Biljana M.
doaj  

The integration of compressive sensing and clustering for date gathering in unmanned aircraft system–aided networks

open access: yesInternational Journal of Distributed Sensor Networks, 2017
The development of the unmanned aircraft systems is envisioned to greatly reduce the energy consumption of sensor nodes in data gathering process using unmanned aircraft systems as mobile sinks.
Xiangmao Chang   +3 more
doaj   +1 more source

VIBROACOUSTIC SYSTEM FOR MEASUREMENT OF THE TOUCHDOWN OF A LIGHT AIRCRAFT [PDF]

open access: yesScientific Journal of Silesian University of Technology. Series Transport, 2017
Aircraft touchdown is one of the most difficult and dangerous phases of a flight. The paper presents an aerial light aircraft, prepared and produced by vibroacoustic tests, using an aircraft landing and landing monitoring system (AVI).
Damian SALA   +3 more
doaj   +1 more source

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

open access: yesAdvanced 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   +9 more
wiley   +1 more source

Cities and Drones: What Cities Need to Know about Unmanned Aerial Vehicles (UAVs) [PDF]

open access: yes, 2016
NLC's municipal guide, Cities and Drones, is designed to serve as a primer on drones for local officials, providing insight into the recently released federal rules relating to drone operation, as well as offering suggestions for how local governments ...
Elias Stahl   +2 more
core  

Drones: Innovative Technology for Use in Precision Pest Management. [PDF]

open access: yes, 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

UAV Path Prediction for CD&R to Manned Aircraft in a Confined Airspace for Cooperative Mission

open access: yesInternational Journal of Aerospace Engineering, 2018
In this paper, a new path prediction approach for unmanned aerial vehicles (UAVs) for conflict detection and resolution (CD&R) to manned aircraft in cooperative mission in a confined airspace is proposed.
Chin E. Lin, Ya-Hsien Lai
doaj   +1 more source

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

open access: yesArchaeological 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   +4 more
wiley   +1 more source

Below Horizon Aircraft Detection Using Deep Learning for Vision-Based Sense and Avoid

open access: yes, 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

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