1–38 of 38 hits
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    Imitation Learning of Complex Behaviors for Multiple Drones with Limited Vision

    Free access
    Yu Wan / Jun Tang / Zipeng Zhao | DOAJ | 2023
    Navigating multiple drones autonomously in complex and unpredictable environments, such as forests, poses a significant challenge typically ...

    Challenges for the Routine Application of Drones in Healthcare: A Scoping Review

    Free access
    Sara De Silvestri / Pasquale Junior Capasso / Alessandra Gargiulo et al. | DOAJ | 2023
    Uncrewed aerial vehicles (UAVs), commonly known as drones, have emerged as transformative tools in the healthcare sector, offering the ...

    Correction: Hartley et al. BVLOS Unmanned Aircraft Operations in Forest Environments. Drones 2022, 6, 167

    Free access
    Robin John ap Lewis Hartley / Isaac Levi Henderson / Chris Lewis Jackson | DOAJ | 2023

    Automatic Real-Time Creation of Three-Dimensional (3D) Representations of Objects, Buildings, or Scenarios Using Drones and Artificial Intelligence Techniques

    Free access
    Jorge Cujó Blasco / Sergio Bemposta Rosende / Javier Sánchez-Soriano | DOAJ | 2023
    This work presents the development and evaluation of a real-time 3D reconstruction system using drones. The system leverages innovative ...

    Exploring Meteorological Conditions and Microscale Temperature Inversions above the Great Barrier Reef through Drone-Based Measurements

    Free access
    Christian Eckert / Kim I. Monteforte / Daniel P. Harrison et al. | DOAJ | 2023
    regulatory obstacles. Here, we assessed the potential of consumer drones equipped with lightweight atmospheric sensors to collect vertical ...
    Keywords: multi-copter drones

    Commonality Evaluation and Prediction Study of Light and Small Multi-Rotor UAVs

    Free access
    Yongjie Zhang / Yongqi Zeng / Kang Cao | DOAJ | 2023

    N-Cameras-Enabled Joint Pose Estimation for Auto-Landing Fixed-Wing UAVs

    Free access
    Dengqing Tang / Lincheng Shen / Xiaojia Xiang et al. | DOAJ | 2023

    An Autonomous Tracking and Landing Method for Unmanned Aerial Vehicles Based on Visual Navigation

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    Bingkun Wang / Ruitao Ma / Hang Zhu et al. | DOAJ | 2023

    Event-Triggered Hierarchical Planner for Autonomous Navigation in Unknown Environment

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    Changhao Chen / Bifeng Song / Qiang Fu et al. | DOAJ | 2023

    A Novel Adversarial Detection Method for UAV Vision Systems via Attribution Maps

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    Zhun Zhang / Qihe Liu / Chunjiang Wu et al. | DOAJ | 2023

    Optimal Model-Free Finite-Time Control Based on Terminal Sliding Mode for a Coaxial Rotor

    Free access
    Hossam Eddine Glida / Chouki Sentouh / Jagat Jyoti Rath | DOAJ | 2023

    Towards More Efficient Electric Propulsion UAV Systems Using Boundary Layer Ingestion

    Free access
    Jonathan Arias / Francisco Martinez / Edgar Cando et al. | DOAJ | 2023
    ( η p > 80 % ) . Indeed, the aerodynamic ...
    Keywords: drones

    Evaluating U-Space for UAM in Dense Controlled Airspace

    Free access
    Michal Černý / Adam Kleczatský / Tomáš Tlučhoř et al. | DOAJ | 2023

    A Multi-Regional Path-Planning Method for Rescue UAVs with Priority Constraints

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    Lexu Du / Yankai Fan / Mingzhen Gui et al. | DOAJ | 2023

    Fixed-Time Extended Observer-Based Adaptive Sliding Mode Control for a Quadrotor UAV under Severe Turbulent Wind

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    Armando Miranda-Moya / Herman Castañeda / Hesheng Wang | DOAJ | 2023

    SiamMAN: Siamese Multi-Phase Aware Network for Real-Time Unmanned Aerial Vehicle Tracking

    Free access
    Faxue Liu / Xuan Wang / Qiqi Chen et al. | DOAJ | 2023

    Impacts of Drone Flight Altitude on Behaviors and Species Identification of Marsh Birds in Florida

    Free access
    Jeremy P. Orange / Ronald R. Bielefeld / William A. Cox et al. | DOAJ | 2023
    Unmanned aerial vehicles (hereafter drones) are rapidly replacing manned aircraft as the preferred tool used for aerial wildlife surveys ...

    Numerical Simulation and Analysis of Droplet Drift Motion under Different Wind Speed Environments of Single-Rotor Plant Protection UAVs

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    Juan Wang / Xiaoyi Lv / Bohong Wang et al. | DOAJ | 2023
    with the 3WQF120-12 produced by Quanfeng Aviation, a representative model of single-rotor plant protection UAVs in China, still requires more ...

    Faba Bean (Vicia faba L.) Yield Estimation Based on Dual-Sensor Data

    Free access
    Yuxing Cui / Yishan Ji / Rong Liu et al. | DOAJ | 2023
    estimation accuracy. The results obtained are as follows: for a single-growth period, S2 (12 July 2019) had the best accuracy of the estimation model ...

    Semantic Scene Understanding with Large Language Models on Unmanned Aerial Vehicles

    Free access
    J. de Curtò / I. de Zarzà / Carlos T. Calafate | DOAJ | 2023
    descriptions. The generated texts achieve a GUNNING Fog median grade level in the range of 712. Applications of this framework could be found in the ...

    Estuary Stingray (Dasyatis fluviorum) Behaviour Does Not Change in Response to Drone Altitude

    Free access
    Emily Bourke / Vincent Raoult / Jane E. Williamson et al. | DOAJ | 2023
    The use of drones to study the behaviours of marine animals is increasing, yet the potential effects of drones on natural behaviours are ...

    Oxpecker: A Tethered UAV for Inspection of Stone-Mine Pillars

    Free access
    Bernardo Martinez Rocamora / Rogério R. Lima / Kieren Samarakoon et al. | DOAJ | 2023
    pillars to support time-lapse hazard mapping and time-dependent pillar degradation analysis. Given the height of the pillars (712 ...

    Animal Detection and Counting from UAV Images Using Convolutional Neural Networks

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    Kristina Rančić / Boško Blagojević / Atila Bezdan et al. | DOAJ | 2023
    In the last decade, small unmanned aerial vehicles (UAVs/drones) have become increasingly popular in the airborne observation of large ...

    Monitoring Maize Leaf Spot Disease Using Multi-Source UAV Imagery

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    Xiao Jia / Dameng Yin / Yali Bai et al. | DOAJ | 2023
    identification in four stages (4, 12, 19, and 30 days after inoculation). The results showed that multispectral indices involving the red, red edge, and ...

    Material Extrusion Additive Manufacturing of the Composite UAV Used for Search-and-Rescue Missions

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    Sebastian-Marian Zaharia / Ionut Stelian Pascariu / Lucia-Antoneta Chicos et al. | DOAJ | 2023
    was found that the maximum lift coefficient of 1.2 and the maximum drag coefficient of 0.06 were obtained at the angle of attack of 12°. After ...

    Piloting an Unmanned Aerial Vehicle to Explore the Floristic Variations of Inaccessible Cliffs along Island Coasts

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    Seongjun Kim / Chang Woo Lee / Hwan-Joon Park et al. | DOAJ | 2023
    the island, Type-S: other island aspects) and elevation. The studied coastal cliffs contained 94 flora taxa, of which 13 and 12 taxa were ...

    In Situ VTOL Drone-Borne Observations of Temperature and Relative Humidity over Dome C, Antarctica

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    Philippe Ricaud / Patrice Medina / Pierre Durand et al. | DOAJ | 2023
    installed aboard the drone coupled to an Anasphere SLW sensor. A total of thirteen flights were conducted from 24 December 2022 to 17 January 2023 ...