Showing 461 - 480 results of 653 for search '"fixed-wing"', query time: 0.10s Refine Results
  1. 461

    Aerodynamic Analysis of a Low-Speed Tandem-Channel Wing for eVTOL Aircraft Considering Propeller–Wing Interaction by Min Chang, Zhongyuan Zheng, Xiaoxuan Meng, Junqiang Bai, Bo Wang

    Published 2022-11-01
    “…Fixed-wing aircraft with vertical takeoff and landing capabilities need a lower speed and a higher lift during transition. …”
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    Article
  2. 462

    Modeling the Relationships between the Height and Spectrum of Submerged Tufa Barrage Using UAV-Derived Geometric Bathymetry and Digital Orthoimages by Jinchen He, Jiayuan Lin, Yanhao Xu

    Published 2021-10-01
    “…In this study, we used a fixed-wing UAV and a consumer-grade camera to acquire images of the submerged tufa barrage in Lying Dragon Lake, Jiuzhaigou National Nature Reserve, China, and estimated the height of the tufa barrage through UAV-based photogrammetric bathymetry. …”
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    Article
  3. 463

    Life-Cycle Assessment of a Multi-Megawatt Airborne Wind Energy System by Luuk van Hagen, Kristian Petrick, Stefan Wilhelm, Roland Schmehl

    Published 2023-02-01
    “…The selected airborne wind energy system is based on the design of Ampyx Power, using a fixed-wing aircraft that is tethered to a generator on the ground. …”
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    Article
  4. 464

    Fault Detection and Fault-Tolerant Cooperative Control of Multi-UAVs under Actuator Faults, Sensor Faults, and Wind Disturbances by Zhongyu Yang, Mengna Li, Ziquan Yu, Yuehua Cheng, Guili Xu, Youmin Zhang

    Published 2023-08-01
    “…Fault detection (FD) and fault-tolerant cooperative control (FTCC) strategies are proposed in this paper for multiple fixed-wing unmanned aerial vehicles (UAVs) under actuator faults, sensor faults, and wind disturbances. …”
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    Article
  5. 465

    Comparative Analysis of the Load Spectra Recorded During Photogrammetric Missions of Lightweight Uavs in Tailless and Conventional Configurations by Mirosław Rodzewicz, Dominik Głowacki, Jaroslaw Hajduk

    Published 2023-11-01
    “…The purpose of this article is to present the results of the investigation regarding the differences of the load spectra of two unmanned fixed-wing aircraft performing photogrammetry missions: X-8 (flying wing) and PW-ZOOM (conventional configuration). …”
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    Article
  6. 466

    Features of Invariant Extended Kalman Filter Applied to Unmanned Aerial Vehicle Navigation by Nak Yong Ko, Wonkeun Youn, In Ho Choi, Gyeongsub Song, Tae Sik Kim

    Published 2018-08-01
    “…The test used two different types of UAVs: rotary wing and fixed wing. The method uses sensor measurements of the location and velocity from a GPS receiver; the acceleration, angular rate, and magnetic field from a microelectromechanical system-attitude heading reference system (MEMS-AHRS); and the altitude from a barometric sensor. …”
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    Article
  7. 467

    AN ASSESSMENT OF ELECTRIC STOL AIRCRAFT by Courtin, Christopher B., Hansman, R. John

    Published 2019
    “…One application of this technology is to greatly enhance the short takeoff and landing (STOL) capability of a fixed-wing aircraft. STOL aircraft may have advantages over vertical takeoff and land (VTOL) configurations being considered for urban passenger transport missions due to lower risk associated with the certification process and improved performance or reduced weight due to smaller required propulsion systems. …”
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    Thesis
  8. 468

    Eyes in the Sky: Drones Applications in the Built Environment under Climate Change Challenges by Bayomi, Norhan, Fernandez, John E.

    Published 2023
    “…The paper begins by providing an overview of the different types of drones used in the built environment, including quadcopters, fixed-wing drones, and hybrid models. It explores their capabilities and features, such as high-resolution cameras, LiDAR sensors, and thermal imaging, which enable detailed data acquisition for studying climate change impacts in urban areas. …”
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    Article
  9. 469

    Design and experimental validation of a robust output feedback control for the coupled dynamics of a micro air vehicle by Harikumar, Kandath., Dhall, Sidhant, Bhat, Seetharama

    Published 2020
    “…This paper addresses the design and experimental validation of a linear robust static output feedback controller for a 150 mm span fixed wing micro air vehicle (MAV). Severe coupling between longitudinal and lateral dynamics of the MAV lead to the design of a multivariable controller for the combined dynamics. …”
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    Journal Article
  10. 470

    Ground Stereo Vision-based Navigation for Autonomous Take-off and Landing of UAVs: A Chan-Vese Model Approach by Tang, Dengqing, Hu, Tianjiang, Shen, Lincheng, Zhang, Daibing, Kong, Weiwei, Low, Kin Huat

    Published 2016
    “…This article aims at flying target detection and localization of a fixed-wing unmanned aerial vehicle (UAV) autonomous take-off and landing within Global Navigation Satellite System (GNSS)-denied environments. …”
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    Journal Article
  11. 471

    Modeling and control of an articulated multibody aircraft by Ogunwa, Titilayo, Abdullah, Ermira, Chahl, Javaan

    Published 2022
    “…The demonstrated aircraft model was a dragonfly-like fixed-wing aircraft. The control effect of the moving abdomen was comparable to the control surfaces, with lateral abdominal motion substituting for an aerodynamic rudder to achieve coordinated turns. …”
    Article
  12. 472

    Search and rescue (SAR) operations for the missing Bell 206 Long Ranger helicopter in Sarawak, Malaysia using near real-time airborne hyperspectral imaging system by Jusoff, Kamaruzaman

    Published 2008
    “…Design/methodology/approach – A Sabah Air GAF Nomad N22B low altitude fixed wing aircraft equipped with an AISA airborne hyperspectral imaging system flew over the steep gradient carved by very narrow valleys, ridges, precipitous escarpments and ravines, extensively covered by thick virgin forest of the highlands. …”
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    Article
  13. 473

    Digital mapping using low altitude UAV by Ahmad, Anuar

    Published 2011
    “…In this study, a light weight fixed wing UAV was used as a platform and a high resolution digital camera was used to acquire aerial digital images of the study area. …”
    Article
  14. 474

    A comparative study of modern UAV platform for topographic mapping by Chaudhry, Muhammad Hamid, Ahmad, Anuar, Gulzar, Qudsia

    Published 2020
    “…Two different types of UAV surveying platforms used are eBee classic fixed wing (eBee) and DJI Phantom 4 Advanced (P4) multirotor quadcopter. …”
    Conference or Workshop Item
  15. 475

    A Nonlinear Robust Sliding Mode Controller with Auxiliary Dynamic System for the Hovering Flight of a Tilt Tri-Rotor UAV by Guang He, Li Yu, Huaping Huang, Xiangke Wang

    Published 2020-09-01
    “…The tilt tri-rotor unmanned aerial vehicle (UAV) has three flight modes: the hover mode, the transition mode, and the fixed-wing mode. Controller design in the hover mode is the premise of realizing stable flight of this kind of UAV. …”
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    Article
  16. 476

    Novelty Detection Classifiers in Weed Mapping: Silybum marianum Detection on UAV Multispectral Images by Thomas K. Alexandridis, Afroditi Alexandra Tamouridou, Xanthoula Eirini Pantazi, Anastasia L. Lagopodi, Javid Kashefi, Georgios Ovakoglou, Vassilios Polychronos, Dimitrios Moshou

    Published 2017-09-01
    “…A multispectral camera (green-red-NIR) on board a fixed wing unmanned aerial vehicle (UAV) was employed for obtaining high-resolution images. …”
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    Article
  17. 477

    Structural Health Monitoring of Helicopter Fuselage by Robert Hudec, Ladislav Janousek, Miroslav Benco, Pavol Makys, Vladimir Wieser, Martina Zachariasova, Matej Pacha, Vladimir Vavrus, Martin Vestenicky

    Published 2013-06-01
    “…The helicopter design is a challenging experience for fatigue concern as it is subjected to a very wide range of low- and high-frequency load cycles per flight, much more than a fixed wing aircraft. Structural Health Monitoring (SHM) seems to have capability in helping to reduce the maintenance and operational costs, which are about 25 percent of the direct operating cost of the helicopter, thus playing an important role especially in the case of the ageing helicopters. …”
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    Article
  18. 478

    The Scientific Operations of Snow Eagle 601 in Antarctica in the Past Five Austral Seasons by Xiangbin Cui, Jamin S. Greenbaum, Shinan Lang, Xi Zhao, Lin Li, Jingxue Guo, Bo Sun

    Published 2020-09-01
    “…The Snow Eagle 601 fixed-wing airborne platform has been deployed by China for Antarctic expeditions since 2015. …”
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    Article
  19. 479

    Progress and prospects in spatial orientation disorders in rotorcraft pilots by CHANG Tong, CHANG Tong, WANG Xiaocheng, WANG Xiaocheng

    Published 2024-01-01
    “…However, current research on spatial orientation for rotary-wing aviators is still lack, and attention to the field remains in sufficient. Unlike fixed-wing aircraft pilots, the rotary-wing aviators face unique characteristics and challenges in disorders of spatial orientation. …”
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    Article
  20. 480

    Sidelobe Suppression Techniques for Near-Field Multistatic SAR by George A. J. Price, Chris Moate, Daniel Andre, Peter Yuen

    Published 2023-01-01
    “…Multirotor Unmanned Air Systems (UAS) represent a significant improvement in capability for Synthetic Aperture Radar (SAR) imaging when compared to traditional, fixed-wing, platforms. In particular, a swarm of UAS can generate significant measurement diversity through variation of spatial and frequency collections across an array of sensors. …”
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    Article