Showing 321 - 340 results of 557 for search '"Unmanned aerial vehicle"', query time: 0.05s Refine Results
  1. 321

    Power Management Strategy by Enhancing the Mission Profile Configuration of Solar-Powered Aircraft by Parvathy Rajendran, Kah Wee Lim, Kuan Theng Ong

    Published 2016-01-01
    “…Solar energy offers solar-powered unmanned aerial vehicle (UAV) the possibility of unlimited endurance. …”
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    Article
  2. 322

    Study on Driver Behavior Pattern in Merging Area under Naturalistic Driving Conditions by Yan Li, Han Zhang, Qi Wang, Zijian Wang, Xinpeng Yao

    Published 2024-01-01
    “…To reduce the risk of traffic conflicts in merging area, driver’s behavior pattern was analyzed to provide a theoretical basis for traffic control and conflict risk warning. The unmanned aerial vehicle (UAV) was used to collect the videos in two different types of merging zones: freeway interchange and service area. …”
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    Article
  3. 323

    Path Planning and Control of a Quadrotor UAV Based on an Improved APF Using Parallel Search by Tianpeng Huang, Deqing Huang, Na Qin, Yanan Li

    Published 2021-01-01
    “…Control and path planning are two essential and challenging issues in quadrotor unmanned aerial vehicle (UAV). In this paper, an approach for moving around the nearest obstacle is integrated into an artificial potential field (APF) to avoid the trap of local minimum of APF. …”
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    Article
  4. 324

    Identification of bald patches in degraded alpine meadows by UAV-based remote sensing and deep learning by Lu Wang, Lulu Cui, Zihan Song, Min Zheng, Chengyi Li, Xilai Li

    Published 2024-12-01
    “…In this study, high-resolution remote sensing image data of degraded alpine meadows was obtained using a low-altitude Unmanned Aerial Vehicle (UAV)-mounted imager. Afterwards, a standardized dataset was constructed through data screening and normalization, combined with expert experience to manually annotate the bald patches in the images. …”
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  5. 325

    Measuring. Monitoring. Management. Control by A.J. Alieva, Kh.S. Alieva, M.G. Ashrafov, N.Kh. Mustafazade

    Published 2024-12-01
    “…The issues of optimization of albedometric measurements carried out by spectrometric equipment installed on board an unmanned aerial vehicle (UAV) are considered. The aim of the work is to solve the problem of optimizing albedometric measurements, taking into account the logarithmic relationship between the raw primary digital readings (DN) and the real indicator of reflection of natural and artificial terrestrial objects in the red, green and blue spectral ranges. …”
    Article
  6. 326

    SEARCH ALGORITHM FOR THE PARAMETRIC IDENTIFICATION OF THE ELECTRIC DRIVE OF THE MONITORING SYSTEM by A. S. Abufanas, A. A. Lobaty, A. G. Shvedko

    Published 2017-08-01
    “…The problem of parametric identification of a mathematical model of a technical system or a device is considered, which considers the electric drive of a monitoring system installed on an unmanned aerial vehicle. Identification of the parameters of elements of a complex technical system is an actual scientific task, since when developing a new technical system for its synthesis and research, it is necessary to have mathematical models of the elements of the system.It is proposed to solve the problem by applying the search gradient identification algorithm for a given objective residual function in the form of a difference in the output signal of the identified element of the system and its model. …”
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    Article
  7. 327

    Recognition of UAVs in Infrared Images Based on YOLOv8 by Gang Zhou, Xiuqi Liu, Hongliang Bi

    Published 2025-01-01
    “…With the advancement of Unmanned Aerial Vehicle (UAV) technology, there has been a notable increase in the utilization of UAVs by criminals for engaging in illegal activities, which poses significant threats to critical infrastructure and national security. …”
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    Article
  8. 328

    Forest pest monitoring and early warning using UAV remote sensing and computer vision techniques by Xiaoyu Li, AChuan Wang

    Published 2025-01-01
    “…Abstract Unmanned aerial vehicle (UAV) remote sensing has revolutionized forest pest monitoring and early warning systems. …”
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    Article
  9. 329

    Understanding the nature of landslides through detailed geomorphological mapping on the Sumbing Volcanic Landscape, Java Island, Indonesia by Elok Surya Pratiwi, Su-min Shen, Junun Sartohadi

    Published 2024-12-01
    “…High-resolution LiDAR Digital Terrain Model (DTM), Global Navigation Satellite System (GNSS) data, Unmanned Aerial Vehicle (UAV)-based aerial photographs, and field surveys were integrated to enable detailed landform interpretation of post-volcanic mass wasting processes. …”
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    Article
  10. 330

    A Space Vector–Based Long-Range AOA Localization Algorithm With Reference Points by Chenxin Wang, Wenxing Fu, Tong Zhang, Guangyu Yang

    Published 2024-01-01
    “…In long-range missions based on angle-of-arrival positioning, the angle measurement error of unmanned aerial vehicles is a major source of error. Therefore, reducing the unmanned aerial vehicle angle measurement error is crucial to achieve accurate remote positioning. …”
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    Article
  11. 331

    An Innovative Aircraft Skin Damage Assessment Using You Only Look Once-Version9: A Real-Time Material Evaluation System for Remote Inspection by Kuo-Chien Liao, Jirayu Lau, Muhamad Hidayat

    Published 2025-01-01
    “…The system utilizes the real-time object detection capabilities of the you only look once-version 9 (YOLO v9) algorithm, combined with imagery captured from an unmanned aerial vehicle (UAV)-based aerial platform. This results in a system capable of detecting defects such as cracks and dents on the aircraft’s surface, even in areas that are difficult to reach, such as the upper surfaces of the wings or the higher parts of the fuselage. …”
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    Article
  12. 332

    Autonomous Real-Time Smoothness Control for Reliable DDQN-Based UAV Navigation Using Cellular Networks by Ghada Afifi, Yasser Gadallah

    Published 2025-01-01
    “…Reliable Unmanned Aerial Vehicle (UAV) navigation in urban environments is a crucial prerequisite for major civilian and military applications. …”
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    Article
  13. 333

    A Regional Landslide Stability Analysis Method under the Combined Impact of Rainfall and Vegetation Roots in South China by Qinghua Gong, Jun Wang, Ping Zhou, Min Guo

    Published 2021-01-01
    “…A typical mountainous watershed in the Nanling National Nature Reserve of South China was chosen as the study area. First, the unmanned aerial vehicle (UAV) method was used to obtain surface element information including topography, vegetation, and landslides. …”
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    Article
  14. 334

    Quadrotor Trajectory Planning with Tetrahedron Partitions and B-Splines in Unknown and Dynamic Environments by Jiayu Men, Jesús Requena Carrión

    Published 2024-12-01
    “…Trajectory planning is a key task in unmanned aerial vehicle navigation systems. Although trajectory planning in the presence of obstacles is a well-understood problem, unknown and dynamic environments still present significant challenges. …”
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    Article
  15. 335

    A Dynamic Motion Tracking Control Approach for a Quadrotor Aerial Mechanical System by Hugo Yañez-Badillo, Francisco Beltran-Carbajal, Ruben Tapia-Olvera, Antonio Valderrabano-Gonzalez, Antonio Favela-Contreras, Julio C. Rosas-Caro

    Published 2020-01-01
    “…Measurements of position output signals for efficient and robust tracking of motion profiles specified for the unmanned aerial vehicle are only required. Thus, differentiation of signals and real-time estimation of disturbances affecting the multi-input multioutput, underactuated nonlinear dynamic system are unnecessary. …”
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  16. 336

    A Bistatic Imaging Method for GEOSAR in the Strip Mode and UAVSAR in the Steering Beam Mode by W. Zhuo-qun, L. Ya-jun, S. Sheng, L. Shuang-shuang, X. Jin-guo, W. Jun-qiang, Z. Jian-hua

    Published 2018-01-01
    “…The bistatic configuration with a geosynchronous orbital SAR (GEOSAR) transmitter and unmanned aerial vehicle SAR (UAVSAR) receiver can continuously image in any dangerous and interesting district. …”
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    Article
  17. 337

    A spherical vector-based adaptive evolutionary particle swarm optimization for UAV path planning under threat conditions by Yanfei Liu, Hao Zhang, Hao Zheng, Qi Li, Qi Tian

    Published 2025-01-01
    “…Abstract Unmanned aerial vehicle (UAV) path planning is a constrained multi-objective optimization problem. …”
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    Article
  18. 338

    SAT: Spectrum-Adaptive Transformer with Spatial Awareness for UAV Target Tracking by Wanying Xu, Haijiang Sun, Shuai Wang

    Published 2024-12-01
    “…With the increasing threat of Unmanned Aerial Vehicle (UAV) intrusions, enhancing the perceptual capabilities of counter-UAV systems has become essential. …”
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  19. 339

    Joint Optimization Design of UAV-Active RIS System Based on a Quadratic Transformation by Yi Peng, Haolin Li, Qingqing Yang

    Published 2025-01-01
    “…Aiming at the problem of maximizing the average achievable rate (AAR) of users in the scenario of unmanned aerial vehicle (UAV) carrying an active reconfigurable intelligent surface (RIS) in the downlink communication system, a method based on quadratic transformation combined with semidefinite relaxation (SDR) and successive convex approximation (SCA) is proposed. …”
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  20. 340

    SHM-Traffic: DRL and Transfer Learning Based UAV Control for Structural Health Monitoring of Bridges With Traffic by Divija Swetha Gadiraju, Saeed Eftekhar Azam, Deepak Khazanchi

    Published 2025-01-01
    “…We propose an approach using Deep Reinforcement Learning (DRL)-based control for Unmanned Aerial Vehicle (UAV). Our approach conducts a concrete bridge deck survey while traffic is ongoing and detects cracks. …”
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    Article