Drones, Vol. 8, Pages 330: YOMO-Runwaynet: A Lightweight Fixed-Wing Aircraft Runway Detection Algorithm Combining YOLO and MobileRunwaynet
MDPI » Drones
by Wei Dai, Zhengjun Zhai, Dezhong Wang, Zhaozi Zu, Siyuan Shen, Xinlei Lv, Sheng Lu, Lei Wang
13h ago
Drones, Vol. 8, Pages 330: YOMO-Runwaynet: A Lightweight Fixed-Wing Aircraft Runway Detection Algorithm Combining YOLO and MobileRunwaynet Drones doi: 10.3390/drones8070330 Authors: Wei Dai Zhengjun Zhai Dezhong Wang Zhaozi Zu Siyuan Shen Xinlei Lv Sheng Lu Lei Wang The runway detection algorithm for fixed-wing aircraft is a hot topic in the field of aircraft visual navigation. High accuracy, high fault tolerance, and lightweight design are the core requirements in the domain of runway feature detection. This paper aims to address these needs by proposing a lightweight runway feature detection ..read more
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Drones, Vol. 8, Pages 331: Vision-Based Anti-UAV Detection Based on YOLOv7-GS in Complex Backgrounds
MDPI » Drones
by Chunjuan Bo, Yuntao Wei, Xiujia Wang, Zhan Shi, Ying Xiao
13h ago
Drones, Vol. 8, Pages 331: Vision-Based Anti-UAV Detection Based on YOLOv7-GS in Complex Backgrounds Drones doi: 10.3390/drones8070331 Authors: Chunjuan Bo Yuntao Wei Xiujia Wang Zhan Shi Ying Xiao Unauthorized unmanned aerial vehicles (UAVs) pose threats to public safety and individual privacy. Traditional object-detection approaches often fall short during their application in anti-UAV technologies. To address this issue, we propose the YOLOv7-GS model, which is designed specifically for the identification of small UAVs in complex and low-altitude environments. This research primarily aims t ..read more
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Drones, Vol. 8, Pages 332: An All-Time Detection Algorithm for UAV Images in Urban Low Altitude
MDPI » Drones
by Yuzhuo Huang, Jingyi Qu, Haoyu Wang, Jun Yang
13h ago
Drones, Vol. 8, Pages 332: An All-Time Detection Algorithm for UAV Images in Urban Low Altitude Drones doi: 10.3390/drones8070332 Authors: Yuzhuo Huang Jingyi Qu Haoyu Wang Jun Yang With the rapid development of urban air traffic, Unmanned Aerial Vehicles (UAVs) are gradually being widely used in cities. Since UAVs are prohibited over important places in Urban Air Mobility (UAM), such as government and airports, it is important to develop air–ground non-cooperative UAV surveillance for air security all day and night. In the paper, an all-time UAV detection algorithm based on visi ..read more
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Drones, Vol. 8, Pages 328: Control and Application of Tree Obstacle-Clearing Coaxial Octocopter with Flexible Suspension Saw
MDPI » Drones
by Luwei Liao, Zhong Yang, Haoze Zhuo, Nuo Xu, Wei Wang, Kun Tao, Jiabing Liang, Qiuyan Zhang
2d ago
Drones, Vol. 8, Pages 328: Control and Application of Tree Obstacle-Clearing Coaxial Octocopter with Flexible Suspension Saw Drones doi: 10.3390/drones8070328 Authors: Luwei Liao Zhong Yang Haoze Zhuo Nuo Xu Wei Wang Kun Tao Jiabing Liang Qiuyan Zhang Aiming at the challenges of clearing tree obstacles along power transmission lines, the control and application of a novel Tree-Obstacle Clearing Coaxial Octocopter with Flexible Suspension Saw (TOCCO-FSS) have been investigated. Firstly, an overall scheme design and modeling of the TOCCO-FSS were conducted, and dynamic modeling of the TOCCO-FSS ..read more
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Drones, Vol. 8, Pages 329: Real-Time Registration of Unmanned Aerial Vehicle Hyperspectral Remote Sensing Images Using an Acousto-Optic Tunable Filter Spectrometer
MDPI » Drones
by Hong Liu, Bingliang Hu, Xingsong Hou, Tao Yu, Zhoufeng Zhang, Xiao Liu, Jiacheng Liu, Xueji Wang
2d ago
Drones, Vol. 8, Pages 329: Real-Time Registration of Unmanned Aerial Vehicle Hyperspectral Remote Sensing Images Using an Acousto-Optic Tunable Filter Spectrometer Drones doi: 10.3390/drones8070329 Authors: Hong Liu Bingliang Hu Xingsong Hou Tao Yu Zhoufeng Zhang Xiao Liu Jiacheng Liu Xueji Wang Differences in field of view may occur during unmanned aerial remote sensing imaging applications with acousto-optic tunable filter (AOTF) spectral imagers using zoom lenses. These differences may stem from image size deformation caused by the zoom lens, image drift caused by AOTF wavelength switching ..read more
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Drones, Vol. 8, Pages 327: Control of Helicopter Using Virtual Swashplate
MDPI » Drones
by Jonathan Flores, Sergio Salazar, Ivan Gonzalez-Hernandez, Yukio Rosales, Rogelio Lozano, Eduardo Salazar, Benjamin Nicolas
3d ago
Drones, Vol. 8, Pages 327: Control of Helicopter Using Virtual Swashplate Drones doi: 10.3390/drones8070327 Authors: Jonathan Flores Sergio Salazar Ivan Gonzalez-Hernandez Yukio Rosales Rogelio Lozano Eduardo Salazar Benjamin Nicolas This article presents a virtual swashplate mechanism for a mini helicopter in classic configuration. The propeller bases are part of a passive mechanism driven by main rotor torque modulaton, this mechanism generates a synchronous and opposite change in the propellers angle of attack, then the thrust vector tilts. This approach proposes to control the 6 degrees of ..read more
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Drones, Vol. 8, Pages 326: Multi-UAVs Tracking Non-Cooperative Target Using Constrained Iterative Linear Quadratic Gaussian
MDPI » Drones
by Can Zhang, Yidi Wang, Wei Zheng
4d ago
Drones, Vol. 8, Pages 326: Multi-UAVs Tracking Non-Cooperative Target Using Constrained Iterative Linear Quadratic Gaussian Drones doi: 10.3390/drones8070326 Authors: Can Zhang Yidi Wang Wei Zheng This study considers the problem of controlling multi-unmanned aerial vehicles (UAVs) to consistently track a non-cooperative ground target with uncertain motion in a hostile environment with obstacles. An active information acquisition (AIA) problem is formulated to minimize the uncertainty of the target tracking task. The uncertain motion of the target is represented as a Wiener process. First, we ..read more
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Drones, Vol. 8, Pages 323: Intelligent Control Strategy for Robotic Manta via CPG and Deep Reinforcement Learning
MDPI » Drones
by Shijie Su, Yushuo Chen, Cunjun Li, Kai Ni, Jian Zhang
6d ago
Drones, Vol. 8, Pages 323: Intelligent Control Strategy for Robotic Manta via CPG and Deep Reinforcement Learning Drones doi: 10.3390/drones8070323 Authors: Shijie Su Yushuo Chen Cunjun Li Kai Ni Jian Zhang The robotic manta has attracted significant interest for its exceptional maneuverability, swimming efficiency, and stealthiness. However, achieving efficient autonomous swimming in complex underwater environments presents a significant challenge. To address this issue, this study integrates Deep Deterministic Policy Gradient (DDPG) with Central Pattern Generators (CPGs) and proposes a CPG-b ..read more
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Drones, Vol. 8, Pages 324: Event-Triggered Collaborative Fault Diagnosis for UAV–UGV Systems
MDPI » Drones
by Runze Li, Bin Jiang, Yan Zong, Ningyun Lu, Li Guo
6d ago
Drones, Vol. 8, Pages 324: Event-Triggered Collaborative Fault Diagnosis for UAV–UGV Systems Drones doi: 10.3390/drones8070324 Authors: Runze Li Bin Jiang Yan Zong Ningyun Lu Li Guo The heterogeneous unmanned system, which is composed of unmanned aerial vehicles (UAV) and unmanned ground vehicles (UGV), has been broadly applied in many domains. Collaborative fault diagnosis (CFD) among UAVs and UGVs has become a key technology in these unmanned systems. However, collaborative fault diagnosis in unmanned systems faces the challenges of the dynamic environment and limited communication ..read more
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Drones, Vol. 8, Pages 321: Federated Reinforcement Learning for Collaborative Intelligence in UAV-Assisted C-V2X Communications
MDPI » Drones
by Abhishek Gupta, Xavier Fernando
6d ago
Drones, Vol. 8, Pages 321: Federated Reinforcement Learning for Collaborative Intelligence in UAV-Assisted C-V2X Communications Drones doi: 10.3390/drones8070321 Authors: Abhishek Gupta Xavier Fernando This paper applies federated reinforcement learning (FRL) in cellular vehicle-to-everything (C-V2X) communication to enable vehicles to learn communication parameters in collaboration with a parameter server that is embedded in an unmanned aerial vehicle (UAV). Different sensors in vehicles capture different types of data, contributing to data heterogeneity. C-V2X communication networks impose a ..read more
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