Results 71 to 80 of about 207,288 (348)

Robust path planning for avoiding obstacles using time-environment dynamic map

Measurement + Control, 2020
Small unmanned aerial vehicles are widely used in urban space because of its flexibility and maneuverability. However, there are full of dynamic obstacles and immobile obstacles which will affect safe flying in urban space.
Xiaolin Zhao, Yu Zhang, Boxin Zhao
doaj   +1 more source

Application of blockchain in the cluster of unmanned aerial vehicles

IET Blockchain, 2021
With the considerable exploration of unmanned aerial vehicles in civilian and military fields, the data storage and transmission mechanism of unmanned aerial vehicles exhibit significant security limitations, which cannot meet the strict requirements for
Shiwu Chen, Qin Li, Wei Wang, Yu Yang, Jun Jiang   +4 more
doaj   +1 more source

Formation Control of Multi‐Agent System with Local Interaction and Artificial Potential Field

Advanced Robotics Research, EarlyView.
This article proposes a local interaction‐based formation control method for Multi‐Agent system, integrating consensus and leader‐follower strategies with a stress response mechanism—artificial potential field to reduce communication overhead and enable obstacle avoidance. Experimental results on triangular, square, and hexagonal formations confirm its
Luoyin Zhao, Zheping Yan, Yuqing Wang, Raye Chen‐Hua Yeow   +3 more
wiley   +1 more source

Autonomous three-dimensional formation flight for a swarm of unmanned aerial vehicles

, 2011
This paper investigates the development of a new guidance algorithm for a formation of unmanned aerial vehicles. Using the new approach of bifurcating potential fields, it is shown that a formation of unmanned aerial vehicles can be successfully ...
Derek J. Bennet, Suzuki, M., Uchiyama, Kenji, McInnes, Colin, M. Suzuki, Uchiyama, K., Bennet, Derek James, Bennet, Derek J., C. R. MacInnes, K. Uchiyama, Suzuki, Masayuki, McInnes, C.R.   +11 more
core   +1 more source

Preliminary Design and Optimization Approach of Electric FW-VTOL UAV Based on Cell Discharge Characteristics

Drones
The electric vertical take-off and landing fixed-wing (FW-VTOL) unmanned aerial vehicle (UAV) combines the advantages of fixed-wing aircraft and multi-rotor aircraft.
Cheng He, Yuqi Tong, Diyi Liu, Shipeng Yang, Fengjiang Zhan   +4 more
doaj   +1 more source

Grip and Grasp: Lizard Claw Inspired Robotic Manipulators

Advanced Robotics Research, EarlyView.
Our study identifies the most effective lizard claw shape for use as an end effector in a bioinspired robotic manipulator. By examining key geometric features and combining them into comparative indices, the Crotaphytus collaris claw is found to be the best fit.
Hyeon Lee, Kate Douglas, Asyiah Bray, Andrea Rummel, Parvez Alam   +4 more
wiley   +1 more source

Research on the aerodynamic characteristics of eVTOL aircraft ducted rotor tip embedded inside the ducted body

Scientific Reports
The lift system constitutes a pivotal technology in the makeup of vertical takeoff and landing aircraft systems. The application of ducted rotors in urban air mobility(UAM) has advantages and is one of the future development trends.
Siliang Du, Yi Zha, Chong Li, Zhiming Lu, Qijun Zhao   +4 more
doaj   +1 more source

Research on Lithium Battery Health State Prediction Model Based on Multimodal Signal Decomposition and Uncertainty Quantification Technology

Journal of Applied Science and Engineering
Precise estimation of lithium-ion battery State of Health (SOH) is essential for the safe and efficient operation of energy systems and electronic devices.
Jiangjiang Li, Lijuan Feng, Junyan Zhao, Jingfen Li   +3 more
doaj   +1 more source

Detection of unmanned aerial vehicle trajectory using overlapping images

RUDN Journal of Engineering Research, 2023
Currently, unmanned aerial vehicles are widely used with navigation based on data from onboard integrated systems including inertial and satellite sensors.
Vladimir G. Andronov, Andrey A. Chuev, Nikita S. Dubrovsky   +2 more
doaj   +1 more source

Overview of Propulsion Systems for Unmanned Aerial Vehicles

Energies, 2022
Unmanned Aerial Vehicle (UAV) propulsion technology is significantly related to the flight performance of UAVs, which has become one of the most important development directions of aviation.
Bowen Zhang, Zaixin Song, Fei Zhao, Chunhua Liu   +3 more
semanticscholar   +1 more source