Results 11 to 20 of about 14,828 (260)
Insulator fault feature extraction system of substation equipment based on machine vision
IET Networks, EarlyView., 2022 Abstract The artificial intelligence technology and intelligent automation are more and more widely used, the insulators play a supporting and insulating role in the operation of the grid. The use of machine vision inspection technology to detect insulator faults has become an inevitable trend of the times.
Keruo Jiang +4 more
wiley +1 more source
A Novel Active Vibration Control Method for Helicopter Fuselages Based on Diffusion Cooperation
International Journal of Aerospace Engineering, 2023 Against the background of low-frequency vibration control for a helicopter fuselage in flight, active control of structural response (ACSR) has been employed for vibration control design.
Jingliang Li, Yang Lu
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Transient Vibration Loads Characteristics Analysis of Variable Speed Rotor
Applied SciencesTo investigate the rotor vibration loads during the variable speed transient process, a transient rotor aeroelastic method based on the medium beam deformation theory and Hamilton’s principle is developed to simulate the rotor transient dynamic loads in ...
Zhihao Yu +3 more
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Dynamic characteristics analysis of quadrotor unmanned aerial vehicle
Xibei Gongye Daxue XuebaoBecause of the unstable flight state caused by the excessive vibration of the support arms of a quadrotor unmanned aerial vehicle(UAV), its finite element analysis is carried out with the Nastran, and its vibration analysis are also carried out for ...
XING Longtao +4 more
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Modelling the helicopter rotor aerodynamics at forward flight with free wake model and URANS method
Aviation, 2020 The presented work is dedicated to the numerical study of the aerodynamic characteristics of the helicopter rotor. Two approaches to modeling of the rotor are applied: the free wake model developed by the Authors with using steady airfoil characteristics
Yuri Ignatkin +3 more
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Smart Bioinspired Material‐Based Actuators: Current Challenges and Prospects
Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.This work gathers, in a review style, an extensive and comprehensive literature overview on the development of autonomous actuators based on synthetic materials, bringing together valuable knowledge from several studies. Furthermore, the article identifies the fundamental principles of actuation mechanisms and defines key parameters to address the size
Alejandro Palacios +4 more
wiley +1 more source
Parametric influence numerical simulation study on blade serrations for noise reduction
Hangkong gongcheng jinzhanAt present, the rotors of multi-rotor drones have serious noise problems. This study investigates the influence and noise reduction mechanism of trailing-edge serrations on rotor aerodynamic noise based on bionics principles.
XIE Xinglong +3 more
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Dendrite Refinement and Improved Mechanical Properties of SiC/TiC/Al Hybrid Nanocomposites
Advances in Materials Science and Engineering, 2022 Hybrid nano-(SiCp + TiCp)/Al composites were fabricated by liquid ultrasonic assisted semisolid stirring processing. The eutectic silicon of Al matrix changes from acicular to fine granular with addition of nanoparticles and the dendrite size of primary ...
Hui Xie, Jinze Lv
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Photothermal bubble: Dynamics, manipulation, and applications
Droplet, EarlyView.As a versatile platform for bubble manipulation, photothermal techniques empower diverse operations: planar translation by scanning the laser spot, sustained periodic bouncing from competing thermal and hydrodynamic flows, and even guided 3D trajectories achieved by tailoring the heating configuration.
Man Hu, Feng Wang, Daosheng Deng
wiley +1 more source