Results 31 to 40 of about 6,732 (195)
Aerodynamic Optimization Design of the Rotor Blade of a Tilt-rotor Aircraft
Hangkong gongcheng jinzhan, 2019 The aerodynamic design of tilt-rotor needs to synthetically consider the different requirements in helicopter mode and fixed-wing aircraft mode. The multi-objective genetic algorithm based on Kriging surrogate model is used to establish an optimization ...
Sun Kaijun +3 more
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Design and Implementation of a Novel Tilt-Rotor Tri-Copter UAV Configuration
Engineering ProceedingsHover-capable unmanned aerial vehicles (UAVs), including rotary-wing UAVs such as unmanned helicopters, multi-rotor drones, and tilt-rotor UAVs, are widely employed due to their hovering capabilities.
Zishi Shen, Fan Liu
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Effect of Rotor Tilt on the Gust Rejection Properties of Multirotor Aircraft
Drones, 2022 In order to operate safely in windy and gusty conditions, multirotor VTOL aircraft require gust resilience. This paper shows that their gust rejection properties can be improved by applying a small amount of fixed outward rotor tilt. Standard aerodynamic
James F. Whidborne +2 more
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Wind farm modelling of tilted rotors
Journal of Physics: Conference SeriesAbstract This study explores the benefits of tilted rotors in wind farms, focusing on a 3x3 grid of 10MW turbines and a 153-turbine farm modelled after the Hollandse-Kust West site with 15MW turbines. Computational Fluid Dynamics models ranging from mid to higher order, including FarmFlow (Parabolic RANS), TNO-VBM (RANS), and NREL-SOWFA (
Vimalakanthan, K. +2 more
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Dynamic Simulation of Tilted Rotor Quadcopter
International Journal of Innovative Technology and Exploring Engineering, 2019 Application of quadcopter unmanned aerial vehicle (UAV) has already become common today. As the name suggests, quadcopter has four rotors and these rotors can be classified into two types: fixed and tilted rotors. The maneuvering of quadcopter using the fixed rotor is achieved through the thrust differential.
Muhammad Nur Akmal Noor ‘Adzam +3 more
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Journal of Applied Science and Engineering, 2023 The tilt rotor aircraft is capable of both low-speed hovering and high-speed flight, which has a larger flight envelope. However, during its transition phase, due to the change of the mechanical structure, the dynamic characteristics of the rotor and the
Liben Yang +3 more
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Wind Field Disturbance Analysis and Flight Control System Design for a Novel Tilt-Rotor UAV
IEEE Access, 2020 The wind field has a great influence on the control stability of Tilt-rotor unmanned aerial vehicle (UAV), especially during the take-off and landing phase.
Qian Zhang +4 more
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Swashplate feedback control for tilt-rotor aircraft [PDF]
, 1974 Changes in angle of attack in system were sensed indirectly by gages which responded to strains induced in wing structure. Output signals were amplified, filtered, and used to activate swashplate actuators.
Alexander, H. R. +2 more
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International Journal of Aerospace Engineering, 2019 A computational method is developed in order to predict the unsteady aerodynamic characteristics of the tilt-rotor aircraft in conversion mode. In this approach, the rotor is modeled as an actuator disk so that the effect of individual blades can be ...
Hao Chen
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Cat-Inspired Gaits for a Tilt-Rotor—From Symmetrical to Asymmetrical
Robotics, 2022 Among the tilt-rotors (quadrotors) developed in recent decades, Ryll’s model with eight inputs (four magnitudes of thrusts and four tilting angles) attracted great attention.
Zhe Shen, Takeshi Tsuchiya
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