Results 51 to 60 of about 123 (110)

Output Error Method for Tiltrotor Unstable in Hover

Archive of Mechanical Engineering, 2017
This article investigates unstable tiltrotor in hover system identification from flight test data. The aircraft dynamics was described by a linear model defined in Body-Fixed-Coordinate System.
Lichota Piotr, Szulczyk Joanna
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Wind Disturbance Rejection Control Of Tilt Rotor Aircraft In Transition Phase Based On Improved Active Disturbance Rejection Control

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, Wenjun Wei, Jianfeng Yang, Dong Wang   +3 more
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Multi-Fidelity Aerodynamic Optimization of the Wing Extension of a Tiltrotor Aircraft

Applied Sciences
Given the fast-evolving context of electrical vertical takeoff and landing vehicles (eVTOL) based on the concept of tiltrotor aircraft, this work describes a framework aimed at the preliminary aerodynamic design and optimization of innovative lifting ...
Alberto Savino
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Modelling and Simulation in High-Fidelity Crash Analysis of NGCTR-TD Composite Wing

Aerospace
This paper presents a methodology that involves the development of high-fidelity modeling and simulation procedures aimed at supporting virtual certification for crashworthiness requirements specific to tiltrotor aircraft, addressing the critical need ...
Luigi Di Palma, Mariacristina Nardone, Claudio Pezzella, Marika Belardo   +3 more
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Hurdle-Hop Simulation of Tilt-Rotor Aircraft Based on Optimal Control Theory

Xibei Gongye Daxue Xuebao, 2020
Aiming at simulating the hurdle-hop of tilt-rotor aircraft in forward flight near the ground, two models of numerical simulation and analysis based on optimal control theory were proposed.

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Analysis of the influence of transition state control strategy on structural load of quad-tiltrotor

Hangkong gongcheng jinzhan
There are complex structural load changes in the rotor during the tilt-transition of quad-tiltrotor aircraft,which can directly affect the life of the rotor.
HE Yongtao, ZHANG Xiayang, WANG Xin, ZHENG Lixiong   +3 more
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Addressing Calibration Challenges for Large-Stroke Blade Pitch Control in Tiltrotor Aircraft via an Improved Cubic Polynomial Fitting Algorithm

Aerospace
Tiltrotor aircraft, due to their vertical takeoff and landing capability and efficient high-speed cruise performance, are increasingly valuable in both modern military and civilian applications.
Hang Feng, Shangyu Li, Kaicheng Li, Junquan Chen   +3 more
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Overall design and control analysis of a novel dual-axis tilt-rotor aircraft

Hangkong gongcheng jinzhan
The tilt-rotor aircraft combines the capabilities of vertical takeoff and landing with efficient high-speed cruising, making it suitable for short-haul low-altitude transportation.
DENG Li, LU Dongping, ZHANG Wei, WANG Nan, LEI Zonglin, YAN Junze, YANG Jianting   +6 more
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Research on Unsteady Aerodynamic Interference for the Tiltrotor Aircraft in Hover

Hangkong gongcheng jinzhan, 2019
The high resolution numerical simulation for rotor/wing-body interaction flow-field in hover is crucial for the accurate prediction of aerodynamic performance of the tilt-rotor aircraft, and is the one of the important issues of helicopter aerodynamics ...
Sun Kaijun, Zhang Bihui, Fu Yiwei, Zhang Lian   +3 more
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Design, Modeling, and Control of a Composite Tilt-Rotor Unmanned Aerial Vehicle

Drones
Tilt-rotor unmanned aerial vehicles combine the advantages of multirotor and fixed-wing aircraft, offering features like rapid takeoff and landing, extended endurance, and wide flight conditions.
Zhuang Liang, Li Fan, Guangwei Wen, Zhixiong Xu   +3 more
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