Results 31 to 40 of about 1,986 (195)

Three-Dimensional Flight Envelope for V/STOL Aircraft with Multiple Flight Modes

open access: yesAerospace, 2022
Vertical or short take-off and landing (V/STOL) aircraft generally have three flight modes, namely, vertical take-off and landing (VTOL), conversion, and cruise, according to the variable angle of propulsion direction to the fuselage axis.
Tielin Ma   +4 more
doaj   +1 more source

Whirl Flutter Suppression of Tiltrotor Aircraft Using Actively Controlled Aileron

open access: yesAerospace, 2022
Whirl flutter of a tiltrotor aircraft is a complex aeroelastic phenomenon and it can result in catastrophic consequences. The deflection of an aileron mounted on a wing has the potential to solve this fatal problem.
Linghua Dong, Qiyu Li
doaj   +1 more source

Quad-Tiltrotor – modelling and control [PDF]

open access: yesJournal of Marine Engineering & Technology, 2017
Aircrafts with VTOL capabilities announced a new era in marine aviation. Their aerodrome requirements, which are as low as for helicopters, make them excellent candidates for many missions required...
Marcin Ciopcia, Cezary Szczepański
openaire   +1 more source

Aeroelastic Tailoring of the Next Generation Civil Tiltrotor Technological Demonstrator Composite Wing

open access: yesAerospace, 2022
The tiltrotor wing structure is one of the most critical and heavily investigated structures in design due to the fundamental need to consider the interactions between the wing, pylon, and rotor systems to achieve aircraft aeroelastic stability.
Aniello Daniele Marano   +8 more
doaj   +1 more source

Integration of Sensors in Control and Automation Systems 2020

open access: yes, 2022
Journal of Sensors, Volume 2022, Issue 1, 2022.
Rafael Morales   +3 more
wiley   +1 more source

Development and design of tiltrotor nacelle's (NGCTR)

open access: yes12th EASN International Conference on Innovation in Aviation & Space for Opening New Horizons, 2022
TRAIL - Design, manufacture and deliver a high performance, low cost, low weight Nacelle Structure for Next Generation Tilt-Rotor (NGCTR), Clean Sky 2 Joint Undertaking, European Union (EU), Horizon 2020 EU Grant agreement ID: 864726 DISCLAIMER “The content of this document reflects only the author’s view.
openaire   +2 more sources

Numerical simulations on the ERICA tiltrotor [PDF]

open access: yesAerospace Science and Technology, 2017
This paper presents aerodynamic calculations of the model-scale ERICA tiltrotor with high-fidelity\ud computational fluid dynamics. The aim of this work is to assess the capability of the present CFD\ud method in predicting airloads on the tiltrotor at different flight configurations. In this regard, three\ud representative flight configurations of the
Jimenez Garcia, Antonio   +1 more
openaire   +1 more source

Assessment of a Mid-Fidelity Numerical Approach for the Investigation of Tiltrotor Aerodynamics

open access: yesApplied Sciences, 2021
The study of the complex aerodynamics that characterise tiltrotors represents a challenge for computational fluid dynamics tools. URANS numerical solvers are typically used to explore the aerodynamic features that characterise the different flight ...
Alex Zanotti   +4 more
doaj   +1 more source

Design and Implementation of a Hardware‐in‐the‐Loop Simulation System for a Tilt Trirotor UAV

open access: yesJournal of Advanced Transportation, Volume 2020, Issue 1, 2020., 2020
The tilt trirotor unmanned aerial vehicle (UAV) is a novel aircraft that has broad application prospects in transportation. However, the development progress of the aircraft is slow due to the complicated control system and the high cost of the flight experiment.
Li Yu   +5 more
wiley   +1 more source

Minimally Actuated Tiltrotor for Perching and Normal Force Exertion

open access: yes2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2023
This study presents a new hardware design and control of a minimally actuated 5 control degrees of freedom (CDoF) quadrotor-based tiltrotor. The proposed tiltrotor possesses several characteristics distinct from those found in existing works, including: 1) minimal number of actuators for 5 CDoF, 2) large margin to generate interaction force during ...
Dongjae Lee   +4 more
openaire   +2 more sources

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