Results 41 to 50 of about 2,332 (184)
Accurate Predictions of Hovering Rotor Flows Using CFD [PDF]
, 2017 With work on the S-76 rotor providing encouraging results regarding the prediction of integral loads with CFD in hover, the XV-15 rotor is now analysed. Fully turbulent and transitional results are obtained showing the capability of modern CFD methods.
Barakos, George N. +2 more
core +1 more source
PairTilt: Design and Control of an Active Tilt‐Rotor Quadcopter for Improved Efficiency and Agility
Advanced Intelligent Systems, Volume 7, Issue 7, July 2025.PairTilt is an actuated tilt‐rotor unmanned aerial vehicle capable of active shape reconfiguration, balancing simplicity, efficiency, and agility. Its H‐shaped frame incorporates pairwise tiltable rotors, which reduce gyroscopic torque and decouple key dynamics, enhancing maneuverability and reducing drag.
Jerry Tang, Mark W. Mueller
wiley +1 more source
MachinesTo address the critical challenge of controlling tiltrotor aircraft during transition mode, this paper proposes a fractional-order model reference adaptive control (FO-MRAC) method based on the unique modeling of the tiltrotor aircraft. A nonlinear model
Junkai Liang +3 more
doaj +1 more source
The Investigation on L1 Adaptive Control of the Tilt-Rotor Aircraft
International Journal of Aerospace Engineering, 2021 Considering the uncertainty of the flight dynamics model of the tilt-rotor aircraft in different flight modes, an L1 adaptive controller for full flight modes control system of tilt-rotor aircraft is designed.
Quanlong Chen +5 more
doaj +1 more source
Robust Trajectory-Tracking for a Bi-Copter Drone Using INDI: A Gain Tuning Multi-Objective Approach
Robotics, 2022 This paper presents an optimized robust trajectory control system for an autonomous tiltrotor bi-copter based on an incremental nonlinear dynamic inversion (INDI) strategy combined with a set of PID/PD controllers. The methodology includes a lower level,
Maryam Taherinezhad +2 more
doaj +1 more source
A Review of Modeling and Control Techniques for Unmanned Aerial Vehicles
Engineering Reports, Volume 7, Issue 6, June 2025.By systematically classifying UAV modeling techniques and comparing control methods, this paper addresses a notable gap in the current literature. Furthermore, it highlights emerging trends and challenges in UAV control systems, providing valuable insights to guide future research toward enhancing the stability, efficiency, and adaptability of ...
Elisabeth Andarge Gedefaw +2 more
wiley +1 more source
The key technologies of tiltrotor pylon conversion actuator
Hangkong gongcheng jinzhanTiltrotor which combines the advantages of helicopters and fixed wing aircraft，is a key direction for future aviation equipment development. The key component of tiltrotor-pylon conversion actuator is focused.
LI Hailin +5 more
doaj +1 more source
Research on Pilot Control Strategy and Workload for Tilt-Rotor Aircraft Conversion Procedure
Aerospace, 2023 This paper studies the pilot control strategy and workload of a tilt-rotor aircraft dynamic conversion procedure between helicopter mode and fixed-wing mode.
Xufei Yan, Ye Yuan, Renliang Chen
doaj +1 more source
Interactional Aerodynamics Analysis of a Multirotor Energy Kite
Wind Energy, Volume 28, Issue 1, January 2025.ABSTRACT Airborne wind energy (AWE) technology aspires to provide increased options for wind energy harvesting at a lower cost than conventional turbines. As AWE technology is still in its infancy, there is relatively little published information concerning its aerodynamic details.
Judd Mehr +2 more
wiley +1 more source
A Novel Aerodynamic Modeling Method Based on Data for Tiltrotor evtol
Applied SciencesA data-driven aerodynamic modeling method is proposed to address the problem that traditional modeling methods based on physical mechanisms cannot fully represent the special aerodynamic characteristics of tiltrotor evtol aircraft.
Haiyang Wang, Peng Li, Dongsu Wu
doaj +1 more source