Results 21 to 30 of about 10,092 (210)

Flight Dynamics Modeling and Dynamic Stability Analysis of Tilt-Rotor Aircraft

International Journal of Aerospace Engineering, 2019
The tilt-rotor aircraft has often been proposed as a means to increase the maximum speed of the conventional helicopter. The tilt-rotor aircraft consists of three primary flight modes that are the helicopter flight mode in low forward speed flight ...
Ke Lu, Chunsheng Liu, Chunhua Li, Renliang Chen   +3 more
doaj   +1 more source

Application of Automatic Differentiation for Tilt-Rotor Aircraft Flight Dynamics Analysis [PDF]

Journal of Aircraft, 2020
No abstract available.
Yuan, Ye, Thomson, Douglas, Anderson, David   +2 more
openaire   +3 more sources

Particle swarm optimization based proportional-derivative parameters for unmanned tilt-rotor flight control and trajectory tracking

Automatika, 2020
This paper presents the dynamic modelling and control technique for a tilt-rotor aerial vehicle operating in bi-rotor mode. This kind of aircraft combines two flight envelopes, making it ideal for scenarios that require hovering, vertical take-off ...
Nada El Gmili, Mostafa Mjahed, Abdeljalil El Kari, Hassan Ayad   +3 more
doaj   +1 more source

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.

doaj   +1 more source

Comprehensive Optimization of the Unmanned Tilt-Wing Cargo Aircraft With Distributed Propulsors

IEEE Access, 2020
The unmanned tilt-wing cargo aircraft using distributed propulsors is an emerging aircraft significantly different from traditional types. This paper proposes an aerodynamic, propulsion, noise, weight integrated optimization design method for this new ...
Gang Chen, Dongli Ma, Yuhong Jia, Xinglu Xia, Cheng He   +4 more
doaj   +1 more source

A Review on Vertical Take-Off and Landing (VTOL) Tilt-Rotor and Tilt Wing Unmanned Aerial Vehicles (UAVs)

Journal of Engineering, 2022
The Vertical Take-off and Landing (VTOL) unmanned aerial vehicles (UAVs) with the tilt-rotor mechanism also known as hybrid UAVs have a lot of challenges in designing and controlling concerning their use in harsh weather for surveillance and access to ...
Akshat Misra, Sudhakaran Jayachandran, Shivam Kenche, Anirudh Katoch, Arjun Suresh, Edison Gundabattini, Senthil Kumaran Selvaraj, Addisalem Adefris Legesse   +7 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

Numerical Calculations on the Unsteady Aerodynamic Force of the Tilt-Rotor Aircraft in Conversion Mode

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
doaj   +1 more source

Dynamic Modeling and Control for Tilt-Rotor UAV Based on 3D Flow Field Transient CFD

Drones, 2022
The tilt-rotor unmanned aerial vehicle (TRUAV) is characterized by both multi-rotor vertical takeoff or landing and fixed-wing long-duration flight. Not only the structure of TRUAV is complex, but also the aerodynamic coupling is severe.
Hongpeng Wang, Wenhao Sun, Changli Zhao, Sujie Zhang, Jianda Han   +4 more
doaj   +1 more source

A Multibody Model of Tilt-Rotor Aircraft Based on Kane’s Method

International Journal of Aerospace Engineering, 2019
A tilt-rotor aircraft can switch between two flight configurations (the helicopter configuration and the fixed-wing plane configuration) by tilting its rotors.
Jianmin Su, Chengyue Su, Sheng Xu, Xiaoxing Yang   +3 more
doaj   +1 more source