Zobrazeno 1 - 10
of 506
pro vyhledávání: '"tiltrotor"'
Publikováno v:
Aircraft Engineering and Aerospace Technology, 2024, Vol. 96, Issue 9, pp. 1139-1151.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/AEAT-06-2023-0167
Autor:
Siliang Du, Yi Zha
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract In order to enhance the stability of the tilt transition process, a new configuration of Quad-Tiltrotor UAV was presented in this paper. Firstly, numerical simulation was used to calculate and analyze the aerodynamic interaction between the
Externí odkaz:
https://doaj.org/article/28ab0484925740efad11d95fa8fe181f
Publikováno v:
Aerospace, Vol 11, Iss 8, p 632 (2024)
Numerical simulations were conducted to analyze the unsteady aerodynamic characteristics of a tiltrotor aircraft with different conversion strategies. Firstly, the CFD method was established by taking the interaction between the rotor and wing into a
Externí odkaz:
https://doaj.org/article/67ceae67b8b04dd69467a08ff0ec7569
Autor:
Xiaodi Tao, Seong Young Ko
Publikováno v:
Applied Sciences, Vol 14, Iss 14, p 6181 (2024)
In recent years, there has been a significant amount of research on tiltrotor multicopter unmanned aerial vehicles (TM-UAVs) in aerial robotics. Despite the varying frame types of TM-UAVs, they all still aim to decouple the propeller from the body, w
Externí odkaz:
https://doaj.org/article/9b0a96882fc549f6baa4706358b4bce6
Publikováno v:
Journal of Applied Science and Engineering, Vol 26, Iss 10, Pp 1387-1398 (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
Externí odkaz:
https://doaj.org/article/2629f5ed2fe8414c80d42b8739162aae
Publikováno v:
Actuators, Vol 13, Iss 5, p 187 (2024)
Incremental nonlinear dynamic inversion (INDI) is a widely used approach to controlling UAVs with highly nonlinear dynamics. One key element of INDI-based controllers is the control allocation realizing pseudo controls using available actuators. Howe
Externí odkaz:
https://doaj.org/article/064e4ba2624a4b4cb1c355662c7c8c63
Publikováno v:
Applied Sciences, Vol 14, Iss 10, p 4055 (2024)
A 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. By analyzing the u
Externí odkaz:
https://doaj.org/article/d150194c0d29473c940f3b132e630a03
Publikováno v:
Aerospace, Vol 11, Iss 5, p 342 (2024)
In the vertical take-off and landing (VTOL) state of tiltrotor aircraft, the inlet entrance encounters the incoming airflow at a 90° attack angle, resulting in highly complex internal flow characteristics that are extremely susceptible to gusts. Mea
Externí odkaz:
https://doaj.org/article/27464781aaa04d829918947195e9f436
Autor:
Pasquale Vitale, Gianluca Diodati, Salvatore Orlando, Francesco Timbrato, Mario Miano, Antonio Chiariello, Marika Belardo
Publikováno v:
Aerospace, Vol 11, Iss 4, p 323 (2024)
The evolution of aircraft wing development has seen significant progress since the early days of aviation, with static testing emerging as a crucial aspect for ensuring safety and reliability. This study focused specifically on the engineering phase
Externí odkaz:
https://doaj.org/article/2afa82d00379474787047e00e42f53df
Autor:
Gabriel Petre Badea, Tiberius Florian Frigioescu, Madalin Dombrovschi, Grigore Cican, Marius Dima, Victoras Anghel, Daniel Eugeniu Crunteanu
Publikováno v:
Inventions, Vol 9, Iss 2, p 39 (2024)
The research described in this paper focuses on the development of an innovative unmanned aerial vehicle (UAV) tailored for a specific mission: detecting the acoustic signature emitted by chainsaws, identifying deforestation, and reporting its locati
Externí odkaz:
https://doaj.org/article/dba70588fa814ee08d0625bb478c1911