Results 51 to 60 of about 7,829,300 (104)

Development and characteristics analysis of helicopter main reducer installation and support technology

Jixie chuandong
ObjectiveAiming at the struts, the key components for the installation and support of helicopter main reducers, the research progress of conventional struts and intelligent struts is analyzed in combination with the development trend of strut structures.
LI Miaomiao, ZHOU Zhenglong, YUAN Xiaojie, ZHU Rupeng   +3 more
doaj  

A Vectoring Thrust Coaxial Rotor for Micro Air Vehicle: Modeling, Design and Analysis [PDF]

, 2013
The growing interest of rotary wing UAVs, for military and civilian applications, has encouraged designers to consider miniaturized configurations, more efficient in terms of endurance, payload capability and maneuverability. The purpose of this paper is
Moschetta, Jean-Marc, Prothin, Sebastien
core  

Aeroacoustic analysis of main rotor and tail rotor interaction [PDF]

, 2008
The increased restrictions placed on helicopter noise levels over recent decades have encouraged manufacturers to better understand tail rotor noise and its aerodynamic sources.
Fletcher, Timothy M., Brown, R.E., Fletcher, T.M., Duraisamy, K., Duraisamy, Karthikeyan, Brown, Richard   +5 more
core   +1 more source

Uncertainty Analysis of a Multi-Sensor Fusion Measurement Chain for Blade Collision Warning in Coaxial Twin-Rotor Helicopters. [PDF]

Sensors (Basel)
Zheng W, Qiu Z, Dong Z, Hu W, Qiu Y, Qiu Z.   +5 more
europepmc   +1 more source

Hybrid control structure employing fuzzy-sliding mode systems for the guidance of coaxial octorotor UAV. [PDF]

Sci Rep
Toudji K, Cherroun L, Nadour M, Alsabah YA, Rabehi A.   +4 more
europepmc   +1 more source

In Situ Dynamic Measurement of Blade Collision Warning Parameters for Coaxial Twin-Rotor Helicopters. [PDF]

Sensors (Basel)
Zheng W, Qiu Z.
europepmc   +1 more source

Proactive Early Warning of Vortex Ring State in Coaxial UAVs: A Physics-Informed Multimodal ViT-LSTM Approach. [PDF]

Sensors (Basel)
Zhou X, Sun J, Zhao J, Shuang F.
europepmc   +1 more source

Performance driven multi objective optimization of 2 MW integrated Pseudo Direct Drive permanent magnet synchronous wind generator. [PDF]

Sci Rep
Abdeljalil D, Krichen M, Benhalima N, Benhadj N, Neji R.   +4 more
europepmc   +1 more source

Research on power flow of encased differential gear train in coaxial contra-rotating gearbox. [PDF]

Sci Rep
Zhang D, Zhu R, Zhang W, Cui J, Ma L.
europepmc   +1 more source

An Unscented Kalman Filter Based on the Adams-Bashforth Method with Applications to the State Estimation of Osprey-Type Drones Composed of Tiltable Rotor Mechanisms. [PDF]

Sensors (Basel)
Watanabe K, Takeda S, Nagai I.
europepmc   +1 more source