Results 101 to 110 of about 3,999 (214)
Satellite-aided mobile communications limited operational test in the trucking industry [PDF]
An experiment with NASA's ATS-6 satellite, that demonstrates the practicality of satellite-aided land mobile communications is described. Satellite communications equipment for the experiment was designed so that it would be no more expensive, when mass ...
Anderson, R. E. +2 more
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In Situ Dynamic Measurement of Blade Collision Warning Parameters for Coaxial Twin-Rotor Helicopters
SensorsIn coaxial twin-rotor helicopters, the minimum blade tip distance may approach danger thresholds during rotor intersection under high-speed rotation and complex aerodynamic conditions, posing collision risks.
Wenjie Zheng, Zurong Qiu
doaj +1 more source
Dynamic Electromagnetic Scattering Simulation of Tilt-Rotor Aircraft in Multiple Modes. [PDF]
Sensors (Basel), 2023 Fei Z, Yang Y, Jiang X, Zhao Q, Chen X.
europepmc +1 more source
Experimental Investigation on Hover Performance of a Ducted Coaxial-Rotor UAV. [PDF]
Sensors (Basel), 2023 Li H, Chen Z, Jia H.
europepmc +1 more source
Jixie chuandongObjectiveAiming 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 +3 more
doaj
Ground resonance analysis using a substructure modeling approach [PDF]
, 1985 A convenient and versatile procedure for modeling and analyzing ground resonance phenomena is described and illustrated. A computer program is used which dynamically couples differential equations with nonlinear and time dependent coefficients.
Austin, E. E., Berman, A., Chen, S. Y.
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FlySub Multiengine coaxial helicopter technical specification
FlySub Multiengine coaxial helicopter technical specification (in Hungarian) The helicopter is a twin-engine, two-person, twin-piloted helicopter with side-by-side seats coaxial rotor arrangement. Its basic purpose is to be capable of operating with a high degree of safety two persons and a payload of at least 250 kg or 350 kg with one pilot and 550 ...
Fodor, Dénes, FlySub Ltd.
openaire +2 more sources
X-Band Radar Cross-Section of Tandem Helicopter Based on Dynamic Analysis Approach. [PDF]
Sensors (Basel), 2021 Zhou Z, Huang J.
europepmc +1 more source
Review of the transmissions of the Soviet helicopters [PDF]
A review of the following aspects of Soviet helicopter transmissions is presented: transmitted power, weight, reduction ratio, RPM, design configuration, comparison of different type of manufacturing methods, and a description of the materials and ...
Chaiko, Lev I.
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Teleoperation of passivity-based model reference robust control over the internet [PDF]
, 2011 This dissertation offers a survey of a known theoretical approach and novel experimental results in establishing a live communication medium through the internet to host a virtual communication environment for use in Passivity-Based Model Reference ...
Naghshineh, Sam
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