Results 131 to 140 of about 19,013 (214)
An initiative in multidisciplinary optimization of rotorcraft [PDF]
Described is a joint NASA/Army initiative at the Langley Research Center to develop optimization procedures aimed at improving the rotor blade design process by integrating appropriate disciplines and accounting for important interactions among the ...
Adelman, Howard M., Mantay, Wayne R.
core +1 more source
Accurate recognition of UAVs on multi-scenario perception with YOLOv9-CAG. [PDF]
Sci RepZhu J, Rong J, Kou W, Zhou Q, Suo P.
europepmc +1 more source
Frequency-response techniques for documentation and improvement of rotorcraft simulators [PDF]
Pilot-in-the-loop characterizations are most naturally formulated in terms of end-to-end frequency responses, so a frequency-response-based method is the natural approach to assessing simulator dynamic fidelity.
Tischler, Mark B.
core +1 more source
PteroBot: A Forest Exploration Robot Bioinspired by Pteromyini Gliding Mechanism. [PDF]
Biomimetics (Basel)Fan M +5 more
europepmc +1 more source
Ecological design of augmentation improves helicopter ship landing maneuvers: An approach in augmented virtuality. [PDF]
PLoS One, 2021 Morice AHP +3 more
europepmc +1 more source
, 2007 The roots of German rotorcraft research and its development are shown. After consolidation of research establishments international cooperations started with a common rotorcraft research management with ONERA as the current state. DLR's participating institutes and recent highlights are presenteed.
openaire +1 more source
Outdoor test stand performance of a convertible engine with variable inlet guide vanes for advanced rotorcraft propulsion [PDF]
A variable inlet guide van (VIGV) type convertible engine that could be used to power future high-speed rotorcraft was tested on an outdoor stand. The engine ran stably and smoothly in the turbofan, turboshaft, and dual (combined fan and shaft) power ...
Mcardle, Jack G.
core +1 more source
Numerical simulation of the transition flight aerodynamics of cross-shaped quad-tiltrotor UAV. [PDF]
Sci RepDu S, Zha Y.
europepmc +1 more source