Results 61 to 70 of about 285,442 (311)
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
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Augmented Adaptive Control of a Wind Turbine in the Presence of Structural Modes [PDF]
, 2010 Wind turbines operate in highly turbulent environments resulting in aerodynamic loads that can easily excite turbine structural modes, potentially causing component fatigue and failure.
Balas, Mark J. +2 more
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Advanced Materials, EarlyView.A cryoprotectant‐compatible nanoporous platform enables ambient‐stable and scalable delivery of gene editing therapeutics. By combining hierarchical pore architecture with optimized lyophilization chemistry, the system preserves Cas9‐RNP activity post‐freeze‐drying.
Sian Lee +8 more
wiley +1 more source
Load Reduction Control Technology of Large-scale Wind Turbine Based on Individual Pitch Control
Kongzhi Yu Xinxi Jishu, 2013 In order to reduce the imbalance load of large wind turbine during operation due to factors such as wind shear, tower shadow, turbulence and yaw error, a load reduction control technology based on individual pitch control is proposed.
LIU Hongwen +5 more
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Journal of Marine Science and Engineering, 2018 This paper presents the design of a linear quadratic (LQ) optimal controller for a spar-type floating offshore wind turbine (FOWT). The FOWT is exposed to different sea states and constant wind turbulence intensity above rated wind speed.
Roberto Luiz Ramos
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Analysis of a Multi-Flap Control System for a Swashplateless Rotor [PDF]
, 2011 An analytical study was conducted examining the feasibility of a swashplateless rotor controlled through two trailing edge flaps (TEF), where the cyclic and collective controls were provided by separate TEFs.
Sekula, Martin K., Wilbur, Matthew L.
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Advanced Materials, EarlyView.Harnessing the synergistic interplay of supramolecular self‐assembly, under macromolecular crowding conditions, and enzymatic‐mediated covalent crosslinking toward a stable protein‐based G‐quadruplex‐derived supramolecular bioink. This bioinspired strategy enables the biofabrication of complex and tunable ECM‐mimetic constructs, providing a platform ...
Vera Sousa +6 more
wiley +1 more source
A Methodology for Robust Load Reduction in Wind Turbine Blades Using Flow Control Devices
Energies, 2021 Decades of wind turbine research, development and installation have demonstrated reductions in levelized cost of energy (LCOE) resulting from turbines with larger rotor diameters and increased hub heights. Further reductions in LCOE by up-scaling turbine
Abhineet Gupta +4 more
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Control law system for X-Wing aircraft [PDF]
, 1990 Control law system for the collective axis, as well as pitch and roll axes, of an X-Wing aircraft and for the pneumatic valving controlling circulation control blowing for the rotor.
Gold, Phillip J., Lawrence, Thomas H.
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A comparison of coaxial and conventional rotor performance [PDF]
, 2009 The performance of a coaxial rotor in hover, in steady forward flight, and in level, coordinated turns is contrasted with that of an equivalent, conventional rotor with the same overall solidity, number of blades, and blade aerodynamic properties.
Brown, Brown, Kim, Landgrebe, Newman
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