Results 261 to 270 of about 522,105 (314)
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Development of Vision Stabilizing System for a Large-Scale Flapping-Wing Robotic Bird
IEEE Sensors Journal, 2020Bio-inspired flapping-wing flying robots have huge application potential in military reconnaissance, environment exploring, disaster rescue and so on. Vision sensors are usually mounted to provide image information of targets.
Erzhen Pan, Xu Liang, Wenfu Xu
semanticscholar +1 more source
Optical flow on a flapping wing robot
2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2009Optical flow sensing techniques are promising for obstacle avoidance, distance regulation, and moving target tracking, particularly for small mobile robots with limited power and payload constraints. Most optical flow sensing experimental work has been done on mobile platforms which are relatively steady in rotation, unlike the pitching motion expected
Fernando Garcia Bermudez +1 more
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Progress in Aerospace Sciences, 2019
Flying insects are able to hover and perform agile maneuvers by relying on their flapping wings to produce control forces, as well as flight forces, due to the absence of tail control surfaces.
H. Phan, H. Park
semanticscholar +1 more source
Flying insects are able to hover and perform agile maneuvers by relying on their flapping wings to produce control forces, as well as flight forces, due to the absence of tail control surfaces.
H. Phan, H. Park
semanticscholar +1 more source
Sunlight-Driven Continuous Flapping-Wing Motion.
ACS Applied Materials and Interfaces, 2020Light-driven actuators that directly convert light into mechanical work, have attracted significant attention due to their wireless advantage and ability to be easily controlled.
Xu Dong +8 more
semanticscholar +1 more source
Bioinspiration & Biomimetics, 2020
Allomyrina dichotoma has a natural ultra-high flying ability and maneuverability. Especially its ability to fly flexibly in the air, makes it more adaptable to the harsh ecological environment.
Huichao Deng +5 more
semanticscholar +1 more source
Allomyrina dichotoma has a natural ultra-high flying ability and maneuverability. Especially its ability to fly flexibly in the air, makes it more adaptable to the harsh ecological environment.
Huichao Deng +5 more
semanticscholar +1 more source
Aircraft Engineering and Aerospace Technology, 1936
THE design of aerofoils, after years of research, has about reached its maximum development. The comprehensive research of the National Advisory Committee for Aeronautics has resulted in several new highly efficient aerofoils. The systematic nature of this research indicates that the possibility of further marked improvement is remote, and would be of ...
openaire +1 more source
THE design of aerofoils, after years of research, has about reached its maximum development. The comprehensive research of the National Advisory Committee for Aeronautics has resulted in several new highly efficient aerofoils. The systematic nature of this research indicates that the possibility of further marked improvement is remote, and would be of ...
openaire +1 more source
The gust-mitigating potential of flapping wings
Bioinspiration & Biomimetics, 2016Nature's flapping-wing flyers are adept at negotiating highly turbulent flows across a wide range of scales. This is in part due to their ability to quickly detect and counterract disturbances to their flight path, but may also be assisted by an inherent aerodynamic property of flapping wings.
Alex, Fisher +6 more
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Iterative Learning Control for a Flapping Wing Micro Aerial Vehicle Under Distributed Disturbances
IEEE Transactions on Cybernetics, 2019This paper addresses a flexible micro aerial vehicle (MAV) under spatiotemporally varying disturbances, which is composed of a rigid body and two flexible wings.
Wei He +3 more
semanticscholar +1 more source
Section Design for Hydrofoil Wings with Flaps
Journal of Hydronautics, 1978The basic problem of a flapped NACA-16 foil is its poor pressure distribution around the flapped region. With the flap deflected, the velocity distribution becomes a very unfavorable shape in terms of cavitationinception and boundary-layer separation. This type of flow field results in low flap effectiveness.
Y. SHEN, R. EPPLER
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Aerodynamic sound generation of flapping wing
The Journal of the Acoustical Society of America, 2008The unsteady flow and acoustic characteristics of the flapping wing are numerically investigated for a two-dimensional model of Bombus terrestris bumblebee at hovering and forward flight conditions. The Reynolds number Re, based on the maximum translational velocity of the wing and the chord length, is 8800 and the Mach number M is 0.0485.
Youngmin, Bae, Young J, Moon
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