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Design of bionic flapping-wing Vehicle for wing folding based on lever mechanism
Engineering Research ExpressFlapping-wing vehicles have attracted extensive attention due to their high maneuverability and high efficiency under low Reynolds number flow conditions. Among them, the foldable flapping-wing vehicle effectively improves flight performance by imitating
Y. Zhu +5 more
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The Canadian Entomologist, 1964
The wing folding mechanism was investigated after a detailed study of the wing base morphology had been made (Sharplin, Canad. Ent. 95: 1024; 1121). Living moths were observed with a binocular microscope equipped with a micrometer eyepiece.The first and second axillary sclerites do not move anteroposteriorly; only the distal half of the wing base is ...
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The wing folding mechanism was investigated after a detailed study of the wing base morphology had been made (Sharplin, Canad. Ent. 95: 1024; 1121). Living moths were observed with a binocular microscope equipped with a micrometer eyepiece.The first and second axillary sclerites do not move anteroposteriorly; only the distal half of the wing base is ...
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Folding in and out: passive morphing in flapping wings
Bioinspiration & Biomimetics, 2015We present a new mechanism for passive wing morphing of flapping wings inspired by bat and bird wing morphology. The mechanism consists of an unactuated hand wing connected to the arm wing with a wrist joint. Flapping motion generates centrifugal accelerations in the hand wing, forcing it to unfold passively.
Amanda K, Stowers, David, Lentink
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A wing-flapping robot with a bio-inspired folding mechanism derived from the beetle’s hind wing
Bioinspiration & BiomimeticsWhen the beetle lands on the target, the hind wings fold regularly to form smaller wing packages and are hidden on the ventral side of the elytra due to the interaction between the elytra and abdomen.
Xin Li, Yu Zheng, Huan Shen
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Vibration and Flutter Characteristics of a Folding Wing
46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, 2005Studies are presented that characterize the dynamic aeroelastic aspects of a morphing aircraft design concept. The notion of interest is a folding wing design resulting in large-scale wing area changes. A finite element approach is used to investigate the sensitivity of natural frequencies and flutter instabilities to the wing position (e.g., fold ...
Matthew P. Snyder +3 more
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The Canadian Entomologist, 1894
Aside from the wasps distinguished by their folded wings (Diploptera) and the Chalcidian genus Leucospis, there is no record, unless of distant date, of any Hymenopterous insect having the wings folded. In Coptera the “longitudinal fold” described by Say is in reality a pleat of ridge; the wings, as I have repeatedly observed in the living insect ...
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Aside from the wasps distinguished by their folded wings (Diploptera) and the Chalcidian genus Leucospis, there is no record, unless of distant date, of any Hymenopterous insect having the wings folded. In Coptera the “longitudinal fold” described by Say is in reality a pleat of ridge; the wings, as I have repeatedly observed in the living insect ...
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Design, Fabrication, and Analysis of Flapping and Folding Wing Mechanism for a Robotic Bird
Journal of Bionic Engineering, 2020Seungwan Ryu +2 more
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Eureka!, 2018
While the concept of a laminar flow wing is well-known, the need to mechanise flaps and control surfaces makes this an impossible reality. Unless, of course, you use a Shape Memory Alloy.
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While the concept of a laminar flow wing is well-known, the need to mechanise flaps and control surfaces makes this an impossible reality. Unless, of course, you use a Shape Memory Alloy.
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Characteristics of Slender Wing‐Body Combinations with Folding Wings
Aircraft Engineering and Aerospace Technology, 1959A method has been developed for computing aerodynamic loads on slender missiles with complicated cross‐sections. This method has been applied to the prediction of loads for missiles with folding wings. Comparison of theoretical calculations with supersonic wind‐tunnel measurements indicates that the method should provide satisfactory first estimates of
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Aeroelastic Studies on a Folding Wing Configuration
46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, 2005Morphing aircraft can change shape and size substantially in-flight to enable a single vehicle to perform multiple mission roles. The majority of shape change occurs in the wing, resulting in a wide variety of changes in aerodynamic and structural features. In addition, as the wing moves during flight, the stiffness is reduced. One strong candidate for
Dong Hwan Lee, Terrence Weisshaar
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