Design of a Bio-inspired, Two-winged, Flapping-wing Micro Air Vehicle with High-lift Performance

Hu, Kai; Deng, Huichao; Xiao, Shengjie; Yang, Gongyu; Sun, Yuhong

doi:10.1007/s42235-024-00486-7

J Bionic Eng

2024

DOI: 10.1007/s42235-024-00486-7

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Design of a Bio-inspired, Two-winged, Flapping-wing Micro Air Vehicle with High-lift Performance

Kai Hu,

Huichao Deng,

Shengjie Xiao

et al.

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Cited by 2 publications

References 43 publications

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Spring and Power in Hovering Ornithopters

Lau,

Chin,

Lin

et al. 2024

Advanced Intelligent Systems

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Ornithopters are bird‐like flapping‐wing robots. Only small ornithopters can hover, with long endurance at hummingbird size. Could larger ornithopters be improved further to hover longer? This paper reviews and examines the drive and power of hovering ornithopters, and elastic means of energy or thrust boosters. While the rotation of flexible wings enhance the thrust generation, two‐winged ornithopters did not scale up well because of higher disk loading. In comparison, the X‐winged or multiple‐V‐winged ornithopters enjoy a lower disk loading by beating multiple wings slower, at a smaller stroke angle or a longer span. Further, the clap‐and‐fling interaction of V and X‐wings boosts the thrust generation. Future works can explore the wing flexibility and morphology change to improve the hoverability and flight agility of ornithopters.

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Spring and Power in Hovering Ornithopters

Lau,

Chin,

Lin

et al. 2024

Advanced Intelligent Systems

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Studies on V-Formation and Echelon Flight Utilizing Flapping-Wing Drones

Martinez-Ponce,

Herkenhoff,

Aboelezz

et al. 2024

Drones

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V-Formation and echelon formation flights can be seen used by migratory birds throughout the year and have left many scientists wondering why they choose very specific formations. Experiments and analytical studies have been completed on the topic of the formation flight of birds and have shown that migratory birds benefit aerodynamically by using these formations. However, many of these studies were completed using fixed-wing models, while migratory birds both flap and glide while in formation. This paper reports the design of and experiments with a flapping-wing model rather than only a fixed-wing model. In order to complete this study, two different approaches were used to generate a flapping-wing model. The first was a computational study using an unsteady vortex–lattice (UVLM) solver to simulate flapping bodies. The second was an experimental design using both custom-built flapping mechanisms and commercially bought flapping drones. The computations and various experimental trials confirmed that there is an aerodynamic benefit from flying in either V-formation or echelon flight while flapping. It is shown that each row of birds experiences an increase in aerodynamic performance based on positioning within the formation.

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Design of a Bio-inspired, Two-winged, Flapping-wing Micro Air Vehicle with High-lift Performance

Cited by 2 publications

References 43 publications

Spring and Power in Hovering Ornithopters

Spring and Power in Hovering Ornithopters

Studies on V-Formation and Echelon Flight Utilizing Flapping-Wing Drones

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