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Efficiency of lift production in flapping and gliding flight of swifts. [PDF]

open access: yesPLoS ONE, 2014
Many flying animals use both flapping and gliding flight as part of their routine behaviour. These two kinematic patterns impose conflicting requirements on wing design for aerodynamic efficiency and, in the absence of extreme morphing, wings cannot be ...
Per Henningsson   +2 more
doaj   +10 more sources

Can Scalable Design of Wings for Flapping Wing Micro Air Vehicle Be Inspired by Natural Flyers? [PDF]

open access: yesInternational Journal of Aerospace Engineering, 2018
Lift production is constantly a great challenge for flapping wing micro air vehicles (MAVs). Designing a workable wing, therefore, plays an essential role. Dimensional analysis is an effective and valuable tool in studying the biomechanics of flyers.
Yanghai Nan   +4 more
doaj   +2 more sources

Effects of Wing Kinematics on Aerodynamics Performance for a Pigeon-Inspired Flapping Wing [PDF]

open access: yesBiomimetics
The wing kinematics of birds plays a significant role in their excellent unsteady aerodynamic performance. However, most studies investigate the influence of different kinematic parameters of flapping wings on their aerodynamic performance based on ...
Tao Wu, Kai Wang, Qiang Jia, Jie Ding
doaj   +2 more sources

First lift-off and flight performance of a tailless flapping-wing aerial robot in high-altitude environments [PDF]

open access: yesScientific Reports, 2023
Flapping flight of animals has captured the interest of researchers due to their impressive flight capabilities across diverse environments including mountains, oceans, forests, and urban areas.
Shu Tsuchiya   +8 more
doaj   +2 more sources

Development of flapping wing robot and vision-based obstacle avoidance strategy [PDF]

open access: yesPeerJ Computer Science, 2023
Due to the flight characteristics such as small size, low noise, and high efficiency, studies on flapping wing robots are being actively conducted. In particular, the flapping wing robot is in the spotlight in the field of search and reconnaissance. Most
Heetae Park   +4 more
doaj   +3 more sources

Avian-inspired embodied perception in biohybrid flapping-wing robotics [PDF]

open access: yesNature Communications
Avian feather intricate adaptable architecture to wing deformations has catalyzed interest in feathered flapping-wing aircraft with high maneuverability, agility, and stealth.
Qian Li   +3 more
doaj   +2 more sources

Design and Flight Experiment of a Motor-Directly-Driven Flapping-Wing Micro Air Vehicle with Extension Springs [PDF]

open access: yesBiomimetics
This study presents the design, control, and flight experiments of a motor-directly-driven flapping-wing micro air vehicle with extension springs (MDD-FWMAVES).
Seungik Choi   +3 more
doaj   +2 more sources

Experimental Investigation of Aerodynamics of Feather-Covered Flapping Wing [PDF]

open access: yesApplied Bionics and Biomechanics, 2017
Avian flight has an outstanding performance than the manmade flapping wing MAVs. Considering that the feather is light and strong, a new type of the flapping wing was designed and made, whose skeleton is carbon fiber rods and covered by goose feathers as
Wenqing Yang, Bifeng Song
doaj   +2 more sources

Research progress on the energy consumption of bionic flapping-wing aerial vehicles

open access: yes工程科学学报, 2022
Natural flyers use muscles, bones, and other structures in coordination to attain agile and nimble flight performance. They can fly in various complex environments through different flight modes, such as flapping, hovering, and gliding.
Min ZHAO   +4 more
doaj   +1 more source

Unsteady Aerodynamic Design of a Flapping Wing Combined with a Bionic Wavy Leading Edge

open access: yesApplied Sciences, 2023
Based on the bionic design of the humpback whale fin, a passive flow control method is proposed to obtain greater flapping lift by applying the wavy leading edge structure to the straight symmetrical flapping wing.
Xuan Bai, Hao Zhan, Baigang Mi
doaj   +1 more source

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