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Siping Zhong and Wenfu Xu
Authors are encouraged to provide a concise description of the specific application or a potential application of the work. This section is not mandatory.
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Ziyu Wang, Zi Kan, Huadong Li, Daochun Li, Shiwei Zhao and Zhan Tu
By combining the flapping and rotary motion, a flapping wing rotor (FWR) shows unique kinematics of motion. It can produce a significantly higher aerodynamic efficiency and lift coefficient than insect-like flapping wings. However, due to the lack of con...
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Tong Shen, Zhan Tu, Daochun Li, Zi Kan and Jinwu Xiang
This study focuses on the aerodynamics of the smallest flying insects? bristled wings. We measured and analyzed wing morphological data from 38 specimens of Mymaridae. Bristled wing flight was numerically simulated at Reynolds numbers from 1 to 80. The a...
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Sang-Gil Lee, Hyeon-Ho Yang, Reynolds Addo-Akoto and Jae-Hung Han
Flapping-wing micro air vehicles (FWMAVs) have the capability of performing various flight modes like birds and insects. Therefore, it is necessary to understand the various flight modes of FWMAVs in order to fully utilize the capability of the vehicle. ...
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Muhammad Yousaf Bhatti, Sang-Gil Lee and Jae-Hung Han
This paper proposes an approach to analyze the dynamic stability and develop trajectory-tracking controllers for flapping-wing micro air vehicle (FWMAV). A multibody dynamics simulation framework coupled with a modified quasi-steady aerodynamic model was...
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Alejandro Del Estal Herrero, Mustafa Percin, Matej Karasek and Bas Van Oudheusden
Flow visualizations have been performed on a free flying, flapping-wing micro air vehicle (MAV), using a large-scale particle image velocimetry (PIV) approach. The PIV method involves the use of helium-filled soap bubbles (HFSB) as tracer particles. HFSB...
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Frank E. Fish, Christian M. Schreiber, Keith W. Moored, Geng Liu, Haibo Dong and Hilary Bart-Smith
The manta is the largest marine organism to swim by dorsoventral oscillation (flapping) of the pectoral fins. The manta has been considered to swim with a high efficiency stroke, but this assertion has not been previously examined. The oscillatory swimmi...
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Frank E. Fish, Christian M. Schreiber, Keith W. Moored, Geng Liu, Haibo Dong and Hilary Bart-Smith
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Jae-Hung Han, Yu-Jeong Han, Hyeon-Ho Yang, Sang-Gil Lee and Eun-Hyuck Lee
This study focuses on the flapping mechanisms found in recently developed biometric flapping-wing air vehicles (FWAVs). FWAVs mimic the flight characteristics of flying animals, providing advantages such as maneuverability, inconspicuousness, and excelle...
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Hidetoshi Takahashi, Kosuke Abe, Tomoyuki Takahata and Isao Shimoyama
Beetles have attracted attention from researchers due to their unique combination of a passively flapping forewing and an actively flapping hindwing during flight. Because the wing loads of beetles are larger than the wing loads of other insects, the mec...
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Hidetoshi Takahashi, Kosuke Abe, Tomoyuki Takahata and Isao Shimoyama
Beetles have attracted attention from researchers due to their unique combination of a passively flapping forewing and an actively flapping hindwing during flight. Because the wing loads of beetles are larger than the wing loads of other insects, the mec...
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Shengjie Xiao, Yuhong Sun, Dapeng Ren, Kai Hu, Huichao Deng, Yun Wang and Xilun Ding
A key challenge in flapping-wing micro air vehicle (FWMAV) design is to generate high aerodynamic force/torque for improving the vehicle?s maneuverability. This paper presents a bio-inspired hover-capable flapping-wing micro air vehicle, named RoboFly.S,...
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Xinyu Lang, Bifeng Song, Wenqing Yang, Xiaojun Yang and Dong Xue
The wing planform and flapping kinematics are critical for the hovering flight of flapping wing micro air vehicles (FWMAVs). The degree of influence of wing geometry and kinematic parameters on aerodynamic performance still lacks in-depth analysis. In th...
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Xueguang Meng, Yinghui Han, Zengshuang Chen, Anas Ghaffar and Gang Chen
The combined ceiling and ground effect on the aerodynamics of a hovering flapping wing is investigated using numerical simulations. In the simulations, the wing was located between the ceiling and the ground. Simulations were carried out for different wa...
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Thomas Lambert, Norizham Abdul Razak and Grigorios Dimitriadis
Flapping flight is an increasingly popular area of research, with applications to micro-unmanned air vehicles and animal flight biomechanics. Fast, but accurate methods for predicting the aerodynamic loads acting on flapping wings are of interest for des...
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Thomas Lambert, Norizham Abdul Razak and Grigorios Dimitriadis
Flapping flight is an increasingly popular area of research, with applications to micro-unmanned air vehicles and animal flight biomechanics. Fast, but accurate methods for predicting the aerodynamic loads acting on flapping wings are of interest for des...
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Gottfried Sachs
The power required by flapping and fixed wing vehicles in level flight is determined and compared. Based on a new modelling approach, the effects of flapping on the induced drag in flapping wing vehicles are mathematically described. It is shown that fla...
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Ernesto Sanchez-Laulhe, Ramon Fernandez-Feria and Anibal Ollero
A new forward-flight model for bird-like ornithopters is presented. The flight dynamics model uses results from potential, unsteady aerodynamics to characterize the forces generated by the flapping wings, including the effects of the dynamic variables on...
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Huadong Li, Daochun Li, Tong Shen, Dawei Bie and Zi Kan
X-shaped flapping wings have excellent maneuverability and flight capabilities under low-Reynolds-number conditions. An appropriate tail can extend the range of a vehicle and improve its stability. This study takes two typical configurations, the inverte...
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Hidetoshi Takahashi, Alice Concordel, Jamie Paik and Isao Shimoyama
Dragonflies achieve agile maneuverability by flapping four wings independently. Different phase angles between the flapping forewing and hindwing have been observed during various flight modes. The aerodynamic performance depends on phase angle control, ...
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