Abstract
In this work, we first present a method to experimentally capture the free flight of a beetle (Allomyrina dichotoma), which is not an active flyer. The beetle is suspended in the air by a hanger to induce the free flight. This flight is filmed using two high-speed cameras. The high speed images are then examined to obtain flapping angle, flapping frequency, and wing rotation of the hind wing. The acquired data of beetle free flight are used to design a motor-driven flapper that can approximately mimic the beetle in terms of size, flapping frequency and wing kinematics. The flapper can create a large flapping angle over 140° with a large passive wing rotation angle. Even though the flapping frequency of the flapper is not high enough compared to that of a real beetle due to the limited motor torque, the flapper could produce positive average vertical force. This work will provide important experience for future development of a beetle-mimicking Flapping-Wing Micro Air Vehicle (FWMAV).
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Nguyen, Q.V., Park, H.C., Goo, N.S. et al. Characteristics of a beetle’s free flight and a flapping-wing system that mimics beetle flight. J Bionic Eng 7, 77–86 (2010). https://doi.org/10.1016/S1672-6529(09)60195-5
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DOI: https://doi.org/10.1016/S1672-6529(09)60195-5