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Design and Demonstration of Insect Mimicking Foldable Artificial wing Using Four-Bar Linkage Systems

Journal of Bionic Engineering 2014年第3期11卷 449-458页

作者： Quang-Tri Truong byoma wing argyoganendro Hoon Cheol Park Laboratory of Applied Mechanics Faculty of Applied Science HCMUT Ho Chi Minh City 740-128 Vietnam Biomimetics and Intelligent Microsystem Laboratory Konkuk University Seoul 143-701 Korea Department of Advanced Technology Fusion Konkuk University Seoul 143-701 Korea Artificial Muscle Research Center Konkuk University Seoul 143-701 Korea

In this work, we develop an artificial foldable wing that mimics the hind wing of a beetle （Allomyrina dichotoma）. In real flight, the beetle unfolds forewings and hind wings, and maintains the unfolded configuration unless it is exhausted. The artificial wing has to be able to maintain a fully unfolded configuration while flapping at a desirable flapping frequency. The artificial foldable hind wing developed in this work is based on two four-bar linkages which adapt the behaviors of the beetle＇s hind wing. The four-bar-linkages are designed to mimic rotational motion of the wing base and the vein folding/unfolding motion of the beetle＇s hind wing. The behavior of the artificial wings, which are installed in a flapping-wing system, is observed using a high-speed camera. The observation shows that the wing could maintain a fully unfolded configuration during flapping motion. A series of thrust measurements are also conducted to estimate the force generated by the flapping-wing system with foldable artificial wings. Although the artificial foldable wings give added burden to the flapping-wing system because of its weight, the thrust measurement results show that the flapping-wing system could still generate reasonable thrust.

关键词： beetle's hind wing folding/unfolding motion flapping-wing system foldable wing four-bar linkage configuration thrust measurement

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