Design and evaluation of a deformable wing configuration for economical hovering flight of an insect-like tailless flying robot

Bioinspiration & Biomimetics
Hoang Vu Phan, Hoon Cheol Park

Abstract

Studies on wing kinematics indicate that flapping insect wings operate at higher angles of attack (AoAs) than conventional rotary wings. Thus, effectively flying an insect-like flapping-wing micro air vehicle (FW-MAV) requires appropriate wing design for achieving low power consumption and high force generation. Even though theoretical studies can be performed to identify appropriate geometric AoAs for a wing for achieving efficient hovering flight, designing an actual wing by implementing these angles into a real flying robot is challenging. In this work, we investigated the wing morphology of an insect-like tailless FW-MAV, which was named KUBeetle, for obtaining high vertical force/power ratio or power loading. Several deformable wing configurations with various vein structures were designed, and their characteristics of vertical force generation and power requirement were theoretically and experimentally investigated. The results of the theoretical study based on the unsteady blade element theory (UBET) were validated with reference data to prove the accuracy of power estimation. A good agreement between estimated and measured results indicated that the proposed UBET model can be used to effectively estimate the power requi...Continue Reading

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Citations

Oct 4, 2020·Current Opinion in Insect Science·Hoang Vu Phan, Hoon Cheol Park
Apr 26, 2021·Computers in Biology and Medicine·Zelai SongJiyu Sun

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