A Bio-Inspired Adaptive Perching Mechanism for Unmanned Aerial Vehicles
Wanchao Chi*, Kin Huat Low*, Kay Hiang Hoon*,
Johnson Tang**, and Tiauw Hiong Go*
*School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
**Defence Science Organization, Singapore
Endurance is the critical problem that most Unmanned Aerial Vehicles (UAVs) will definitely encounter. By learning frombirds in nature that perch to reserve energy, however, this problem could probably be solved. The purposes of this paper are to gain inspiration from bird’s perching in a more systematic way, to further propose a design of bio-inspired adaptive perching mechanism, and to investigate its functionality and reliability in applications. Principles are first derived from anatomy analysis of perching birds as a guide. The perching sequence of a UAV is then generalized into 3 stages, namely pre-perching, perching and de-perching. Design specifications are presented, reliability experiments are performed and results are analyzed.
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