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[2017-Vol.14-Issue 4]The Honeybee's Protrusible Glossa is a Compliant Mechanism
Post: 2017-11-09 15:22  View:2025

Journal of Bionic Engineering


Volume 14, Issue 4, October 2017, Pages 607-615

Yunqiang Yang1, Jianing Wu2, Rengao Zhu1,2, Chuchu Li1, Shaoze Yan2

1. School of Engineering and Technology, China University of Geosciences (Beijing), Beijing 100083, China
2. Division of Intelligent and Biomechanical Systems, State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China

Abstract  Many biological structures can perform highly-dexterous actions by using dynamic surfaces. To deal with the contradictive demands of high feeding efficiency and low energy expenditure during nectar feeding, the glossal surface of a honeybee un-dergoes shape changes, in which glossal hairs erect together with segment elongation in a drinking cycle. In this paper, we extracted a transmission link embedded in the glossa from postmortem examination and found that the compliance of the in-tersegmental membranes provides more possibilities for this highly kinematic synchronicity. According to the morphing phe-nomena of honeybee’s glossa, we proposed a compliant mechanism model to predict the deformation behavior of honeybee considering elastic properties of the glossal intersegmental membranes. The increase of membrane stiffness may improve the capacity of elastic potential energy transfer, but will still result in the increase of mass. An index is introduced to evaluate the contradiction for optimizing structural parameters. This work may arouse new prospects for conceptual design of mi-cro-mechanical systems equipped with bio-inspired compliant mechanisms.

Key words: honeybee      glossal membrane      compliant mechanism      stiffness      evaluation    

Full text is available at http://www.sciencedirect.com/science/article/pii/S1672652916604262

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