Design and analysis of three-dimensional bio-inspired flapping wing mechanism based on spatial RURS linkage

被引：0
|
作者：
Cong M. [1 ,2 ]
Li J. [1 ,2 ]
机构：
[1] Key Laboratory of Mechanism Theory and Equipment Design, Ministry of Education, Tianjin University, Tianjin
[2] School of Mechanical Engineering, Tianjin University, Tianjin
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2019年 / 34卷 / 03期
关键词：
Bio-inspired design; Flapping wing mechanism; Parameter optimization; Spatial four-bar linkage; Three-dimensional trajectory;
D O I：
10.13224/j.cnki.jasp.2019.03.022
中图分类号：
学科分类号：
摘要：
To mimic the spatial figure-of-eight trajectory of insect wing tips, a flapping wing mechanism based on spatial revolute-universal-revolute-spherical (RURS) four-bar linkage was designed to enable output of the three-dimensional spatial figure-of-eight trajectory with one input. Denavit-Hartenberg parameters method was used to establish the kinematic model of the spatial four-bar mechanism. Based on the genetic algorithm, the optimal parameters of linkages facilitating the flapping wing flight were acquired. A micro air vehicle virtual prototype was designed based on the optimal spatial four-bar linkage, meanwhile, the result of kinematic model was verified by ADAMS prototype simulation. The flapping amplitude of the flapping wing mechanism was 149.8°, and the twist angle was 29.9°, meanwhile the designed figure-of-eight flapping pattern was similar to insects in nature. The maximum size of the flapping wing mechanism was no more than 5.8cm, and the time asymmetric flapping pattern found from the simulation results can improve the aerodynamic performance to a certain extent, providing valuable insight weight to design light weight and efficient micro-air-vehicles. © 2019, Editorial Department of Journal of Aerospace Power. All right reserved.
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页码：692 / 700
页数：8
相关论文
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