Pitching Moment Generation in an Insect-Mimicking Flapping-Wing System

作     者：Tri Quang Truong Vu Hoang Phan Sanjay P. Sane Hoon Cheol Park 

作者机构：Biomimetics and Intelligent Microsystem Laboratory & Artificial Muscle Research Center Konkuk University Seoul 143-70 l Korea Department of Advanced Technology Fusion Konkuk University Seoul 143-701 Korea National Centre for Biological Sciences Tata Institute of Fundamental Research Bangalore India 

出 版 物：《Journal of Bionic Engineering》 (仿生工程学报（英文版）)

年 卷 期：2014年第11卷第1期

页      面：36-51页

核心收录：

学科分类：0710[理学-生物学] 0831[工学-生物医学工程（可授工学、理学、医学学位）] 0711[理学-系统科学] 0809[工学-电子科学与技术（可授工学、理学学位）] 07[理学] 08[工学] 0836[工学-生物工程] 0702[理学-物理学] 

基　　金：Konkuk University, KU Ministry of Science, ICT and Future Planning, MSIP, (2013R1A2A2A01067315) National Research Foundation of Korea, NRF 

主　　题：flapping-wing system pitching moment flapping angle unsteady blade element theory mean aerodynamic center,center of gravity 

摘      要：Unlike birds, insects lack control surfaces at the tail and hence most insects modify their wing kinematics to produce control forces or moments while flapping their wings. Change of the flapping angle range is one of the ways to modify wing kinematics, resulting in relocation of the mean Aerodynamic force Center （mean AC） and finally creating control moments. In an attempt to mimic this feature, we developed a flapping-wing system that generates a desired pitching moment during flap- ping-wing motion. The system comprises a flapping mechanism that creates a large and symmetric flapping motion in a pair of wings, a flapping angle change mechanism that modifies the flapping angle range, artificial wings, and a power source. From the measured wing kinematics, we have found that the flapping-wing system can properly modify the flapping angle ranges. The measured pitching moments show that the flapping-wing system generates a pitching moment in a desired direction by shifting the flapping angle range. We also demonstrated that the system can in practice change the longitudinal attitude by generating a nonzero pitching moment.