Non-linear Dynamic Analysis of a Piezoelectrically Actuated Flapping Wing

被引：18
作者：
Mukherjee, Sujoy [1 ]
Ganguli, Ranjan [1 ]
机构：
[1] Indian Inst Sci, Dept Aerosp Engn, Bangalore 560012, Karnataka, India
来源：
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES | 2010年 / 21卷 / 12期
关键词：
piezofan; non-linear vibrations; aerodynamics; flapping; MAV; MICRO-AIR VEHICLES; CANTILEVER BEAM; INSECT WINGS; FLIGHT; MODEL; MECHANISM; ROTATION; BIMORPH; FORCES; HOVER;
D O I：
10.1177/1045389X10378776
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An energy method is used in order to derive the non-linear equations of motion of a smart flapping wing. Flapping wing is actuated from the root by a PZT unimorph in the piezofan configuration. Dynamic characteristics of the wing, having the same size as dragonfly Aeshna Multicolor, are analyzed using numerical simulations. It is shown that flapping angle variations of the smart flapping wing are similar to the actual dragonfly wing for a specific feasible voltage. An unsteady aerodynamic model based on modified strip theory is used to obtain the aerodynamic forces. It is found that the smart wing generates sufficient lift to support its own weight and carry a small payload. It is therefore a potential candidate for flapping wing of micro air vehicles.
引用
收藏
页码：1157 / 1167
页数：11
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