Piezoelectric actuated antenna shells

被引：0
|
作者：
Gupta, VK [1 ]
Seshu, P [1 ]
Issac, KK [1 ]
Shevgaonkar, RK [1 ]
机构：
[1] Engn Coll Kota, Dept Mech Engn, Kota 324009, Rajasthan, India
来源：
ELEVENTH WORLD CONGRESS IN MECHANISM AND MACHINE SCIENCE, VOLS 1-5, PROCEEDINGS | 2004年
关键词：
piezoelectric; actuator; antenna; smart structures; FEM; shell;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Smart structures, with embedded piezoelectric sensors and actuators, attract considerable research interest today in shape and vibration control applications. One such application currently being investigated is the shape control of aperture antennas. By supplying suitable electric field to the actuators, different shapes of the antenna can be obtained enabling one to shape or steer the radiated beam. In this paper, first the antenna shell is modelled using finite element technique and then the deflected shape of the antenna shell is analysed for effect on the radiation pattern. Effect of different positions and sizes of the piezoelectric actuator on cylindrical antenna shells is analyzed.
引用
收藏
页码：1336 / 1340
页数：5
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