Finite element piezothermoelasticity analysis and the active control of FGM plates with integrated piezoelectric sensors and actuators

被引：0
|
作者：
K. M. Liew
X. Q. He
T. Y. Ng
S. Kitipornchai
机构：
[1] Nanyang Centre for Supercomputing and Visualisation,
[2] School of Mechanical and Production Engineering,undefined
[3] Nanyang Technological University,undefined
[4] Nanyang Avenue,undefined
[5] Singapore 639798 E-mail: mkmliew@ntu.edu.sg,undefined
[6] Department of Building and Construction,undefined
[7] City University of Hong Kong,undefined
[8] Tat Chee Avenue,undefined
[9] Kowloon,undefined
[10] Hong Kong,undefined
来源：
Computational Mechanics | 2003年 / 31卷
关键词：
Keywords Vibration control, Smart structures, Piezoelectric sensors/actuators, FGM plates, Finite element method;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
 An efficient finite element model is presented for the static and dynamic piezothermoelastic analysis and control of FGM plates under temperature gradient environments using integrated piezoelectric sensor/actuator layers. The properties of an FGM plate are functionally graded in the thickness direction according to a volume fraction power law distribution. A constant displacement-cum-velocity feedback control algorithm that couples the direct and inverse piezoelectric effects is applied to provide active feedback control of the integrated FGM plate in a closed loop system. Numerical results for the static and dynamic control are presented for the FGM plate, which consists of zirconia and aluminum. The effects of the constituent volume fractions and the influence of feedback control gain on the static and dynamic responses of the FGM plates are examined.
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页码：350 / 358
页数：8
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