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Shape control of curved beams using piezoelectric actuators

DSpace at IIT Bombay

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Title Shape control of curved beams using piezoelectric actuators
 
Creator GANGULI, A
JHAWAR, S
SESHU, P
 
Subject piezoelectric
linear strain
finite element
curved beam
static shape control
energy consumption
 
Description In this work, the shape control of curved beams using symmetric surface bonded piezoelectric actuators, excited out of phase, is studied. To predict the deflections accurately, a finite element model using a three-noded isoparametric curved beam element has been implemented. To model the piezoelectric layers, coupled finite element equations have been used and solved using iterative approach. Closed form expression for deflection has also been derived and compared with FEM and experimental results. The closed form solution based on linear strain variation is used for the static shape control of curved beams. Shape control is achieved by minimizing an objective function, which takes into account the error between actual and desired shapes as well as energy consumed by the actuators.
 
Publisher SPIE-INT SOC OPTICAL ENGINEERING
 
Date 2011-10-23T23:44:57Z
2011-12-15T09:11:19Z
2011-10-23T23:44:57Z
2011-12-15T09:11:19Z
2003
 
Type Proceedings Paper
 
Identifier SMART MATERIALS, STRUCTURES, AND SYSTEM, PTS 1 AND 2,5062,297-304
0-8194-4868-0
0277-786X
http://dx.doi.org/10.1117/12.514406
http://dspace.library.iitb.ac.in/xmlui/handle/10054/15270
http://hdl.handle.net/100/1990
 
Source Conference on Smart Materials, Structures and Systems,BANGALORE, INDIA,DEC 12-14, 2002
 
Language English