Paper Title:
Structural Design of Piezoelectric Actuator Considering Polarization Direction and Continuous Approximation of Material Distribution
  Abstract

In the design of piezoelectric actuator the concept of compliant mechanism combined with piezoelectric materials has been used to magnify either geometric or mechanical advantage. The polarization of piezoelectric materials is considered to improve actuation since the piezoelectric polarization has influences on the performance of the actuator. The topology design of compliant mechanism can be formulated as an optimization problem of material distribution in a fixed design domain and continuous approximation of material distribution(CAMD) method has demonstrated its effectiveness to prevent the numerical instabilities in topology optimization. The optimization problem is formulated to maximize the mean transduction ratio subject to the total volume constraints and solved using a sequential linear programming algorithm. The performance improvement of Moonie actuator design confirms an effect of polarization direction and CAMD.

  Info
Periodical
Key Engineering Materials (Volumes 326-328)
Edited by
Soon-Bok Lee and Yun-Jae Kim
Pages
1407-1410
DOI
10.4028/www.scientific.net/KEM.326-328.1407
Citation
Y. S. Lim, S. J. Min, S. Nishiwaki, "Structural Design of Piezoelectric Actuator Considering Polarization Direction and Continuous Approximation of Material Distribution", Key Engineering Materials, Vols. 326-328, pp. 1407-1410, 2006
Online since
December 2006
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Price
$32.00
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