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http://dx.doi.org/10.3795/KSME-A.2006.30.9.1102

Structural Design of Piezoelectric Actuator Considering Polarization Direction and Continuous Approximation of Material Distribution  

Lim, Young-Seok (한양대학교 대학원 기계설계학과)
Yoo, Jeong-Hoon (연세대학교 기계공학부)
Min, Seung-Jae (한양대학교 기계공학부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.30, no.9, 2006 , pp. 1102-1109 More about this Journal
Abstract
In this paper, 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 effect of CAMD and the performance improvement of actuator are confirmed through Moonie actuator and PZT suspension design.
Keywords
Topology Optimization; Piezoelectric Actuator; Polarization Direction; Homogenization Design Method; Simple Isotropic Material with Penalization; Continuous Approximation of Material Distribution;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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