Design and simulation of optimum piezoelectric MEMS microactuator for smart control applications

Dutta, Soma (2008) Design and simulation of optimum piezoelectric MEMS microactuator for smart control applications. Indian Journal of Engineering and Materials Sciences, 15 (2). pp. 99-103. ISSN 0971-4588

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Abstract

This paper presents the design and finite element simulation of a novel piezoelectric microactuator. The optimaly designed cantilever type piezoelectric microactuator deflects at its tip by converse piezoelectric effect. It consists of a thin film PZT layer, intimately attached with a variable thickness SOI elastic layer and electrically connected with top and bottom electrodes by contact pads. The goal of this coupled piezoelectric actuator design is to multiply the force by adding a support beam, placed closer to the fixed end and by varying the width of the active layer. Structural simulation employed commercial software toot ANSYS/COVENTORWARE and the results include free tip deflection, blocked force and mechanical stresses while subjecting the actuator to a prescribed input voltage.

Item Type: Journal Article
Uncontrolled Keywords: Piezoelectric microactuator;Structural simulation
Subjects: CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
ENGINEERING > Engineering (General)
Division/Department: Materials Science Division
Depositing User: Ms. Alphones Mary
Date Deposited: 29 Dec 2008
Last Modified: 24 May 2010 09:56
URI: http://nal-ir.nal.res.in/id/eprint/4939

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