Design of a PZT Bimorph Actuator Using a Metamodel-Based Approach-Reference-Cited by-同舟云学术

Design of a PZT Bimorph Actuator Using a Metamodel-Based Approach

Published:2002-05-16 Issue:2 Volume:124 Page:354-357
ISSN:1050-0472
Container-title:Journal of Mechanical Design
language:en
Short-container-title:

Author:

Cappelleri David J.¹,Frecker Mary I.¹,Simpson Timothy W.¹,Snyder Alan²

Affiliation:

1. Pennsylvania State University, Department of Mechanical and Nuclear Engineering, University Park, PA 16802

2. Pennsylvania State University, Department of Surgery, Hershey, PA 17033

Abstract

The design of a variable thickness piezoelectric bimorph actuator for application to minimally invasive surgery is proposed. The actuator is discretized into five segments along its length, where the thicknesses of the segments are used as design variables in the problem of optimizing both the force and deflection at the tip. Metamodeling techniques are used to construct computationally inexpensive approximations of finite element simulations and to rapidly explore the design space and the Pareto frontier. A prototype device and experimental verification of the analytical results are also discussed.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/mechanicaldesign/article-pdf/124/2/354/5798485/347_1.pdf

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