Nanotech 2001 Vol. 1
Nanotech 2001 Vol. 1
Technical Proceedings of the 2001 International Conference on Modeling and Simulation of Microsystems

Optimization Chapter 5

Structural Design of Micro Electrostatic Actuator for Optical Memory Using Design Windows Searching Method

Authors: D. Ishihara, M.J. Jeong, S. Yoshimura, G. Yagawa and Y.J. Kim

Affilation: University of Tokyo, Japan

Pages: 157 - 160

Keywords: computer-aided optimization, finite element method, design window satisfactory design, continuous evolutionary algorithm, clustering, micro electrostatic actuator

For satisfactory design of micromachines, this paper describes a search method for a multi-dimensional design window (DW), which is defined as an area of satisfactory solutions in a feasible design parameter space. The method consists of the following steps: (1) direct search for satisfactory design solutions using continuous evolutionary algorithm (CEA, a kind of EA), and (2) identification of DWs from the solutions using a modified K-means clustering algorithim. The obtained DWs are expected to give engineers useful information to understand a design problem, and, further, give them new ideas of design. To demonstrate practical performance of the proposed method, it was applied to a shape design of micro electrostatic actuator for optical memory.

ISBN: 0-9708275-0-4
Pages: 638

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