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A Simplified Equivalent Circuit Model of MEMS Electrostatic Actuator

by Pradeep Chawda
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 160 - Number 9
Year of Publication: 2017
Authors: Pradeep Chawda
10.5120/ijca2017913097

Pradeep Chawda . A Simplified Equivalent Circuit Model of MEMS Electrostatic Actuator. International Journal of Computer Applications. 160, 9 ( Feb 2017), 17-23. DOI=10.5120/ijca2017913097

@article{ 10.5120/ijca2017913097,
author = { Pradeep Chawda },
title = { A Simplified Equivalent Circuit Model of MEMS Electrostatic Actuator },
journal = { International Journal of Computer Applications },
issue_date = { Feb 2017 },
volume = { 160 },
number = { 9 },
month = { Feb },
year = { 2017 },
issn = { 0975-8887 },
pages = { 17-23 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume160/number9/27101-2017913097/ },
doi = { 10.5120/ijca2017913097 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-07T00:06:15.325113+05:30
%A Pradeep Chawda
%T A Simplified Equivalent Circuit Model of MEMS Electrostatic Actuator
%J International Journal of Computer Applications
%@ 0975-8887
%V 160
%N 9
%P 17-23
%D 2017
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Modeling a MEMS (Micro Electro-Mechanical Systems) electrostatic actuator in electrical domain is important for system simulation of the actuator along with its associated electronics. For instance, an integrated MEMS resonator used in a serial I/O PLL design modeled in electrical domain enables to optimize the system with the rest of the electronics. In this work, we have developed a simplified equivalent circuit model for MEMS electrostatic actuator and simulated it using Natspice, a U.C. Berkeley SPICE3f5-based in-house circuit simulator. The equations governing the actuator are implemented using coupled RL and RLC circuit, defined in SPICE and Verilog-A. Natspice simulation results are presented and compared with Matlab results which show very high correlation. A system consisting of an array of MEMS devices can be quickly simulated using this simplified model.

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Index Terms

Computer Science
Information Sciences

Keywords

Microactuator Equivalent Circuit Large Signal Small Signal

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