Design of a robust controller and modeling aspects of a micro cantilever beam with fringing and squeezed gas film damping effects

Marialena Vagia, Antonios Tzes

Research output: Contribution to journalArticle

Abstract

In this study, the modeling and control design aspects of a micro cantilever beam (μCB) with fringing and squeezed thin film damping effects are presented. The suspended clamped-free μCB can move via the application of an external electrically induced force. The nonlinear model of the μCB is linearized in multiple operating points with respect to the beam's displacement. A robust H∞-controller relying on the LMI-theory is designed for the set of the resulting multiple linearized submodels. Particular attention is paid in order to examine the stability issue within the intervals of the operating points. Various test cases are presented in this article, in order to investigate the efficacy of the suggested modeling and control techniques.

Original languageEnglish (US)
Pages (from-to)67-79
Number of pages13
JournalMechatronics
Volume23
Issue number1
DOIs
StatePublished - Jan 1 2013

Fingerprint

Cantilever beams
Damping
Controllers
Gases
Thin films

Keywords

  • LMIs
  • MEMS
  • Micro cantilever beam
  • Robust H∞ controller

ASJC Scopus subject areas

  • Mechanical Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Design of a robust controller and modeling aspects of a micro cantilever beam with fringing and squeezed gas film damping effects. / Vagia, Marialena; Tzes, Antonios.

In: Mechatronics, Vol. 23, No. 1, 01.01.2013, p. 67-79.

Research output: Contribution to journalArticle

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