TITLE

Bifurcation topology tuning of a mixed behavior in nonlinear micromechanical resonators

AUTHOR(S)
Kacem, N.; Hentz, S.
PUB. DATE
November 2009
SOURCE
Applied Physics Letters;11/2/2009, Vol. 95 Issue 18, p183104
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report the experimental observation of a four-bifurcation-point (or five possible amplitudes for a given frequency) behavior of electrostatically actuated micromechanical resonators, called the mixed (first hardening then softening) behavior. We also demonstrate both analytically and experimentally tuning the bifurcation topology of this behavior via an electrostatic mechanism. An analytical model allows for the qualitative as well as quantitative explanation of the experiments and serves as a simple tool for design of nonlinear micromechanical devices under high drive.
ACCESSION #
45036555

 

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