Abstract
Analysis of dynamic pull-in voltage for a micro-electro-mechanical oscillator of platform type is performed. The lumped mass model for the actuated micro-cantilever beam made of power-law material is established and the bifurcation is investigated with respect to the dimensionless voltage parameter using simple phase plane analysis. The necessary and sufficient conditions for the existence of periodic solutions to the lumped mass model equation are derived and proved analytically. The pull-in conditions on the strength coefficient, power-law exponent, and voltage are determined. Moreover, the response time is analyzed and approximate periodic solutions are derived. The established analytical results are illustrated numerically.
| Original language | English |
|---|---|
| Pages (from-to) | 227-240 |
| Number of pages | 14 |
| Journal | Nonlinear Dynamics |
| Volume | 105 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Jul 2021 |
Funding
The research was supported by the Nazarbayev University ORAU grant “Modeling and Simulation of Nonlinear Material Structures for Mechanical Pressure Sensing and Actuation Applications.” Dr. Eduard G. Kostsov, Dr. Alexei A. Sokolov, and Dr. Piotr Skrzypacz are grateful to Dr. Stanislav I. Fadeev for sharing his pearls of wisdom during the course of the research on MEMS.
Keywords
- Cantilever power-law beam
- MEMS
- Nonlinear oscillator
- Periodic solution
- Pull-in
- Singularity
ASJC Scopus subject areas
- Control and Systems Engineering
- Aerospace Engineering
- Ocean Engineering
- Mechanical Engineering
- Electrical and Electronic Engineering
- Applied Mathematics
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