Nano Science and Technology Institute
MSM 98
MSM 98
Technical Proceedings of the 1998 International Conference on Modeling and Simulation of Microsystems
 
Chapter 6: Equivalent Circuits, Behavioral and Multilevel Simulation
 

Modeling and Simulation of a Stiffness-Controlled Micro-Bridge Resonator

Authors:F. Verjus, T. Bourouina, E. Belhaire, N. Mauduit and A. Bosseboeuf
Affilation:IEF-CNRS, FR
Pages:251 - 256
Keywords:resonator, buckling, FEM analysis, HDLA, multi-level simulation
Abstract:This paper deals with the modelin and simulation of electrical stiffness control of a micro-bridge. Stiffness variations are obtained by compressive stresses that result from Joule heating. The micro-bridge is slaved to resonance in order to control its stiffness through its resonance frequency. This is carried-out in a PLL-based circuit in which the mechanical resonator acts as a VCO. Multi-level simulations have been achieved. A first-order analytical model of the micro-bridge has been set on the basis of approximations. Then, FEM simulations have been performed and used to build a refined model. The microbridge models have been implemented in HDLA language for the ELDO simulator. Finally, a system-level simulation has been used to analyze the behavior of the whole system, which includes the micro-bridge resonator linked with other electrical components.
Modeling and Simulation of a Stiffness-Controlled Micro-Bridge ResonatorView PDF of paper
ISBN:0-96661-35-0-3
Pages:678
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