Application of a DC-bias to reduce acceleration sensitivity in quartz resonators

Yook Kong Yong; Mihir S. Patel

doi:10.3233/jae-2005-692

Application of a DC-bias to reduce acceleration sensitivity in quartz resonators

Yook Kong Yong, Mihir S. Patel

Engn-Civil & Environ Engn

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

A quartz resonator subjected to acceleration will deform due to inertial effects. The deformation stresses and strains in the plate will in turn cause a shift in the resonator frequencies. A method is proposed to actively minimize the inertial stresses and strains by a DC-bias electric field. Finite element models are created to calculate the effects of acceleration on resonant frequency and to compare the results with experimental data. The non-linearity and non-homogeneity induced by the inertial forces are modeled by using the concept of a superposed state. The model results for the acceleration effects are shown to compare well with the experimental results. The models are then used to calculate the effects of a DC electric field bias and to demonstrate the reduction of acceleration sensitivity.

Original language	English (US)
Pages (from-to)	69-82
Number of pages	14
Journal	International Journal of Applied Electromagnetics and Mechanics
Volume	22
Issue number	1-2
DOIs	https://doi.org/10.3233/jae-2005-692
State	Published - 2005

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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abstract = "A quartz resonator subjected to acceleration will deform due to inertial effects. The deformation stresses and strains in the plate will in turn cause a shift in the resonator frequencies. A method is proposed to actively minimize the inertial stresses and strains by a DC-bias electric field. Finite element models are created to calculate the effects of acceleration on resonant frequency and to compare the results with experimental data. The non-linearity and non-homogeneity induced by the inertial forces are modeled by using the concept of a superposed state. The model results for the acceleration effects are shown to compare well with the experimental results. The models are then used to calculate the effects of a DC electric field bias and to demonstrate the reduction of acceleration sensitivity.",

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