Analytical modeling and simulation of a 2-DOF drive and 1-DOF sense gyro-accelerometer

被引：0
|
作者：
Payal Verma
R. Gopal
Sandeep K. Arya
机构：
[1] CSIR,MEMS and Micro
[2] Central Electronics Engineering Research Institute,sensor Group
[3] Guru Jambheshwar University of Science and Technology,Department of Electronics and Communication Engineering
来源：
Microsystem Technologies | 2013年 / 19卷
关键词：
Sense Mode; Linear Acceleration; Angular Rate; Inertial Sensor; Sense Direction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, we present a new analytical model for frequency as well as transient analysis of a 3-DOF gyro-accelerometer system having 2-DOF in drive and 1-DOF in sense direction respectively. The model constructs lumped parameter differential equations by vector analysis associated with each degree of freedom that comprises Coriolis action, Euler’s action and action due to external acceleration along with biasing counterparts. These coupled differential equations are then solved explicitly in the frequency domain by taking their Laplace transforms. Based on these formulations, a thorough system analysis has been carried out keeping in view the various parameters and issues related to the device design. Furthermore, a discriminating scheme for time varying angular rate and linear acceleration by combining the structural model of a gyro-accelerometer with the demodulation and filtering processes to investigate frequency response of a micro gyro-accelerometer has also been presented by taking into account the presently derived settled transient solution of sense mode response. Finally we have verified the present model with MATLAB Simulink, showing their excellent agreement with each other.
引用
收藏
页码：1239 / 1248
页数：9
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