Finite element model-simulation-based characterization of a magnetostrictive gyrosensor

被引：8
|
作者：
Marschner, U. [1 ]
Graham, F. [2 ]
Mudivarthi, C. [3 ]
Yoo, J. -H. [2 ]
Neubert, H. [4 ]
Flatau, A. B. [2 ]
机构：
[1] Tech Univ Dresden, Inst Semicond & Microsyst Technol, D-01062 Dresden, Germany
[2] Univ Maryland, Dept Aerosp Engn, College Pk, MD 20742 USA
[3] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA
[4] Tech Univ Dresden, Inst Electromech & Elect Design, D-01062 Dresden, Germany
来源：
JOURNAL OF APPLIED PHYSICS | 2010年 / 107卷 / 09期
关键词：
D O I：
10.1063/1.3360771
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
This paper analyzes a prototype microgyrosensor that employs the magnetostrictive alloy Galfenol for transduction of Coriolis-induced forces into an electrical output for quantifying a given angular velocity. The magnetic induction distribution in the Galfenol sensor patch depends on its bending shape and magnetoelastic properties and is investigated using a finite element model. Fluctuations in magnetic induction caused by a sinusoidal rotation of the sensor produce an amplitude modulated voltage in a surrounding coil which is simulated and measured. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3360771]
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页数：3
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