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Basic Modeling and Design of magnetoelastic Resonator System for Viscosity Sensor
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- Authors
- Advisor
- 고상근
- Major
- 공과대학 기계항공공학부
- Issue Date
- 2014-08
- Publisher
- 서울대학교 대학원
- Keywords
- Resonance ; magnetoelastic ; magnetization ; coupling coefficient ; viscosity
- Description
- 학위논문 (석사)-- 서울대학교 대학원 : 기계항공공학부, 2014. 8. 고상근.
- Abstract
- In this paper, an equivalent circuit model for magnetoelastic resonator is introduced. Elements of the model consist of coil inductance, magnetization of the resonator, a parallel RLC resonator representing the resonator resonance and a transformer indicating conversion ratio. This model suggests an approach to describe electrical response and characteristics of the resonator subject to geometries and excitation conditions. Moreover, corresponding techniques for extraction of parameters of the system are developed. Experimental results show that the model gives reasonable approximation of the system and accurately predicts behavior of the system.
- Language
- English
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