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.
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Y. S. Choi was born in Daegu, South Korea, on 7 February 1983. He received Ph.D. degree in Mechanical Engineering from Seoul National University, Seoul, South Korea, 2015. During a stay at the Seoul National University in 2006–2015, he did research work on telemetry systems and magnetostrictive sensors.
J. W. Yoo was born in Seoul, South Korea, on 6 June 1985. He received M.S. degree in Mechanical Engineering from Seoul National University, Seoul, South Korea, 2014. His research interests are ultrasonic and magnetostrictive system, basically based on resonant principles.
S. J. Kang was born in Mokpo, South Korea, on 10 February 1989. He received M.S. degree in Mechanical Engineering from Seoul National Univerity. His research interests are embedded systems and ultrasonics.
S. K. Kauh received Ph.D. degree in Mechanical Engineering from Seoul National University, Seoul, South Korea, 1987. Since 1989, he has been on the faculty of the Department of Mechanical Engineering at Seoul National University. His research interests include embedded systems, telemetry and precision instrumentation systems.
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Choi, Y.S., Yoo, J.W. & Kauh, S.K. Modeling of magnetoelastic resonator using h-parameter analysis. J Mech Sci Technol 30, 749–761 (2016). https://doi.org/10.1007/s12206-016-0130-9
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DOI: https://doi.org/10.1007/s12206-016-0130-9