磁致伸缩、压电层状复合磁电传感器非线性动态有限元模型

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Abstract The dynamic equation of magneto-mechanical-electric characteristics for magnetoelectric sensors is founded via Hamilton variational principles, based on the standard square equation of magnetostrictive materials and linear constitutive equation of piezoelectric materials. The magnetic hysteresis and ΔE effect of magnetostrictive materials for the dynamic equation are considered. The output-voltage characteristic of the magnetoelectric sensors is calculated by using the dynamic equation. The calculating results show that the model can predict the change of output voltage with time in different bias and driving magnetic fields. For example, the error between calculating result and experimental one is only 0.9%, in the bias magnetic field of 22.1kA/m, the driving magnetic field of 7.4kA/m and at the frequency of 100Hz. At same time, the model can be used to determine the maximum driving magnetic field of magnetoelectric sensors.

Key words： Magnetoelectric sensors finite element Hamilton principle magnetostriction piezoelectric effect

Received: 30 December 2010 Published: 20 March 2014

PACS:

TM153

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	Articles by authors
	Zhang Na
	Wang Bowen
	Wang Li
	Li Shuying
	Wang Zhihua
	Weng Ling
	Huang Wenmei
	Li Na

Cite this article:

Zhang Na,Wang Bowen,Wang Li等. Nonlinear Dynamic Finite Element Model for Magnetostrictive/ Piezoelectric Laminated Composite Magnetoelectric Sensors[J]. Transactions of China Electrotechnical Society, 2012, 27(7): 146-152.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I7/146

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