基于MSMA逆特性的振动传感器理论及实验

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摘要磁控形状记忆合金（MSMA）不仅具有受磁场控制的电磁-机械正特性,而且具有在机械外力作用下引发材料自身磁化强度发生变化的机械-电磁逆特性,利用此特性,可进行新型振动传感器的研究。本文基于MSMA材料的逆特性,研究MSMA振动传感器在不同偏置条件及不同频率、幅值激振力作用下的输出特性;从MSMA磁路模型和应力应变关系入手,建立振动传感器的输出特性与输入信号之间的数学模型。通过传感器输出电压实验值与计算值的比较,验证了传感器模型的正确性,为MSMA振动传感器优化设计奠定了理论和技术基础。

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	鲁军
	李敏
	王凤翔

关键词 ： MSMA, 逆特性, 振动传感器, 感应电压, 模型

Abstract：Magnetically controlled shape memory alloy (MSMA) has the mechanical-magnetic characteristics effect under magnetic field, and the material also has mechanical-electromagnetic characteristics effect under external force, which cause magnetization changes of the MSMA material, using this feature, the development of new vibration sensor can be carried out. Based on the inverse properties of MSMA alloy material, the output characteristics of MSMA vibration sensor under different driving force and bias conditions is studied;From the magnetic circuit model and the stress-strain relationship of the MSMA, the mathematical model between output characteristics and the input mechanical signals is established and the output voltage is calculated. By comparing with the experimental values and calculated value, the model of sensor is proved to be correct, and the research work lays a foundation both in theory and technique for the optimization design of MSMA vibration sensor.

Key words： MSMA inverse characteristics vibration sensor induced voltage model

收稿日期: 2013-07-05 出版日期: 2014-11-05

PACS:

TM359

基金资助:国家自然科学基金（51377110）,辽宁省自然科学基金（201102184）,沈阳市科技计划（F12-277-1-28）和辽宁省教育厅（LT2012005）资助项目

作者简介: 鲁军男,1965年生,博士,副教授,研究方向为智能材料及智能控制系统。王凤翔男,1938年生,教授,博士生导师,研究方向为特种电机及其控制、电力电子与能量转换技术。

引用本文:

鲁军, 李敏, 王凤翔. 基于MSMA逆特性的振动传感器理论及实验[J]. 电工技术学报, 2014, 29(5): 233-238. Lu Jun, Li Min, Wang Fengxiang. Theoretical and Experimental Study on Vibration Sensor Based on MSMA Inverse Characteristics. Transactions of China Electrotechnical Society, 2014, 29(5): 233-238.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I5/233

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