基于MSMA逆特性的振动传感器理论及实验

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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

Received: 05 July 2013 Published: 05 November 2014

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TM359

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	Articles by authors
	Lu Jun
	Li Min
	Wang Fengxiang

Cite this article:

Lu Jun,Li Min,Wang Fengxiang. Theoretical and Experimental Study on Vibration Sensor Based on MSMA Inverse Characteristics[J]. Transactions of China Electrotechnical Society, 2014, 29(5): 233-238.

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

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