Research on relationship model between temperature and magnetic induction intensity of magnetically controlled shape memory alloy

doi:10.16731/j.cnki.1671-3133.2018.03.004

Abstract

Abstract: As a new type of sensor material,Magnetically Controlled Shape Memory Alloy (MSMA) has high sensitivity,fast response,high energy density and so on.On the one hand,the researchers have not yet a unified understanding for the relationship model between the temperature and the magnetic induction intensity,so that they are unable to determine the effect of temperature on the magnetic induction intensity;on the other hand,the magnitude of magnetic induction intensity changes determine the characteristics of sensitivity,thus the application of MSMA material is limited in the field of ultra-precision sensor.On the basis of analyzing the existing methods of curve relationship model,the relationship model between temperature and magnetic induction intensity is solved by polynomial regression method.The results show that the fitting accuracy of the model is very high,which proves the feasibility of the polynomial regression method.

Key words: magnetically controlled shape memory alloy, temperature, magnetic induction intensity, polynomial regression

CLC Number:

TG132.2+71

Tu Fuquan,Hu Shengmou,Zhuang Yuhang,Lü Jie,Wang Yunxue. Research on relationship model between temperature and magnetic induction intensity of magnetically controlled shape memory alloy[J]. Modern Manufacturing Engineering, 2018, 450(3): 19-22.

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