A novel magnetostrictive static force sensor based on the giant magnetostrictive material

被引：29
|
作者：
Jia, Zhen-Yuan [1 ]
Liu, Hui-Fang [1 ]
Wang, Fu-Ji [1 ]
Liu, Wei [1 ]
Ge, Chun-Ya [1 ]
机构：
[1] Dalian Univ Technol, Sch Mech Engn, Key Lab Precis & Nontradit Machining Technol, Minist Educ, Dalian 116024, Liaoning Prov, Peoples R China
来源：
MEASUREMENT | 2011年 / 44卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Inverse magnetostrictive effect; Force sensor; Giant magnetostrictive material rod;
D O I：
10.1016/j.measurement.2010.09.031
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to realize static force measuring and improve the sensitivity of magnetostrictive force sensor, a novel magnetostrictive static force sensor with giant magnetostrictive material rod is presented. A Hall sensor integrated in the sensor is used to measure magnetic flux density variation under force. A special structure surrounding Hall sensor is proposed to improve the sensitivity. The design method of the giant magnetostrictive force sensor is expounded firstly. The magnetic characteristics are analyzed by FEM. A model is developed based on the coupled linear magnetomechanical constitutive equations and the experimental result shows that the model is good at reflecting the force. The optimal bias magnetic field and sensitivity are studied through experiments. The sensor sensitivity is 6.14 times higher than that of the sensor which dose not have a stainless steel ring. The paper lays a foundation for the development of magnetostrictive force sensor with giant magnetostrictive material. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：88 / 95
页数：8
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