Magnetic circuit design and analysis of giant magnetostrictive force sensor based on the Villari effect

被引：2
|
作者：
Wang, Chuanli [1 ,2 ]
Shi, Rui [1 ]
Yu, Caofeng [1 ]
Wang, Yu [1 ]
Chen, Zhuo [1 ]
机构：
[1] Anhui Univ Sci & Technol, Sch Mech Engn, Huainan 232000, Anhui, Peoples R China
[2] Anhui Key Lab Mine Intelligent Equipment & Techno, Huainan 232000, Anhui, Peoples R China
来源：
TENTH INTERNATIONAL SYMPOSIUM ON PRECISION MECHANICAL MEASUREMENTS | 2021年 / 12059卷
关键词：
Villari effect; magnetostrictive material; force sensor; magnetic circuit; MODEL;
D O I：
10.1117/12.2611015
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Based on the Villari effect of giant magnetostrictive material, a new giant magnetostrictive force sensor is proposed. The magnetic flux is measured by the Hall element in the structure, to realize the measurement of external load. Firstly, according to the structure and working principle of the giant magnetostrictive force sensor, its closed magnetic circuit is analyzed. Secondly, based on the basic theory of electromagnetic field, the magnetic circuit of the giant magnetostrictive force sensor is calculated by the finite element method. Finally, the specific factors affecting the output characteristics of the sensor are deeply discussed. The results show that the closed magnetic circuit can effectively avoid magnetic flux leakage, and it is reasonable to use the hall principle and Villari effect to measure the external load, which provides a technical way for the further research of giant magnetostrictive force sensors.
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收藏
页数：10
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