Modelling self-sensing of a magnetostrictive actuator based on a terfenol-D rod

doi:10.1088/1674-1056/23/12/127504

中国物理B ›› 2014, Vol. 23 ›› Issue (12): 127504-127504.doi: 10.1088/1674-1056/23/12/127504

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇下一篇

Modelling self-sensing of a magnetostrictive actuator based on a terfenol-D rod

严柏平^a, 张成明^b, 李立毅^b, 唐志峰^a, 吕福在^a, 杨克己^a

a Institute of Modern Manufacturing Technology, Zhejiang University, Hangzhou 310058, China;
b School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China

收稿日期:2014-06-04 修回日期:2014-07-16 出版日期:2014-12-15 发布日期:2014-12-15
基金资助:
Project supported by the National Preeminent Youth Foundation (Grant No. 51225702) and the National Natural Science Foundation of China (Grant No. 51177024).

Modelling self-sensing of a magnetostrictive actuator based on a terfenol-D rod

Yan Bai-Ping (严柏平)^a, Zhang Cheng-Ming (张成明)^b, Li Li-Yi (李立毅)^b, Tang Zhi-Feng (唐志峰)^a, Lü Fu-Zai (吕福在)^a, Yang Ke-Ji (杨克己)^a

a Institute of Modern Manufacturing Technology, Zhejiang University, Hangzhou 310058, China;
b School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China

Received:2014-06-04 Revised:2014-07-16 Online:2014-12-15 Published:2014-12-15
Contact: Yan Bai-Ping E-mail:denip@163.com
Supported by:
Project supported by the National Preeminent Youth Foundation (Grant No. 51225702) and the National Natural Science Foundation of China (Grant No. 51177024).

摘要/Abstract

摘要：

A simplified quasi-static computational model for self-sensing applications of magnetostrictive actuators based on terfenol-D rods is presented. Paths and angle changes in the magnetic moments rotation of Tb_0.3Dy_0.7Fe₂ alloy are studied as functions of compressive stress and magnetic field, and then used to determine the magnetization in its actuation. Then sensing of magnetic induction picked from a driving coil in an actuator is derived. The model is quick and efficient to solve moments rotation and its magnetization. Sensing results of compressive stress and magnetostriction calculated by the model are in good agreement with experiments and will be helpful in the design and control of self-sensing applications in actuators.

关键词: self-sensing model, magnetostrictive actuator, Tb_0.3Dy_0.7Fe₂ alloy, moments rotation

Abstract:

Key words: self-sensing model, magnetostrictive actuator, Tb_0.3Dy_0.7Fe₂ alloy, moments rotation

中图分类号: (Magnetomechanical effects, magnetostriction)

75.80.+q

75.60.-d (Domain effects, magnetization curves, and hysteresis) 75.60.Ej (Magnetization curves, hysteresis, Barkhausen and related effects)

严柏平, 张成明, 李立毅, 唐志峰, 吕福在, 杨克己. Modelling self-sensing of a magnetostrictive actuator based on a terfenol-D rod[J]. 中国物理B, 2014, 23(12): 127504-127504.

Yan Bai-Ping (严柏平), Zhang Cheng-Ming (张成明), Li Li-Yi (李立毅), Tang Zhi-Feng (唐志峰), Lü Fu-Zai (吕福在), Yang Ke-Ji (杨克己). Modelling self-sensing of a magnetostrictive actuator based on a terfenol-D rod[J]. Chin. Phys. B, 2014, 23(12): 127504-127504.

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Modelling self-sensing of a magnetostrictive actuator based on a terfenol-D rod

Modelling self-sensing of a magnetostrictive actuator based on a terfenol-D rod

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