光纤磁传感器的仿真分析

R. Ma, Wentao Zhang, Fang Li, Yifei Ma
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引用次数: 0

摘要

本文介绍了一种用于磁场测量的光纤传感器。该传感器基于光纤光栅和Terfenol-D材料。利用仿真软件Ansys和Comsol Multiphysics验证了该传感系统的可行性。仿真过程进行了演示。利用Ansys软件对电磁线圈和Terfenol-D棒的性能进行了仿真。Comsol给出了Terfenol-D材料的应变分布、Terfenol-D材料的BH曲线、传感器的磁通密度分布以及Terfenol-D材料的预应力与应变关系的仿真结果。结果表明,该传感器具有良好的线性度,可用于磁场测量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simulation Analysis of Fiber Optic Magnetic Sensor
This paper presents a fiber optic sensor for the measurement of magnetic field. The sensor is based on fiber Bragg grating (FBG) and Terfenol-D material. We use simulation software Ansys and Comsol Multiphysics to verify the feasibility of this sensing system. The simulation process is demonstrated. The performance of solenoid coil and Terfenol-D rod is simulated by Ansys. The simulation results of the strain distribution of the Terfenol-D material, the BH curve of the Terfenol-D material, the magnetic flux density distribution of the sensor and the relationship between pre-stress and the strain of the Terfenol-D are given by Comsol. The results show that this sensor has good linearity and can be used in magnetic field measurement.
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