Title :
A Magneto-Mechanical Strongly Coupled Model for Giant Magnetostrictive Force Sensor
Author :
Yang, Qingxin ; Yan, Rongge ; Fan, Changzai ; Chen, Haiyan ; Liu, Fugui ; Liu, Shuo
Author_Institution :
Province-Minist. Joint Key Lab. of Electromagn. Field & Electr. Apparatus Reliability, Hebei Univ. of Technol., Tianjin
fDate :
4/1/2007 12:00:00 AM
Abstract :
In this paper, the modeling of force sensors built with rare-earth iron giant magnetostrictive materials is studied. For such a purpose, a magneto-mechanical strongly coupled FE model is proposed. Using the proposed model, the input-output characteristic of a force sensor built with giant magnetostrictive material (Tb-Dy-Fe alloy) is calculated. The obtained results are compared with the measured ones to examine the validity of the proposed magneto-mechanical strongly coupled model and the FE implementation. Satisfactory agreements are achieved. This indicates that the proposed FE model can be used in the design and optimization of giant magnetostrictive force sensors
Keywords :
force sensors; giant magnetoresistance; magnetostrictive devices; giant magnetostrictive force sensor; magnetomechanics; rare-earth iron giant magnetostrictive materials; Couplings; Force control; Force sensors; Iron; Magnetic domains; Magnetic flux; Magnetic materials; Magnetoelasticity; Magnetostriction; Stress; Giant magnetostrictive force sensor; inverse magnetostrictive effect; magneto-mechanical strongly coupled model; numerical analysis;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2007.891406
