Title :
Motion transient analysis of flat-type vibration motor for mobile phone
Author :
Won, Sung Hong ; Kim, Tae Heoung ; Lee, Ju
Author_Institution :
Dept. of Electr. Eng., Hanyang Univ., Seoul
fDate :
4/1/2006 12:00:00 AM
Abstract :
The flat-type vibration motor has an axial-gap structure. Analyzing axial-gap motors with the two-dimensional (2-D) finite-element method is very difficult because we have to define the analysis surface as a cylindrical surface. In order to simulate the flat-type vibration motor, we have developed new equations of calculation for the torque of the motor, which is uses a 2-D grid model. We have measured the load torque of the vibration motor which is used for the motion transient analysis. The simulated vibration characteristic is compared with experimental value
Keywords :
finite element analysis; mobile handsets; vibrations; 2D finite-element method; 2D grid model; FEM; axial-gap motors; cylindrical surface; flat-type vibration motor; mobile phone; motion transient analysis; motor torque calculation equation; Coils; Current density; Finite element methods; Magnetic flux; Mobile handsets; Motion analysis; Torque; Transient analysis; Two dimensional displays; Vibration measurement; Axial gap; finite-element method (FEM); grid; mobile phone; motion transient; vibration motor;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2006.870964
