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Motion transient analysis of flat-type vibration motor for mobile phone

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3 Author(s)
Sung Hong Won ; Dept. of Electr. Eng., Hanyang Univ., Seoul ; Tae Heoung Kim ; Ju Lee

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

Published in:

Magnetics, IEEE Transactions on  (Volume:42 ,  Issue: 4 )