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The Stator Analysis and Design of Ring Type Ultrasonic Motor  

Yoon, Shin-Yong (동국대 산업기술연구원)
Baek, Soo-Hyun (동국대 전기공학과)
Kim, Yong (동국대 전기공학과)
Kim, Cherl-Jin (한라대 전기전자통신공학부)
Kim, Hyun-Il (산업자원부 품질연구원)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.52, no.10, 2003 , pp. 484-490 More about this Journal
Abstract
This paper describes with the stator analysis and design of a ring type ultrasonic motor. The design for piezoelectric ceramic and elastic body of stator were calculated by using the finite element method (FEM) that consider the resonance frequency, vibration mode and coupling efficiency. Namely, such results were acquired the calculation result of the piezoelectric ceramic thickness 0.5[mm], elastic body thickness 2.0[mm], resonance frequency 51.8[kHz], vibration mode 7 order and coupling efficient 12.5[%], the outer and inner diameter of vibrator 50[mm], 38[m]. On the basis of such result, the ring type ultrasonic motor was manufactured. Also for driving characteristics of ring type ultrasonic motor, 2-phase inverter was constructed. Then the propriety of this paper was established from comparision of the simulation and an experiment results of the ring type ultrasonic motor.
Keywords
Ring type ultrasonic motor; Piezoelectric ceramic; Elastic body; Vibration mode; Coupling efficiency;
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  • Reference
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