The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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A Selection Method of Resonant Inductance for the Traveling Wave Type Ultrasonic Motor drive System using Series Resonant Inverter

직렬 공진형 인버터를 사용한 초음파 모터 구동시스템의 공진 인덕턴스 선정법

  • Published : 2000.04.01
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Abstract

To chive a traveling wave type ultrasonic motor with the series""-resonant inverter, the external inductor is i lnserted between the motor and inverter. In $\psi$is paper, we proposed a novel 3Ilalysis method to design the 3 ~xternal inductor. An equivalent model of the ultrasonic motor is expressed, and a selection method of the , ;;eries inductor is proposed from the basis of the model. When the series inductor has an optimal value, it is v velified by computer simulation results that power is efficiently transmitted to the mechanical resonant c component in the motor. The frequency and speed characteristics of the ultrasonic motor are investigated by e experiments for several external inductors. The validity of the proposed method for selecting external inductor i is clarified.clarified.

본 논문에서는 진행파형 초음파 모터 구동을 위한 직렬형 모터측에 직렬로 삽입되는 인덕터의 설계를 위한 새로운 해석 방법을 제시하였다. 초음파 모터의 구조를 등가적으로 해석하였고 이를 토대로 직렬 인덕터의 선정법을 제시하였다. 직렬 인덕터가 최적으로 설계되었을 때 모터 내부의 기계측 고유 공진 요소에 효율적인 전력이 전달될 수 있음을 시뮬레이션을 통하여 확인하였다. 여러 단계의 외부 인덕터에 대한 실험을 통하여 초음파 모터의 주파수 및 속도 특성이 검토되었다. 그 결과 제안된 외부 인덕터 선정방법의 타당성이 입증되었다.

Keywords

References

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