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The Analysis and Experiment Comparison on Stator Natural Frequency of Traveling Wave Ultrasonic Motor

Junyu Li

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Abstract

In this paper,the stator natural frequency of traveling wave ultrasonic motor is studied theoretically and experimentally.The stator structure of traveling wave ultrasonic motor is introduced.Finite Element Analysis method is used to build the stator prototype.From the stator perspective,the effect of different structural parameters on stator natural frequency and vibration is analyzed.Finally some comparative experiments on prototype motor are conducted on the experimental platform.Experimental results show good agreement with the finite element analysis.

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What this paper is about

In this paper,the stator natural frequency of traveling wave ultrasonic motor is studied theoretically and experimentally.The stator structure of traveling wave ultrasonic motor is introduced.Finite Element Analysis method is used to build the stator prototype.From the stator perspective,the effect of different structural parameters on stator natural frequency and vibration is analyzed.Finally some comparative experiments on prototype motor are conducted on the experimental platform.Experimental results show good agreement with the finite element analysis.

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Available abstract

In this paper,the stator natural frequency of traveling wave ultrasonic motor is studied theoretically and experimentally.The stator structure of traveling wave ultrasonic motor is introduced.Finite Element Analysis method is used to build the stator prototype.From the stator perspective,the effect of different structural parameters on stator natural frequency and vibration is analyzed.Finally some comparative experiments on prototype motor are conducted on the experimental platform.Experimental results show good agreement with the finite element analysis.

Key concepts: Ultrasonic motor, Stator, Traveling wave, Natural frequency, Acoustics, Vibration, Finite element method, Engineering

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