Study on Ultrasonic Vibration Rings with Piezoelectric Elements Embedded Inside (3) Experimental study and application to ultrasonic motor

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  • 圧電素子を内部に組込む円環状超音波振動体の検討(3)実験的検討と超音波モータへの応用
  • アツデン ソシ オ ナイブ ニ クミコム エン カンジョウ チョウオンパ シンドウタイ ノ ケントウ(3)ジッケンテキ ケントウ ト チョウオンパ モータ エ ノ オウヨウ

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In previous works, the authors have proposed a new method to excite the ultrasonic vibration in a metal ring. The system composed of four pairs of piezoelectric elements for torsional/longitudinal vibration embedded in four arcuate metal blocks was designed and theoretically investigated via finite element analysis. This paper presents an experimental study on previous designed systems and an application to the travelling wave ultrasonic motor using the piezoelectric elements for torsional vibration.

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