Diagonally Symmetric Form Ultrasonic Motor Using LiNbO3 Plate
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概要
- 論文の詳細を見る
An ultrasonic motor fabricated from a LiNbO3 plate for high-speed revolution is presented. To obtain a high-speed motor, a large vibration velocity is required, and LiNbO3 is suitable because it can maintain stable vibrational characteristics even when the vibration velocity exceeds 2 m/s. Additionally, a coupling mode in a diagonally symmetric form vibrator is introduced to realize a small single-phase motor. In this paper, we describe the experimental results for a LiNbO3 plate ultrasonic motor whose revolution speed exceeds 5,000 rpm, which is obtained by the driving input voltage and power of 2 Vrms and 34 mW, respectively. Moreover, to know the operating limit in terms of material strength, a finite element method analysis and experimental results are presented.
- 2007-07-30
著者
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Hirose Seiji
Department Of Electrical And Information Engineering Yamagata University
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Tamura Hideki
Department Of Anesthesia Hiroshima Red Cross & Atomic Bomb Survivors Hospital
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TAKANO Takehiro
Information and Communication Engineering, Tohoku Institute of Technology
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Tomikawa Yoshiro
Department Of Electrical And Information Engineering Faculty Of Engineering
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Aoyagi Manabu
Muroran Institute of Technology, Muroran, Hokkaido 050-8585, Japan
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Tomikawa Yoshiro
Department of Electrical Engineering, Yamagata University, Yonezawa, Yamagata 992-8510, Japan
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Aoyagi Manabu
Muroran Inst. of Tech.
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Kawai Koujiro
Department of Electrical Engineering, Yamagata University, Yonezawa, Yamagata 992-8510, Japan
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