Characteristics of a Bidirectional Rotary Ultrasonic Motor Using Obliquely Polarized Piezoelectric Transducers
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概要
- 論文の詳細を見る
Obliquely polarized piezoelectric ceramic transducers are newly employed to an ultrasonic motor. Since the direction of polarization is neither parallel nor perpendicular to the applied electric field, the longitudinal and the torsional vibrations are excited simultaneously. In addition, the direction of rotation can be switched by changing the driving frequency. Thus, this motor rotates in both clockwise and counterclockwise directions in spite of a single-phase input signal. The principle and the characteristics of the ultrasonic motor are described.
- 社団法人応用物理学会の論文
- 1993-05-30
著者
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Ishii T
Idemitsu Material Co. Ltd. Chiba Jpn
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Ohtani Keisuke
Precision And Intelligence Laboratory Tokyo Institute Of Technology
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UEHA Sadayuki
Precision and Intelligence Laboratory, Tokyo Institute of Technology
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Ishii T
Kyoto Univ. Kyoto Jpn
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Ishii T
Tokyo Univ. Agriculture And Technol. Tokyo Jpn
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OHNISHI Kazumasa
Alps Electric Co., Ltd.
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Isozaki Tadaaki
Central Research And Development Laboratory Showa Shell Sekiyu K. K.
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Ohnishi Kazumasa
Mechatronic Devices Division 2 Tohoku Alps Co. Ltd
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Ohnishi Kazumasa
Magnetic Devices Division Alps Electric Co. Ltd.
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Ohnishi Kazumasa
Alps Electric Co. Ltd.
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Iga Toru
R&d Center Idemitsu Material Co. Ltd.
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Ohnishi K
International Superconductivity Technol. Center Chiba Jpn
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ISHII Takugo
Institute fur Laser-Physik, University of Hamburg
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Ueha Sadayuki
Precision And Intelligence Lab. Tokyo Inst. Of Technol.
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ISHII Takaaki
ALPS Electric Co., Ltd.
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Ishii T
Institut Fur Laser-physik Universtat Of Hamburg
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