Electrode design of multilayer piezoelectric transducer for longitudinal-bending ultrasonic actuators
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- Takano Masahiro
- Industrial Research Institute of Ishikawa
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- Takimoto Mikio
- Nikko Company
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- Nakamura Kentaro
- Precision and Intelligence Laboratory, Tokyo Institute of Technology
書誌事項
- タイトル別名
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- Electrode design of multilayered piezoelectric transducers for longitudinal-bending ultrasonic actuators
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抄録
To improve the controllability of ultrasonic linear motors in the longitudinal-bending mode, we have developed a multilayered transducer with independent electrode sets for the first longitudinal mode and the second bending mode. Since the vibration components are controlled independently by the transducer, it is possible to change only the driving vibration component with the component for friction control kept constant. The optimal shape and area of the electrodes in terms of efficiency were investigated analytically and experimentally. It was confirmed that an electrode shape in accordance with the mode strain contour gave a large output and that an optimum electrode area existed. The transducer with an optimal electrode pattern exhibited an efficiency improvement of approximately 10% and a 30% reduction of the temperature rise during motor operation.
収録刊行物
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- Acoustical Science and Technology
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Acoustical Science and Technology 32 (3), 100-108, 2011
一般社団法人 日本音響学会
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詳細情報 詳細情報について
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- CRID
- 1390001205090688512
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- NII論文ID
- 130000727460
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- NII書誌ID
- AA11501808
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- ISSN
- 13475177
- 03694232
- 13463969
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- NDL書誌ID
- 11060144
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- 使用不可