MCH-04 SHAPE MEMORY PIEZOELECTRIC ACTUATOR WITH ASYMMETRIC VOLTAGE OPERATION(Micro/Nanomechatronics II,Technical Program of Oral Presentations)
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概要
- 論文の詳細を見る
Generally, a piezoelectric actuator requires continuous dc voltages to keep a certain piezoelectric displacement. This property can prevent from achieving low energy consumptions of a mobile device. The shape memory piezoelectric actuator doesn't need any continuous dc voltages to keep its piezoelectric displacement. The shape memory piezoelectric actuator can be operated by pulse shaped voltage sets. We had proposed the imprint electrical field control to obtain the shape memory effect. However, it has fatigue of the shape memory by continuous drive. In this study, new principle of the shape memory piezoelectric actuator is proposed and demonstrated. The shape memory piezoelectric actuator is realized by asymmetric voltage operation without imprint electrical field. The asymmetric pulsed operation realized in better fatigue endurance than previous study.
- 一般社団法人日本機械学会の論文
- 2009-06-17
著者
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HOSAKA Hiroshi
Graduate School of Frontier Sciences, The University of Tokyo
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Hosaka Hiroshi
Graduate School Of Frontier Sciences The University Of Tokyo
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Hosaka Hiroshi
Graduate School Of Frontier Science The University Of Tokyo
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KADOTA Yoichi
Graduate School of Frontier Sciences, The University of Tokyo
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MORITA Takeshi
Graduate School of Frontier Sciences, The University of Tokyo
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Morita Takeshi
Graduate School Of Frontier Sciences The University Of Tokyo
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Kadota Yoichi
Graduate School Of Frontier Sciences The University Of Tokyo
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Morita Takeshi
Graduate School of Engineering, Shizuoka University, Hamamatsu 432-8561, Japan
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