The Measurement of High-Power Characteristics for a Piezoelectric Transducer Based on the Electrical Transient Response
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概要
- 論文の詳細を見る
In this paper, the theoretical and experimental considerations on the high-power characteristics of a piezoelectric transducer are presented. First, we propose a new measurement method for the large vibration amplitude region using an electrical transient response to eliminate the effect of temperature rise. Then, a new loss mechanism concerning the piezoelectric effect is explained by observing the relationship between the vibration velocity and the current and their harmonics. A `piezoelectric loss' is newly introduced in the equivalent circuit model to describe the real loss phenomena clearly.
- Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
- 1998-09-30
著者
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UMEDA Mikio
Department of Electronic Control Engineering, Nagaoka National College of Technology
-
Ueha Sadayuki
Precision And Intelligence Lab. Tokyo Inst. Of Technol.
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Nakamura Kentaro
Precision And Intelligence Lab. Tokyo Inst. Of Technol.
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Umeda Mikio
Department of Electronics, Niigata Polytechnic College, 1-7-21 Shintomi-chou, Shibata, Niigata 957-0017, Japan
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Ueha Sadayuki
Precision and Intelligence Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
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Nakamura Kentaro
Precision and Intelligence Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
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