Characteristics of Ultrasonic Linear Motor that Incorporates Two Transducers at an Acute Angle
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概要
- 論文の詳細を見る
In this study, we have developed an ultrasonic linear motor that incorporates two transducers at an acute angle. The two transducers are used to generate the vertical and horizontal vibration components. The complex vibration is excited using two electrical sources with a phase shift. Ultrasonic motors have unique characteristics such as silent motion and absence of magnetic noise. These characteristics are suitable for use in hospitals and so on. Therefore, we focus on developing actuators for use in a medical bed, specifically a bedsore prevention bed. A study of the vibration characteristics of the motor showed that the resonant frequencies of the transducers were appropriate, although the vibration amplitude of one transducer was less than that of the other. A study of the load characteristics showed that a no-load speed of 267 mm/s and a maximum thrust of 40 N were obtained.
- 2013-07-25
著者
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Tsujino Jiromaru
Graduate School Of Engineering High-tech Research Center Kanagawa University
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Suzuki Atsuyuki
Department Of Computer Science Faculty Of Engineering Shizuoka University
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Tsunoji Masaki
Department of Mechanical and Electrical Engineering, Tokuyama College of Technology, Shunan, Yamaguchi 745-8585, Japan
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