Stepping Drive of Self-Oscillation-Type Ultrasonic Motor (<Special Issue> FERROELECTRIC MATERIALS AND THEIR APPLICATIONS)
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概要
- 論文の詳細を見る
A stepping drive method that does not use an extra clock signal source for a self-oscillation-type ultrasonic motor is described. The motor used here is an in-phase drive-type ultrasonic motor using two degenerate bending vibration modes of a disk. The output electrical signals caused on a self-oscillation are used as a clock signal for the stepping drive. An angular displacement at every step is realized using an open-loop control system without a rotary encoder as an angular displacement sensor. In order to eliminate the deviation of angular displacement at every step, a multitooth rotor was used. As a result, stable stepping drive of an ultrasonic motor was realized.
- 社団法人応用物理学会の論文
- 1994-09-30
著者
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Tomikawa Yoshiro
Department of Electrical Engineering and Information Science, Faculty of Engineering, Yamagata Unive
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TAKANO Takehiro
Department of Communication Engineering, Tohoku Institute of Technology
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KUSAKABE Chiharu
Section of Electricity, Faculy of Education, Yamagata Univrsity
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AOYAGI Manabu
Department of Electrical Engineering and Information Science, Yamagata University
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Aoyagi Manabu
Muroran Inst. Of Technol. Hokkaido Jpn
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Aoyagi Manabu
Department Of Electrical And Electronic Engineering Muroran Institute Of Technology
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Takano Takehiro
Tohoku Inst. of Tech.
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Takano T
Department Of Communication Engineering Tohoku Institute Of Technology
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Takano Takehiro
Department Of Communication Engineering Tohoku Institute Of Technology
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INAMURA Shoichi
Section of Electricity, Faculty of Education, Yamagata University
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Inamura Shoichi
Section Of Electricity Faculty Of Education Yamagata University
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Tomikawa Yoshiro
Department Of Electrical Engineering And Information Science Yamagata University
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KUSAKABE Chiharu
Yamagata University, Faculty of Education
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Kusakabe Chiharu
Yamagata University Faculty Of Education
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Tomikawa Yoshiro
Department Of Electrical And Information Engineering Faculty Of Engineering
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