An ultrasonic motor using transmission line and spiral structure driven by a Langevin transducer

被引：0
|
作者：
Ishii, Takaaki [1 ]
Mochizuki, Masaki [1 ]
Shimizu, Tsuyoshi [1 ]
机构：
[1] Univ Yamanashi, Dept Mech, Kofu, Yamanashi 4008511, Japan
来源：
2015 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2015年
关键词：
Langevin transducer; transmission line; spiral structure; ultrasonic motor; TORSIONAL VIBRATION CONVERTER; LOAD CHARACTERISTICS; ROTARY MOTOR;
D O I：
10.1109/ULTSYM.2015.0541
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An ultrasonic micro-motor usually has small torque because of its small sized rotor. If we can use large sized transducer, such as bolt clamped Langevin transducer, we can expect an ultrasonic micro-motor with high performance. In this research, a Langevin transducer with 31.5 mm in diameter is used to drive a rotor with 5 mm in diameter. Spiral structure is used to excite both longitudinal and torsional vibration to drive the rotor. The maximum revolution speed was 147 r.p.m. at applied voltage of 60 Vp-p, the maximum torque was 0.061 mNm at applied voltage of 60 Vp-p, and the maximum driving efficiency was 0.0059 % at applied voltage of 50 Vp-p.
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页数：3
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