Driving characteristics of octagon-type ultrasonic motor 被引量：1

Driving characteristics of octagon-type ultrasonic motor

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摘要 Structure of the octagon-type ultrasonic motor was proposed and designed so as to allow the motor to drive small actuator. The stator of the motor consisted of the octagon shape elastic body and four rectangular plate ceramics. The four ceramics were attached to outer surfaces of the octagon elastic body. The same phase voltages were applied to the ceramics on horizontal surfaces, and 90° phase difference voltages were applied to the ceramics on vertical surfaces. When the AC voltage with 90° phase difference was applied in ceramics, the elliptical displacement of unimorph bars was generated by generating bending vibration. To find the maximum displacement model that generates elliptical displacement at the centers of the inner surfaces, the finite element analysis program ATILA was used. The analyzed results were compared to the experimental results. As a result, the speed and torque are increased linearly by increasing the input voltage and the speed of motors can be controlled by changing the applied voltages. Structure of the octagon-type ultrasonic motor was proposed and designed so as to allow the motor to drive small actuator. The stator of the motor consisted of the octagon shape elastic body and four rectangular plate ceramics. The four ceramics were attached to outer surfaces of the octagon elastic body. The same phase voltages were applied to the ceramics on horizontal surfaces, and 90° phase difference voltages were applied to the ceramics on vertical surfaces. When the AC voltage with 90° phase difference was applied in ceramics, the elliptical displacement of unimorph bars was generated by generating bending vibration. To find the maximum displacement model that generates elliptical displacement at the centers of the inner surfaces, the finite element analysis program ATILA was used. The analyzed results were compared to the experimental results. As a result, the speed and torque are increased linearly by increasing the input voltage and the speed of motors can be controlled by changing the applied voltages.

作者 KIM Jong-Wook PARK Choong-Hyo LIM Jung-Hoon JEONG Seong-Su PARK Jong-Kyu PARK Tae-Gone

机构地区 Changwon National University

出处《Journal of Central South University》 SCIE EI CAS 2013年第1期71-75,共5页 中南大学学报（英文版）

基金 Project supported by the Second Stage of Brain Korea 21 Projects supported by the National Research Foundation of Korea (NRF) Grant funded by the Korea government (MEST) [No.2011-0030806]

关键词 octagon-type 90° phase difference ultrasonic motor ATILA 超声波马达驾驶特性超声波电动机有限元分析程序陶瓷连接输入电压外表面相位差

分类号 TM32 [电气工程—电机]

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1SASHIDA T, KENJO T. An introduction to ultrasonic motors [M], Oxford: Clarendon Press, 1993, 17-23.
2BABOROWSKI J. Microfabrication of piezoelectric MEMS [J]. Journal of Electroceramics, 2004, 12:33-51.
3UEHA S, TOMIKAWA Y, KUROSAWA M, NAKAMURA N. Ultrasonic motors theory and applications [M]. Oxford, 1993, 4-7.
4PARK T G, KIM J, KIM M H, UCHINO K. Characteristics of the first longitudinal-fourth bending mode linear ultrasonic motors [J]. J J A P, 2002, 41: 7139-7143.
5UCHINO K. Ferroelectric devices [M]. Marcel Dekker, Inc, 2001, 208.
6SEWRARD D. Understanding structures-Analysis, material, design [M]. 2003, 228-231.
7ALIK H, JUGHES J R. Finite element method for piezoelectric vibration [J]. International Journal Numerical Methods of Engineering, 2005, 2: 151-157.
8CHONG H H, PARK T G, KIM M H. A study on driving characteristics of the cross type ultrasonic rotary motor [J]. J Electroceram, 2005, 17: 2-4.
9TOMIKAWA Y, TAKANO T, UMEDA H. Thin rotary and linear ultrasonic motors using a double mode piezoelectric vibrator of the first longitudinal and second bending modes [J]. JJAT, 1992, 31: 3075-3076.
10UCHINO K. FEM and micromechatronics with ATILA software [M]. Florida: CRC press, 2008, 245-270.