Analysis of ultrasonic linear motor by using finite element method and equivalent circuit

被引：6
|
作者：
Rho, JS [1 ]
Joo, HW [1 ]
Lee, CH [1 ]
Jung, HK [1 ]
机构：
[1] Seoul Natl Univ, Sch Elect Engn, Seoul 151742, South Korea
来源：
2002 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2 | 2002年
关键词：
D O I：
10.1109/ULTSYM.2002.1193486
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this paper, three-dimensional finite element method and construction of equivalent-circuit for linear ultrasonic motor, is presented. The validity of three-dimensional finite element routine in this paper is experimentally confirmed by analyzing impedance of piezoelectric transducer. Using this confirmed finite element routine, impedance and vibration mode of linear ultrasonic motor are calculated. And elliptical motion of contact point between vibrator and rail of linear ultrasonic motor is shown for determination of contact point Using finite element method and analytic equations, characteristics of linear ultrasonic motor, such as thrust force, speed, losses, powers and efficiency, are calculated. And the results are confirmed by experiment. Finally, equivalent circuit parameters of linear ultrasonic motor are obtained by three-dimensional finite element method and analytic equations.
引用
收藏
页码：649 / 652
页数：4
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