[1]蒋春容,胡敏强,金龙,等.中空环形行波超声波电机有限元接触模型[J].东南大学学报(自然科学版),2014,44(1):99-103.[doi:10.3969/j.issn.1001-0505.2014.01.018] 　Jiang Chunrong,Hu Minqiang,Jin Long,et al.Finite element contact model of a hollow ring type traveling wave ultrasonic motor[J].Journal of Southeast University (Natural Science Edition),2014,44(1):99-103.[doi:10.3969/j.issn.1001-0505.2014.01.018] 点击复制 中空环形行波超声波电机有限元接触模型() 分享到： var jiathis_config = { data_track_clickback: true };

44

2014年第1期

99-103

2014-01-18

文章信息/Info

Title:
Finite element contact model of a hollow ring type traveling wave ultrasonic motor

1东南大学电气工程学院, 南京 210096; 2南京工程学院电力工程学院, 南京 211167
Author(s):
1School of Electrical Engineering, Southeast University, Nanjing 210096, China
2School of Electric Power Engineering, Nanjing Institute of Technology, Nanjing 211167, China

Keywords:

TM356
DOI:
10.3969/j.issn.1001-0505.2014.01.018

Abstract:
The focus of this paper is to study the contact model of a hollow ring type traveling wave ultrasonic motor used in the Canon auto-focus lens with the finite element method. First, the finite element contact model is built and the traveling wave motion is applied to the neutral plane of the stator. The sloping elliptical motion of the stator surface and the contact status of the stator and the rotor are obtained. The motion of the stator and the rotor as well as the contact pressure in the contact surface are compared when the rotor is applied with no load torque and stalled. The contact pressure when the rotor is applied with no load is significantly different from the contact pressure when the rotor is stalled, which indicates that the load torque has an effect on the distribution of contact pressure. Then the proposed model is verified by experimental data. The analytical results are in good agreement with the experimental results. Finally, a new rotor is proposed and it is indicated that the torque-speed performance of the motor is optimized by adopting the new rotor.

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