[1]陶征,胡斌,刘旭.基于螺栓联接非线性系统的杆式超声电机建模与分析[J].郑州大学学报(工学版),2017,38(01):78.[doi:10.13705/j.issn.1671-6833.2017.01.006]
　Tao Zheng,Hu Bin,Liu Xu.Modeling and Analysis of the Rod-type Ultrasonic Motor Based on Bolted-joint[J].Journal of Zhengzhou University (Engineering Science),2017,38(01):78.[doi:10.13705/j.issn.1671-6833.2017.01.006]
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基于螺栓联接非线性系统的杆式超声电机建模与分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
38
期数:
2017年01期
页码:
78
栏目:
出版日期:
2017-02-24

文章信息/Info

Title:
Modeling and Analysis of the Rod-type Ultrasonic Motor Based on Bolted-joint
作者:
陶征; 胡斌; 刘旭
郑州大学机械工程学院,河南郑州,450001
Author(s):
Tao Zheng;  Hu Bin;  Liu Xu
School of Mechanical Engineering, Zhengzhou University, Zhengzhou, Henan 450001
关键词:
超声电机; 电机振子; 螺栓联接; 非线性
Keywords:
ultrasonic motor; vibrator; bolted-joint; nonlinearity
DOI:
10.13705/j.issn.1671-6833.2017.01.006
文献标志码:
A
摘要:
针对当前杆式超声电机设计中通常采用连续复合材料结构形式的有限元模型而导致计算精度不足的问题,提出了在螺栓预紧力条件下的杆式多自由度超声电机振子的建模方法,并分析了螺栓预紧力和联接面摩擦系数对振子模态频率的影响.实验表明,考虑螺栓连接非线性因素的有限元分析方法对电机各阶工作模态频率的计算误差分别只有0.05％、0.47％、0.64％,有着很好的计算精度,该结果说明考虑螺栓联接非线性的有限元模型更有利于电机性能的设计和预估.
Abstract:
The computation accuracy was often insufficient in the rod-type ultrasonic motor design because of the adopted continuous composite structure finite element model.In this paper,a method for modeling the rodtype ultrasonic motor vibrator based on bolt pretension was presented and the influence of bolt pretension and contact surface friction coefficients on modal frequency was analyzed.Experiments showed that,the deviation of motor working mode frequency is 0.05％,0.47％,0.64％ respectively through this finite element analysis method with consideration of bolted-joint nonlinear factors.Consequently,the calculation accuracy was good.It was shown that the finite element model based on bolted-joint nonlinear system was more conducive to motor performance design and estimation.

相似文献/References:

[1]陶征,刘本学..行波型超声电机与纵扭型超声电机的比较[J].郑州大学学报(工学版),2009,30(03):60.
　TAO Zheng,LIU Benxue.Comparison of Traveling Wave Ultrasonic Motor and Longitudinal Torsion Ultrasonic Motor[J].Journal of Zhengzhou University (Engineering Science),2009,30(01):60.

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