| 基于消除线性滑动的杆状超声电机研究 |
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| 引用本文： | 董迎晖,唐茜,翟华,赵韩. 基于消除线性滑动的杆状超声电机研究[J]. 中国机械工程, 2013, 24(24): 3309-3313 |
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| 作者姓名： | 董迎晖 唐茜 翟华 赵韩 |
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| 作者单位： | 合肥工业大学,合肥,230009 |
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| 基金项目： | 安徽省自然科学基金资助项目(090414161) |
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| 摘 要： | 研究了外圆面质点线性滑动及振幅分布对提高杆状弯曲振动超声电机驱动效率的影响。系统分析了质点的有效椭圆运动及线性滑动的特点，得出杆状弯曲振动超声电机定子的外圆面中点无线性滑动的结论；采用有限元分析方法分析定子表面质点有效椭圆运动振幅分布与其几何参数之间的关系，并据此对定子进行了参数优化,使定子振幅相对集中在中点位置,以提高电机效率。研究结果为采用中点驱动模式电机的设计提供了理论依据。
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| 关 键 词： | 超声电机 弯曲振动模态 有效椭圆运动 线性滑动 |
Development of a New Type Cylindrical Ultrasonic Motor Based on Elimination of Linear Slipping |
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| Dong Yinghui,Tang Qian,Zhai Hua,Zhao Han. Development of a New Type Cylindrical Ultrasonic Motor Based on Elimination of Linear Slipping[J]. China Mechanical Engineering, 2013, 24(24): 3309-3313 |
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| Authors: | Dong Yinghui Tang Qian Zhai Hua Zhao Han |
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| Affiliation: | Hefei University of Technology,Hefei,230009 |
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| Abstract: | The impact of improving the output efficiency of a cylindrical ultrasonic motor due to linear slipping and the distribution of the vibration amplitude of the particles on the stator was studied, the change of the effective elliptical motion and linear slipping was analyzed systematically, a conclusion of no linear slipping on the midpoint of the outer surface of the stator was obtained. The relationship among some parameters concerning geometry of the stator and the amplitude of the effective elliptic motion were analyzed by using finite element method. Under the results of analysis, the parameter amplitudes of the midpoint on stator were optimized. Further more, the endpoint was restrained and the output efficiency of the motor was enhanced. It provides theoretic guideline to the design of USM using midpoint as driving point. |
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| Keywords: | ultrasonic motor(USM) bending vibration effective elliptic motion linear slipping |
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