基于剪切振动模式的新型直线微型超声电机的分析与实验

2011 Symposium on Piezoelectricity, Acoustic Waves and Device Applications (SPAWDA) Pub Date : 2011-12-01 DOI:10.1109/SPAWDA.2011.6167181

Hai-peng Chen, Chao Chen, M. Guo

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引用次数: 0

摘要

提出了一种基于剪切应力模式(d15逆压电效应)驱动的新型直线微型超声电机。首先分析了压电定子的剪切振动模式。讨论了在剪切振动模式下定子驱动点的椭圆轨迹。然后对压电定子进行了动力学分析，给出了所提出的直线微型超声电机的完整结构设计。最后制作了样机，并进行了压电定子模态试验。实验结果表明，计算得到的振型能够被成功地激发。

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Analysis and experiment of a novel linear micro ultrasonic motor based on shear vibration mode

A novel linear micro ultrasonic motor, which is actuated based on shear stress mode (d15 converse piezoelectric effect), is presented. Firstly shear vibration mode of piezoelectric stator is analyzed. The elliptical trajectory of driving point on the stator induced by shear vibration modes is discussed. Then the dynamical analysis of piezoelectric stator is carried out, and the complete structure design for the proposed linear micro ultrasonic motor ultrasonic motor is given. Finally the prototype is manufactured, and the mode experiment of piezoelectric stator is conducted. The experimental results show that the calculated vibration modes can be excited successfully.

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2011 Symposium on Piezoelectricity, Acoustic Waves and Device Applications (SPAWDA)

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