一种新型超声直线驱动器

[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics Pub Date : 1990-06-06 DOI:10.1109/ISAF.1990.200226

K. Ohnishi

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引用次数: 3

摘要

介绍了一种由非线性连杆激发的纵向振动和弯曲振动组合波驱动的超声直线执行器。在作动器处采用多层压电作动器，以铝棒为弹性体。膨胀-收缩和弯曲的相位差随工作频率的变化而变化，从而产生左右运动。该驱动器具有响应性好、可控性好、体积小、驱动力高的特点。考虑了其在精密定位中的应用。现报告试验结果。

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A novel ultrasonic linear actuator

An ultrasonic linear actuator operated by a combined wave of longitudinal vibration and flexural vibration excited by nonlinearly connected bars is described. A multilayered piezoelectric actuator was used at the actuator, and aluminum bars as the elastic body. The phase difference of expansion-contraction and bending varies with the operation frequency applied resulting in generation of the right-left movement. The new actuator showed excellent response and controllability with a small size and a high driving force. Its application to precise positioning was considered. The result of this trial is reported.<>

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[Proceedings] 1990 IEEE 7th International Symposium on Applications of Ferroelectrics

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