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A single-element tuning fork piezoelectric linear actuator

机译:单元件音叉压电线性致动器

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摘要

This paper describes the design of a piezoelectric tuning-fork, dual-mode motor. The motor uses a single multilayer piezoelectric element in combination with tuning fork and shearing motion to form an actuator using a single drive signal. Finite-element analysis was used in the design of the motor, and the process is described along with the selection of the device's materials and its performance. Swaging was used to mount the multilayer piezoelectric element within the stator. Prototypes of the 25-mm long bidirectional actuator achieved a maximum linear no-load speed of 16.5 cm/s, a maximum linear force of 1.86 N, and maximum efficiency of 18.9%.
机译:本文介绍了压电音叉双模电动机的设计。电机使用单个多层压电元件,结合音叉和剪切运动,以使用单个驱动信号形成执行器。在电机设计中使用了有限元分析,并描述了该过程以及设备材料和性能的选择。使用型锻将多层压电元件安装在定子内。 25毫米长的双向执行器的原型实现了16.5 cm / s的最大线性空载速度,1.86 N的最大线性力和18.9%的最大效率。

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