介绍了两个压电振子所构成的两腔串联和两腔并联压电泵的结构及工作原理，分析了两个压电振子驱动方式(同步工作和交叉工作)对两种结构压电泵输出性能的影响规律。
The structure and working principle of the pumps consisted of two PZT actuators were introduced, and the output performance of the pumps with different structure and driving strategy was analyzed.
扬声器的驱动元件是边缘固定的圆形PZT 双型弯曲振子，振动——辐射元件是圆锥形纸盆，这两部分之间采用弹性耦合。
The driving system of the speaker is constructed by a circular PZT bimorph, which is clamped on its boundary, An elastical coupling element is utilized between the bimorph and the speaker cone.
采用双压电晶片振子为移动机构的驱动源，提出可以实现二维平面移动的新型压电驱动机构。
A new type of the PZT driving device to realize the planar movement by using the bimorph oscillator as the driver was presented.
基于压电驱动的原理，本文对高频低幅的振动给料技术进行了探索，研制出一种具有长环形输送振子的行波型超声物料输送装置的模型样机。
Based on the principle of piezoelectric drive, we make an explorative study of a novel feeding device with vibration of high frequency and low amplitude.
提出了一种矩形振子面内弯曲模态直线超声电机，分析了振子面内弯曲模态的激发原理及电机的驱动机理。
A linear ultrasonic motor based on the two different in-plane bending modes of rectangular actuator were presented.
设计出十字正交边幅杆构型，为研制单振子多自由度驱动换能器奠定基础。
A cross orthogonal horn was proposed to build foundation for study single vibrator multi-DOF transducer.
设计出十字正交边幅杆构型，为研制单振子多自由度驱动换能器奠定基础。
A cross orthogonal horn was proposed to build foundation for study single vibrator multi-DOF transducer.
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