INVESTIGATION OF THE CONTACT ZONE OF ULTRASONIC MOTORS AT DIFFERENT MODES OF EXCITER VIBRATIONS

机译：振动激励不同模式下超声电机的接触区研究

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A polarization vector of the piezoceramic element and location of excitation electrodes on its surface determine the resonance modes of the high frequency vibration exciter. In its turn the modes of vibration play a key role in the functionality of ultrasonic motor. Two different regimes of operation are analyzed - when the contact zone of the resonator performs elliptic and unidirectional motions. Though the mechanical characteristics of the ultrasonic motor in both cases are comparable, detailed analysis of the contact surface shows very different wears. Computational simulation and experimental investigations are used to analyze the contact zone of ultrasonic motor. Laser holography is used to identify and control the regimes of motion. Atomic force microscopy is used for analysis of contact surfaces.

机译：压电陶瓷元件的极化矢量和激励电极在其表面上的位置决定了高频振动激励器的谐振模式。反过来，振动模式在超声波马达的功能中起着关键作用。分析了两种不同的工作方式-当谐振器的接触区执行椭圆和单向运动时。尽管在两种情况下超声马达的机械特性是可比的，但对接触面的详细分析显示出非常不同的磨损。通过计算仿真和实验研究来分析超声电机的接触区域。激光全息术用于识别和控制运动状态。原子力显微镜用于分析接触表面。

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来源
《American Society of Mechanical Engineers(ASME)/Society of Tribologists and Lubrication Engineers(STLE) International Joint Tribology Conference 2004(IJTC 2004) vol.1 pt.A; 20041024-27; Long Beach,CA(US)》|2004年|P.47-50|共4页
会议地点 Long BeachCA(US)
作者
V. Ostasevicius; A. Palevicius; M. Ragulskis; A. Daugela; G. Janusas;
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作者单位

Kaunas University of Technology, Lithuania;

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原文格式 PDF
正文语种 eng
中图分类机械摩擦、磨损与润滑;
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INVESTIGATION OF THE CONTACT ZONE OF ULTRASONIC MOTORS AT DIFFERENT MODES OF EXCITER VIBRATIONS

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