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首页> 外文期刊>Ultrasonics, Ferroelectrics and Frequency Control, IEEE Transactions on >Vibration characteristics of besocke-style scanning systems
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Vibration characteristics of besocke-style scanning systems

机译：贝索式扫描系统的振动特性

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摘要

A vibration model of Besocke-style scanners is given based on Timoshenko beam theory. The model is applied to investigate the flexural vibration characteristics of piezotubes in the scanners, in which the effects of affiliated components of the piezo-tubes are considered. The calculated results show that several factors in addition to the piezo-tubes themselves influence the flexural vibration frequencies of the scanners. An example is the balls which support the piezo-tubes. These play important roles in influencing the flexural vibration characteristics of the scanners and can result in high-flexural resonance frequencies. The local resonance of the scanner disk can also influence the flexural vibration characteristics of the piezo-tubes. Finally, we show that the effects of the local resonance on the vibration characteristics of the scanners can be decreased or eliminated by improving the rigidity of connection between the scanner disk and the piezo-tube.
机译：基于蒂莫申科束理论，给出了Besocke型扫描仪的振动模型。该模型用于研究扫描器中压电管的弯曲振动特性，其中考虑了压电管的相关组件的影响。计算结果表明，除了压电管本身以外，还有几个因素会影响扫描仪的弯曲振动频率。一个例子是支撑压电管的球。这些在影响扫描仪的弯曲振动特性方面起着重要作用，并可能导致高弯曲共振频率。扫描器盘的局部共振也会影响压电管的弯曲振动特性。最后，我们表明，可以通过提高扫描仪磁盘和压电管之间的连接刚度来减少或消除局部共振对扫描仪振动特性的影响。

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