IEEE Trans Ultrason Ferroelectr Freq Control. 2009 Nov;56(11):2587-91. doi: 10.1109/TUFFC.2009.1347.
We develop a 1-D mechanics model for coupled extensional and torsional vibrations of a circular cylindrical ceramic tube piezoelectric transducer with helical electrodes. A theoretical analysis of the electrically forced vibration of the tube is performed. Basic vibration characteristics of resonant frequencies, modes, and admittance are calculated and examined. The optimal orientation of the electrodes for exciting torsional modes is determined.
我们为具有螺旋电极的圆圆柱形陶瓷管压电换能器的拉伸和扭转耦合振动开发了一个一维力学模型。对管的电迫振动进行了理论分析。计算并检验了谐振频率、模态和导纳的基本振动特性。确定了激励扭转模态的最佳电极方向。
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