Analysis on Impact vibration of Rotary inertia piezoelectric motor

XING Ji-chun XU Li-zhong

Journal of Vibration and Shock ›› 2012, Vol. 31 ›› Issue (17) : 195-200.

PDF(1621 KB)
PDF(1621 KB)
Journal of Vibration and Shock ›› 2012, Vol. 31 ›› Issue (17) : 195-200.
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Analysis on Impact vibration of Rotary inertia piezoelectric motor

  • XING Ji-chun XU Li-zhong
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Abstract

The new rotary piezoelectricity inertia motor,that utilizes the piezoelectric bimorphs as the drive components and electrical signal with the saw-tooth wave to produce the inertia impulse. This paper studies the piezoelectric inertial motor vibrator impact forced response inspired by the pzt components. Deduced the voltage response equation of piezoelectric element ends and the piezoelectric vibrator-beam impact forced response equation. Analyzed the excitation signal frequency to the end of vibrator-beam influence under work modle. Meanwhile, Analyzed the end of vibrator-beam response law under different duty cycles of excitation signal, as well as the impact of structural parameters to the motor. Analyzed the effective way of Improving motor drive torque.

Key words

Piezoelectric vibrator / Inertial impact / Saw-tooth wave / Acceleration response

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XING Ji-chun XU Li-zhong . Analysis on Impact vibration of Rotary inertia piezoelectric motor[J]. Journal of Vibration and Shock, 2012, 31(17): 195-200
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