A Linear Ultrasonic Motor Using Longitudinal Vibration
Bin Chen, Zhen-gang Lai, Jiayin Li, Yin Wang
Abstract
Bin Chen, Zhen-gang Lai, Jiayin Li, Yin Wang
Abstract
This study presents a linear ultrasonic motor. The structure is symmetrical and two groups of piezoelectric ceramics (PZT-8) are arranged along an axis. This way can make the motor structure compact. Operation principle of this motor is analyzed. Make and test a prototype to verify the feasibility of the principle. The experimental results show that the maximum no-load speed of the motor is 1289mm/s under the excitation of electrical signal with frequency of 29.96 kHz and voltage of 300VP-P.
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This study presents a linear ultrasonic motor. The structure is symmetrical and two groups of piezoelectric ceramics (PZT-8) are arranged along an axis. This way can make the motor structure compact. Operation principle of this motor is analyzed. Make and test a prototype to verify the feasibility of the principle. The experimental results show that the maximum no-load speed of the motor is 1289mm/s under the excitation of electrical signal with frequency of 29.96 kHz and voltage of 300VP-P.
Key concepts: Ultrasonic motor, Piezoelectric motor, Vibration, Voltage, Linear motor, Piezoelectricity, Acoustics, Ultrasonic sensor