A piezoelectric micromotor using in-plane shearing of PZT elements

Friend, J, Nakamura, K and Ueha, S 2004, 'A piezoelectric micromotor using in-plane shearing of PZT elements', IEEE - ASME Transactions on Mechatronics, vol. 9, no. 3, pp. 467-473.


Document type: Journal Article
Collection: Journal Articles

Title A piezoelectric micromotor using in-plane shearing of PZT elements
Author(s) Friend, J
Nakamura, K
Ueha, S
Year 2004
Journal name IEEE - ASME Transactions on Mechatronics
Volume number 9
Issue number 3
Start page 467
End page 473
Total pages 7
Publisher IEEE
Abstract A torsional micromotor, 3 x 4 x 8.5 mm, was developed using planar bulk lead zirconium titantate placed upon a small rectangular prism made from phosphor bronze, with a tapered conical horn and a machined interior. By using a new measurement technique, the torque and efficiency versus speed were measured at several combinations of applied voltage and preload. At 87.1-mN preload, up to 0.1-N(.)mm torque and 425 r/min in both directions were obtained by driving the system at resonance, 186.3 kHz for counter-clockwise rotation, and 240.6 kHz for clockwise rotation, while the overall efficiency peaked at slightly above 40%
Subject Acoustics and Acoustical Devices; Waves
Keyword(s) Micromotor design
motor design
piezoelectric motor
torsion
ultrasonic actuator
DOI - identifier 10.1109/TMECH.2004.834652
Copyright notice © 2004 IEEE
ISSN 1083-4435
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Citation counts: TR Web of Science Citation Count  Cited 22 times in Thomson Reuters Web of Science Article | Citations
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