Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ultras.2012.10.016
Title: Development and numerical characterization of a new standing wave ultrasonic motor operating in the 30-40 kHz frequency range
Authors: Hou, X. 
Lee, H.P. 
Ong, C.J. 
Lim, S.P. 
Keywords: Finite element modeling
Mode superimposition
Piezoelectric actuator
Standing wave ultrasonic motor
Issue Date: Jul-2013
Source: Hou, X., Lee, H.P., Ong, C.J., Lim, S.P. (2013-07). Development and numerical characterization of a new standing wave ultrasonic motor operating in the 30-40 kHz frequency range. Ultrasonics 53 (5) : 928-934. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ultras.2012.10.016
Abstract: The purpose of this research is to present a new design of standing-wave ultrasonic motor. This motor uses three piezoelectric actuating blocks which deform appropriately when powered up. The deformations of the blocks in ultrasonic range are internally amplified via the design of the motor by about 80 times and collectively yield an elliptical trajectory for the driving head of the motor. Finite Element Analysis using ANSYS was performed for both dynamic analysis and optimization of a prototype motor. The numerical results verified that at steady state, the motor can achieve vibrations in micro-meter level and the velocity can reach decimeter scale, satisfying the fast speed requirement as a positioning actuator. © 2013 Elsevier B.V. All rights reserved.
Source Title: Ultrasonics
URI: http://scholarbank.nus.edu.sg/handle/10635/59897
ISSN: 0041624X
DOI: 10.1016/j.ultras.2012.10.016
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