NDLI: Study on the vibration coupling of ultrasonic motor using longitudinal transducers

Content Provider	IEEE Xplore Digital Library
Author	Ying-xiang Liu Wei-shan Chen Di Lu Xiao-hui Yang Yu Yao
Copyright Year	2012
Description	Author affiliation: School of Astronautics, Harbin Institute of Technology, 150001, China (Yu Yao) \|\| State Key Laboratory of Robotics and System, Harbin Institute of Technology, 150001, China (Ying-xiang Liu; Wei-shan Chen; Di Lu; Xiao-hui Yang)
Abstract	A linear ultrasonic motor using longitudinal vibration transducers with single foot was proposed, designed, fabricated and tested in a previous study. The longitudinal vibrations of two orthogonal bolt-clamped transducers are superimposed to produce elliptical movements on the driving foot. Firstly, the operating principle of the proposed motor is discussed. The longitudinal and bending vibrations of the transducers are gained by modal analysis. Then, the resonance frequencies and input impendence characteristics of the individual transducers and the motor are calculated respectively to gain the effect from the vibration coupling. The study results state that the vibration coupling between the transducers make their longitudinal resonance frequencies have small increases and the electromechanical coupling factor of the vertical transducer has an obvious decrease after it is linked with the horizontal one. As last, the coupling bending vibrations of the transducers are tested by using a scanning laser Doppler vibrometer.
Starting Page	29
Ending Page	32
File Size	764156
Page Count	4
File Format	PDF
ISBN	9781467348140
DOI	10.1109/SPAWDA.2012.6464028
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vibrations Couplings Input impendence Transducers Ultrasonic motor Longitudinal transducer Shape Resonant frequency Acoustics Vibration coupling Foot
Content Type	Text
Resource Type	Article

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