NDLI: A High-Power Linear Ultrasonic Motor Using Bending Vibration Transducer

Content Provider	IEEE Xplore Digital Library
Author	Yingxiang Liu Weishan Chen Junkao Liu Xiaohui Yang
Copyright Year	1982
Abstract	To overcome the modal degeneration problem that commonly exists in the design of ultrasonic motors (USMs) using composite vibration modes, a high-power linear USM using a bending vibration transducer is proposed in this paper. In this new design, two orthogonal bending vibration modes with the same order are superimposed in the motor and generate elliptical motions at the two driving feet. Square cross-section structure is adopted by the motor to ensure that the two bending modes have the same resonance frequency. After the introduction of the working principle, the motor is analyzed by using finite-element method. A prototype motor is fabricated and measured. Typical output of the prototype is a no-load speed of 1527 mm/s and a maximum thrust force of 50 N at a voltage of 200 V_rms. This study verifies the feasibility of the proposed design and provides a way to improve the output power of USMs.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	5160
Ending Page	5166
Page Count	7
File Size	1426736
File Format	PDF
ISSN	02780046
Volume Number	60
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vibrations Resonant frequency Transducers Shape Prototypes Force Stators vibration characteristic Bending vibration transducer modal degeneration ultrasonic motor (USM)
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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