Journal ArticleDOI
Characteristics of the First Longitudinal-Fourth Bending Mode Linear Ultrasonic Motors
TLDR
In this paper, a linear ultrasonic motors using a combination of the first longitudinal mode and the fourth bending mode were designed and fabricated, which were composed of a straight metal bar bonded with piezoelectric ceramic vibrators as a driving element.Abstract:
Linear ultrasonic motors using a combination of the first longitudinal mode and the fourth bending mode were designed and fabricated. The driving characteristics of the motors, which were composed of a straight metal bar bonded with piezoelectric ceramic vibrators as a driving element, were measured. Unimorph and bimorph ceramic vibrators were attached on three kinds of metal bars for constructing the stators of the linear motors. As results, motors made with the bimorph ceramic vibrators had higher velocity than motors of the unimorph vibrators. As a metal bar for stator, magnesium alloy, which has lower elastic coefficient than aluminum alloy, was better for the motors.read more
Citations
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Journal ArticleDOI
Guide to the Literature of Piezoelectricity and Pyroelectricity. 23
TL;DR: In this article, a bibliography is given containing 2067 references published during 2002 and 2003 on piezoelectric and pyroelectric properties of materials and their applications, which contains listings of journal articles with complete bibliographic citations.
Journal ArticleDOI
Optimization and Analysis of a U-Shaped Linear Piezoelectric Ultrasonic Motor Using Longitudinal Transducers.
TL;DR: The proposed U-shaped piezoelectric ultrasonic motor showed great potential for linear driving of large thrust force and high power density.
Journal ArticleDOI
Characteristics of a V-type ultrasonic rotary motor
TL;DR: In this paper, a V-type ultrasonic rotary motor has been proposed to enable use in small precision machines, where a thin metal plate was used as a Vshaped vibrator and four ceramic plates were attached on the upper and bottom sides of the metal plate.
Journal ArticleDOI
Motional characteristics of ultrasonic motor using Λ (lambda)-shaped stator
TL;DR: In this article, a thin metal plate was used as a Λ(lambda)-shaped stator and four ceramic plate were attached on upper and bottom surface of the metal plate.
Journal ArticleDOI
A novel high thrust-weight ratio linear ultrasonic motor driven by single-phase signal.
TL;DR: This paper presents an ultrasonic motor with a high thrust-weight ratio that uses the first-order bending vibration mode (B1 mode) and second- order bending vibration modes (B2 mode) to realize bidirectional movement through a single-phase driving signal.
References
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Book
An Introduction to Ultrasonic Motors
Toshiiku Sashida,Takashi. Kenjo +1 more
TL;DR: The ultrasonic motor, invented in 1980, utilizes the piezoelectric effect in the ultrasonic frequency range to provide the motive force as mentioned in this paper, which has already found applications in camera autofocus mechanisms, medical equipment subject to high magnetic fields, and motorized car accessories.