construction of ultrasonic motor
A review on piezoelectric ultrasonic motors for the past …
Hundreds of piezoelectric ultrasonic motors (PUSMs) have been proposed for scientific researches and developed for commercial applications in the past decade. They are surveyed and mainly classified into three types: standing wave motor (SWM), traveling wave motor (TWM) and hybrid modes motor (HMM), according to their …
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Piezoelectric Motors
Sensors and actuators. Peng Zhang, in Advanced Industrial Control Technology, 2010 (2) Piezoelectric motors Piezoelectric motors use a piezoelectric, ceramic element to produce ultrasonic vibrations of an appropriate type in a stator structure. The elliptical movements of the stator are converted into the movement of a slider which is pressed …
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An Introduction to Ultrasonic Motors
The experimental design, construction, and operational characteristics of a new type of standing wave piezoelectric ultrasonic micro-motor, developed from the …
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Ultrasonic Motor
An ultrasonic motor is a type of electric motor produced from the ultrasonic vibration of a module; the stator will be placed against the rotor depending on the scheme of operation. ... Construction Blogs. Categories . Placements Events Semister Exams Informative Civil Engineering Construction Industry Wireless Infrastructure …
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Ultrasonic Motor: A Comprehensive Overview with PDF
Ultrasonic Motor Working and Construction – An in-depth look at the intricate inner workings and assembly of an ultrasonic motor. When an ultrasonic electrical signal is applied to the piezoelectric element, it generates ultrasonic vibrations at a frequency above the audible range (typically in the tens of kilohertz to megahertz …
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A Trial Construction of an Ultrasonic Motor with Fluid …
A fluid coupling type ultrasonic motor, which employs fluid between the rotor and the stator, is proposed and constructed for trial. This ultrasonic motor does not use frictional force and is free from the difficulties of contact, such as …
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1-3-6. Ultrasonic Motor
Ultrasonic motor (USM) is an actuator that converts characteristic vibration (resonance) of several μm in amplitude generated in the metallic elastic body (transducer, stator) into rotation or translational movement of motive elements (rotor, slider) with friction. It was invented by Mr. Toshiiku Sashida in 1980.
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Inverse-Design Methodology for Generating Twisted …
the twisted ultrasonic motor and opens up new avenues for tech-nological advancements in OAM-based applications. ... we showcase the successful achievement of stable particle rota-tion in free space through the construction of the twisted ultra-sonic motor. The methodology is specialized to perform a global optimization for the nonlocal …
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Trial Construction and Operation of an Ultrasonic Vibration Driven Motor
As is well known, very little research work has heretofore been conducted for developing a high power electric motor driven by an ultrasonic vibration driving system. This paper describes a principle according to which ultrasonic vibration can be converted to rotary movement in one direction, and proves theoretically that our new and unique ...
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Micromachines | Free Full-Text | A Compact Linear Ultrasonic Motor …
A minimized linear ultrasonic motor was proposed, and two flexural bimorph vibrators were utilized to form its stator. The construction of the linear ultrasonic motor and its operation principle was introduced. Two working modes with the same local deformation distribution were chosen on the basis of Finite Element Analysis (FEA). To …
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A brief review on the recent evolution in piezoelectric linear
The Ultrasonic Motor is a type of device that utilizes elastic vibrations of microscopic amplitudes and transforms them into translational or rotational movements and displacements of macroscopic dimension in a slider or rotor, respectively as needed by the application requirement [].The frequencies of these micro-range vibrations are in the …
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A review of recent advances in the single- and multi-degree …
Modern fabrication methods such as additive ultrasonic manufacturing from metal foils can aid with the simpler motor assembly, increase the repeatability and …
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Ultrasonic Motor
Advantages of ultrasonic motor over electromagnetic motor: 1. Little influence by magnetic field: ... Such devices require care in construction to meet the necessary precision to make use of these motions within the stator. More generally, there are two types of motors, contact and non-contact, the latter of which is rare and …
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Trial Construction of a Noncontact Ultrasonic Motor with …
We propose a new ultrasonic motor, in which the rotor is levitated and driven to rotate at very high speed by the ultrasonic field radiated from the stator into the air gap between the rotor and the stator. The noncontact bearing-less structure of this motor makes it possible to exceed the revolution speed limit of conventional contact …
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(PDF) Ultrasonic Motors
Ultrasonic motors are expected to be used as microactuators because of their high torque, low speed and simple construction. We have already reported cylindrical-shaped micro ultrasonic motors ...
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Construction of the motor. | Download Scientific Diagram
The construction of the linear ultrasonic motor and its operation principle was introduced. Two working modes with the same local deformation distribution were chosen on the basis of Finite ...
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Ultrasonic Motors: Technologies and Applications …
"Ultrasonic Motors: Technologies and Applications" describes the operating mechanism, electromechanical coupling models, optimization …
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Design of Linear Ultrasonic Micro Piezo Motor for …
ultrasonic motors. All the simulations, calculations and the optimization of ultrasonic motors were done with the help of ANSYS FEM software. Fig. 6 shows an FEM simulation of the stator of a 9 mm motor. Fig. 6: FEM simulation of the stator of the newly developed ultrasonic piezo motor Fig: 7 shows the magnitude of the vector sum of the
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Thin-disc piezoceramic ultrasonic motor. Part II: system construction …
Design and performance evaluation of an ultrasonic motor was discussed in [Wen et al., Thin-disc piezoelectric ultrasonic motor. Part I: design and performance evaluation, Ultrasonics]. Higher precision position control of piezoceramic ultrasonic motor depends on mechanical design and servo control of a very precise and adequate …
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Ultrasonic Motors: Technologies and Applications
A comprehensive tutorial on ultrasonic motors for practicing engineers, researchers and graduate students. "Ultrasonic Motors: Technologies and Applications" describes the operating mechanism, electromechanical coupling models, optimization design of structural parameters, testing methods, and drive/control techniques of various ultrasonic motors …
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Applications of Ultrasonic Motors in Engineering
I Okumura. A designing method of a bar-type ultrasonic motor for auto focus lense. The International Symposium on Theory of Machines and Mechanics. Nagoya, Japan, 1992: 836–841. Google Scholar T Maeno. Recent progress of ultrasonic motors in Japan. The 1st International Workshop on Ultrasonic Motors and Actuators. Yokohama, Japan, …
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An Introduction to Ultrasonic Motors
The ultrasonic motor, invented in 1980, utilizes the piezoelectric effect in the ultrasonic frequency range to provide the motive force. (In conventional electric motors the motive force is ...
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A review of recent advances in the single- and multi-degree …
An ultrasonic motor is a drive system that uses a mechanical vibration in the ultrasonic wave range as its driving source. The principle of operation of these systems is based on the activity of a resonant mode of a mechanical structure to generate a kinematic interface and to transform micro travel movements into motion of large amplitude ...
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A novel high thrust–weight ratio linear ultrasonic motor …
This paper presents an ultrasonic motor with a high thrust–weight ratio. The miniaturized motor is 13 mm × 5 mm × 3.8 mm in size and uses the first-order bending vibration mode (B1 mode) and second-order bending vibration mode (B2 mode) to realize bidirectional movement through a single-phase driving signal.
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ULTRASONIC MOTOR | PPT
46. 46REFERENCES [1] Shi Jingzhuo,You Dongmei."Characteristic model of travelling wave ultrasonic motor". School of Electrical Engineering, Henan University of Science and Technology, Luoyang 471023, China. 0041-621X-(2013) [2] Yingxiang Liu, Weishan Chen, Junkao Liu, Shengjun Shi."A cylindrical standing wave ultrasonic …
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Lecture 5: Ultrasonic Motors—Mimicking the Movements of …
Ultrasonic motors, which use mechanical frictions, have a short durability if operated consecutively. This is why ultrasonic motors are used for non-consecutive …
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Review on single-phase driven ultrasonic motors
In recent decades, various single-phase drive ultrasonic motors have emerged, and only a single excitation signal is used in their working states. ... Sashida T (1982) Trial construction and operartion of an ultrasonic vibration driven motor. Oyo Butsuri 51(6): 713. Google Scholar. Sashida T, Kenjo T (1993) Introduction to …
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Design and Performance Evaluation of a Single-Phase Driven Ultrasonic
An ultrasonic motor as a kind of smart material drive actuator has potential in robots, aerocraft, medical operations, etc. The size of the ultrasonic motor and complex circuit limits the further application of ultrasonic motors. In this paper, a single-phase driven ultrasonic motor using Bending-Bending vibrations is proposed, which has …
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Construction of Megatorque Hybrid Transducer Type Ultrasonic Motor
A large hybrid transducer type ultrasonic motor has been studied for the purpose of achieving large output torque. The goal of our research is to realize a megatorque (i.e., 1000 kgf.cm) ultrasonic motor. The key to accomplishing this goal lies in obtaining sufficient longitudinal vibration in order to control the frictional force between …
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Development of a 3-DOF Cylindrical Ultrasonic Motor …
Cylindrical multi-degree-of-freedom (multi-DOF) ultrasonic motors have the potential to significantly reduce motor size compared to other ultrasonic motors. They find applications in various systems, including micro-robot joints and space probes. This paper proposes a 3-DOF cylindrical ultrasonic motor with hybrid vibration modes. Hybrid …
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