Results 11 to 20 of about 2,577 (260)
Design of Optoelectronic Tracking Platform Driven by Ultrasonic Motor with a Novel Limiter
Micromachines, 2023 A high-performance servo control system is the basis for realizing high-precision photoelectric tracking. With high position resolution and power-off self-locking, ultrasonic motors have a wide range of applications for high-precision positioning control.
Yongjin Liang, Song Pan, Lei Chen
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Performance Analysis of a Travelling-Wave Ultrasonic Motor under Impact Load
Micromachines, 2020 With the increased application of ultrasonic motors, it is necessary to put forward higher demand for the adaptability to environment. Impact, as a type of extreme environment, is widespread in weapon systems, machinery and aerospace.
Jiahan Huang, Dong Sun
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Efficiency Model for Traveling Wave-Type Ultrasonic Motors Based on Contact Variables and Preload
Actuators, 2021 The contact interface variables are difficult to measure for an ultrasonic motor. When the ultrasonic motor works under different preloads, the error between the traditional efficiency model and the real output is quite large. In order to solve these two
Haoyu Sun +3 more
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Micromachines, 2021 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.
Dongmei Xu +3 more
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IEEE Access, 2020 We propose a miniature rotating mirror system using a micro-ultrasonic motor that employs a 45° angle mirror as its rotor for enlarging the angle of view of cameras.
Tomoaki Mashimo +4 more
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Inverse‐Design Methodology for Generating Twisted Ultrasonic Motor in Free Space
Advanced Intelligent Systems, 2023 A new level of freedom is made possible by orbital angular momentum (OAM), which can be used to create twisted ultrasonic motors for particle manipulation and control.
Chuanxin Zhang +3 more
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Modeling and stability analysis for an ultrasonic motor
Vietnam Journal of Mechanics, 2007 The development of motor models, adequate for motor design and optimization is still behind the technological state of the art. The reason for this lies in the fact that a couple of years ago the main emphasis regarding ultrasonic motors was on finding ...
Stefanie Gutshchmidt +2 more
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Piezoelectric Motors, an Overview
Actuators, 2016 Piezoelectric motors are used in many industrial and commercial applications. Various piezoelectric motors are available in the market. All of the piezoelectric motors use the inverse piezoelectric effect, where microscopically small oscillatory motions ...
Karl Spanner, Burhanettin Koc
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A Closed-Loop Micro-Ultrasonic Motor Control System With Extremum Seeking
IEEE Access, 2023 Microactuators are an essential technology to revolutionize existing micromachines, but making them closed-loop controlled with an internal sensor is a great challenge due to the limited size of the components.
Mohamed M. Khalil +3 more
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Design and Experiments of A New Internal Cone Type Traveling Wave Ultrasonic Motor
Archives of Acoustics, 2023 In order to simplify the motor structure, to reduce the difficulty of rotor pre-pressure application and to obtain better output performance, a new internal cone type rotating traveling wave ultrasonic motor is proposed.
Ye CHEN +3 more
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