Results 11 to 20 of about 74,223 (298)
Design of a Magnetically Anchored Laparoscope Using Miniature Ultrasonic Motors
Micromachines, 2022 Images taken by an endoscope in single-port-access surgery are the most important information for directing surgeons to operate, so acquiring images taken at better position and a more desired perspective has profound significance for improving the ...
Jingwu Li +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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Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer, 2021 Hama burung pipit merupakan musuh petani dan sulit dikendalikan populasinya. Selama ini pengusirannya menggunakan cara mekanis dengan peralatan tertentu dan tenaga manusia.
Ali Khumaidi, Nur Hikmah
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Development of a 3-DOF Cylindrical Ultrasonic Motor Based on Non-Standard Modes
Applied Sciences, 2023 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.
Jingwen Leng +3 more
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AIP Advances, 2020 In order to improve the output performance of the rotating traveling wave ultrasonic motor and study the optimal pre-pressures under different loads, the theoretical calculation and experimental verification on a TRUM-70H ultrasonic motor were carried ...
Hongxing Wang +3 more
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Design and experimental study of electromagnetic clutch-type variable pre-pressure ultrasonic motor
AIP Advances, 2023 The traveling-wave rotary ultrasonic motor (TRUM) technique has become increasingly mature deepening of related research and development of related technology. The unique friction drive mode of a TRUM provides the advantages of a low speed, large torque,
Ruikun Niu +4 more
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Dahl Friction Model for Driving Characteristics of V-Shape Linear Ultrasonic Motors
Micromachines, 2022 The contact process of stator and slider described by the Coulomb friction model is basically in a pure sliding friction state, and a mechanical model based on the Dahl friction theory was proposed to describe the contact process between stator and ...
Bo Zhang +5 more
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Translational outcomes in a full gene deletion of ubiquitin protein ligase E3A rat model of Angelman syndrome. [PDF]
, 2020 Angelman syndrome (AS) is a rare neurodevelopmental disorder characterized by developmental delay, impaired communication, motor deficits and ataxia, intellectual disabilities, microcephaly, and seizures. The genetic cause of AS is the loss of expression
Adhikari, A +27 more
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A Wire-Driven Series Elastic Mechanism Based on Ultrasonic Motor for Walking Assistive System
Chinese Journal of Mechanical Engineering, 2023 In order to improve the elderly people’s quality of life, supporting their walking behaviors is a promising technology. Therefore, based on one ultrasonic motor, a wire-driven series elastic mechanism for walking assistive system is proposed and ...
Weihao Ren +3 more
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An Ultrasonic Sensor for Distance Measurement in Automotive Applications [PDF]
, 2001 This paper describes an ultrasonic sensor that is able to measure the distance from the ground of selected points of a motor vehicle. The sensor is based on the measurement of the time of flight of an ultrasonic pulse, which is reflected by the ground. A
Carullo, Alessio, Parvis, Marco
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