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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Simulation Analysis of a Sandwich Cantilever Ultrasonic Motor for a Dexterous Prosthetic Hand
Micromachines, 2023 Currently, the driving motor used in a dexterous prosthetic hand is limited by the driving principle, and it has the characteristics of a complex structure, slow response, low positioning accuracy, and excessive volume.
Kai Guo, Jingxin Lu, Hongbo Yang
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Actuators, 2022 In this work, a cylindrical lead-free rotary-linear ultrasonic motor was attached to piezoelectric plates of MnO2-doped (Ba0.97Ca0.03)(Ti0.96Sn0.005Hf0.035)O3 ceramics using the first bending vibration to pull a thread output shaft of the interior of a ...
Cheng-Che Tsai +3 more
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Improvement of Low-Speed Precision Control of a Butterfly-Shaped Linear Ultrasonic Motor
IEEE Access, 2020 The control performance of a butterfly-shaped linear ultrasonic motor is not good when the target speed is less than 1 mm/s by traditional methods.
Yunlai Shi +3 more
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Zonal shear and super-rotation in a magnetized spherical Couette flow experiment [PDF]
, 2011 We present measurements performed in a spherical shell filled with liquid sodium, where a 74 mm-radius inner sphere is rotated while a 210 mm-radius outer sphere is at rest. The inner sphere holds a dipolar magnetic field and acts as a magnetic propeller
D. Brito +20 more
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Discrete Imaging Models for Three-Dimensional Optoacoustic Tomography using Radially Symmetric Expansion Functions [PDF]
, 2014 Optoacoustic tomography (OAT), also known as photoacoustic tomography, is an emerging computed biomedical imaging modality that exploits optical contrast and ultrasonic detection principles.
Er Oraevsky +5 more
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Empowering and assisting natural human mobility: The simbiosis walker [PDF]
, 2011 This paper presents the complete development of the Simbiosis Smart Walker. The device is equipped with a set of sensor subsystems to acquire user-machine interaction forces and the temporal evolution of user's feet during gait.
Frizera A. +8 more
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Forward-Looking Echoic Flow for Guidance of an Unmanned Aerial System [PDF]
, 2020 Echoic flow is a formula derived from natural phenomena that has the potential to control vehicles with great efficiency using range information. Initially studied in bats, echoic flow allows animals to use sonar as a navigation tool.
Steven, James
core
Evaluation of a cheap ultrasonic stage for light source coherence function measurement, optical coherence tomography and dynamic focusing [PDF]
, 2009 We evaluate the performance of a cheap ultrasonic stage in setups related to optical coherence tomography. The stage was used in several configurations: (1) optical delay line in an optical coherence tomography (OCT) setup; (2) as a delay line measuring ...
Andersen, Peter E. +7 more
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Longitudinal Composite-Mode Linear Ultrasonic Motor for Motion Servo System of Probe Station
Actuators, 2020 In order to build a motion system with high resolution, fast response, and long travel range in a probe station, a linear ultrasonic motor was investigated as an alternative to the electromagnetic counterpart in a servo system.
Yin Wang +4 more
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