T–S Fuzzy Control of Travelling-Wave Ultrasonic Motor
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Control, Automation and Electrical Systems"
DOI: 10.1007/s40313-019-00538-y
Abstract: The operation of ultrasonic motor is characterized by obvious nonlinearity. Appropriate motor control strategy is an important prerequisite for promoting the wider application of ultrasonic motors. PID controller is widely used in motor motion control… read more here.
Keywords: control; fuzzy controller; motor; fuzzy control ... See more keywords
Secant iterative learning control of ultrasonic motor.
Sign Up to like & getrecommendations! Published in 2020 at "ISA transactions"
DOI: 10.1016/j.isatra.2020.03.023
Abstract: Aiming at the problem that the differential term of Newton iterative learning law is not easy to be determined and affects the control performance, the secant iterative learning law is proposed by using the secant… read more here.
Keywords: control; control ultrasonic; secant iterative; iterative learning ... See more keywords
Real time implementation of H-infinity and RST motion control of rotary traveling wave ultrasonic motor
Sign Up to like & getrecommendations! Published in 2017 at "Mechatronics"
DOI: 10.1016/j.mechatronics.2017.04.003
Abstract: ABSTRACT This paper deals with design, performances comparison and experimental validation of H-infinity (H∞) and discrete time RST position controllers for a Traveling Wave Ultrasonic Motor (TWUM) which is dedicated to robotic applications. The proposed… read more here.
Keywords: wave ultrasonic; time; motor; infinity ... See more keywords
Surface textured polyimide composites for improving conversion efficiency of ultrasonic motor
Sign Up to like & getrecommendations! Published in 2020 at "Tribology International"
DOI: 10.1016/j.triboint.2020.106489
Abstract: Abstract Two ways to enhance conversion efficiency of the ultrasonic motor (USM) were developed. According to mechanical and tribological properties, an advanced polyimide (PI) friction material was fabricated. In comparison to conventional polytetraflfluoroethylene (PTFE) friction… read more here.
Keywords: friction; friction material; efficiency ultrasonic; conversion efficiency ... See more keywords
Experimental and numerical investigation of a self-adapting non-contact ultrasonic motor
Sign Up to like & getrecommendations! Published in 2021 at "Tribology International"
DOI: 10.1016/j.triboint.2020.106624
Abstract: Abstract This paper proposes a novel non-contact ultrasonic motor based on near field acoustic levitation (NFAL), which is composed four flexure pivot-tilting pads with high-frequency driven by piezoelectric actuators (PZTs). The motor adopts a flexible… read more here.
Keywords: self; motor; contact ultrasonic; ultrasonic motor ... See more keywords
A novel modal‐independent ultrasonic motor with dual stator
Sign Up to like & getrecommendations! Published in 2017 at "Ultrasonics"
DOI: 10.1016/j.ultras.2017.01.006
Abstract: HighlightsA new design of ultrasonic motors (USMs) is proposed featured with two stators.The USM relieve the difficulty of adjustment for coincidence of modal frequency.The USM has a characteristic of simple structure and suitable for mass… read more here.
Keywords: novel modal; stator; two stators; modal independent ... See more keywords
Mechanical simulation and contact analysis of the hybrid longitudinal-torsional ultrasonic motor.
Sign Up to like & getrecommendations! Published in 2019 at "Ultrasonics"
DOI: 10.1016/j.ultras.2019.105982
Abstract: A slender type of ultrasonic motor using longitudinal-torsional hybrid vibration is proposed and investigated in this paper. To acquire the response and mechanical capacity of the assembled and complete hybrid longitudinal-torsional ultrasonic motor, a 3D… read more here.
Keywords: longitudinal torsional; motor; torsional ultrasonic; contact ... See more keywords
Modeling and experimental validation of a linear ultrasonic motor considering rough surface contact
Sign Up to like & getrecommendations! Published in 2017 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/aa60fa
Abstract: Linear ultrasonic motor is driven by the interface friction between the stator and the slider. The performance of the motor is significantly affected by the contact state between the stator and slider which depends considerably… read more here.
Keywords: proposed model; linear ultrasonic; model; motor ... See more keywords
A novel bonded-type 3-degree-of-freedom ultrasonic motor: design, simulation, and experimental investigation
Sign Up to like & getrecommendations! Published in 2023 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/acd03c
Abstract: Most of 3-degree-of-freedom (3-DOF) ultrasonic motors generally have the problems of low positioning accuracy, difficulty to apply preload, and excessive longitudinal dimension, leading to the limitation in industrial application. To address these issues, a novel… read more here.
Keywords: ultrasonic motor; novel bonded; degree freedom; motor ... See more keywords
Effect of laser surface texturing on tribological properties of polyimide composites in the application of traveling wave rotary ultrasonic motor
Sign Up to like & getrecommendations! Published in 2018 at "Industrial Lubrication and Tribology"
DOI: 10.1108/ilt-06-2016-0130
Abstract: Purpose The purpose of this paper is to investigate the effect of laser surface texturing on the tribological properties of polyimide composites and the output performance of traveling wave rotary ultrasonic motor. Design/methodology/approach The surface… read more here.
Keywords: surface texturing; wave rotary; polyimide composites; ultrasonic motor ... See more keywords
A Novel Rotary Ultrasonic Motor Using the Longitudinal Vibration Mode
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DOI: 10.1109/access.2019.2941495
Abstract: A novel rotary ultrasonic motor using only the longitudinal vibration mode was proposed in this paper, which avoided the frequency degeneration of multi-modal coupling ultrasonic motors. The structure of the ultrasonic motor was designed; the… read more here.
Keywords: novel rotary; ultrasonic motor; motor; longitudinal vibration ... See more keywords