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Smart Force Sensing in Robot Surgery Utilising the Back Electromotive Force [PDF]

open access: yesSensors
Since the introduction of robot-assisted laparoscopic surgery, efforts have been made to incorporate force sensing technologies to monitor critical components and to provide force feedback. The advanced laparoscopic robotic system (AdLap RS) is a robotic
Storm Chabot   +6 more
doaj   +4 more sources

Commutation Torque Ripple Suppression Strategy of Brushless DC Motor Considering Back Electromotive Force Variation [PDF]

open access: yesEnergies, 2019
This paper presents a commutation torque ripple suppression strategy for brushless DC motor (BLDCM) in the high-speed region, which considers the back electromotive force (back-EMF) variation during the commutation process. In the paper, the influence of
Xinmin Li   +5 more
doaj   +4 more sources

Innovative Actuator Fault Identification Based on Back Electromotive Force Reconstruction [PDF]

open access: yesActuators, 2020
The ever increasing adoption of electrical power as secondary form of on-board power is leading to an increase in the usage of electromechanical actuators (EMAs).
Gaetano Quattrocchi   +3 more
doaj   +2 more sources

Right Harmonic Spectrum for the back-electromotive force of a n-phase synchronous motor [PDF]

open access: yesConference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting., 2015
This paper deals with a vector control of n-phase permanent magnet synchronous machine. To use control algorithms already developed for sine-wave 3-phase machines, the spectrum of back electromotive force (EMF) must contain only odd 2k+1 harmonics which ...
BOUSCAYROL, Alain   +2 more
core   +6 more sources

Analysis on the Air-Gap Magnetic Field and Force of the Linear Synchronous Motor with Different Winding Distribution [PDF]

open access: yesMicromachines
Based on the long-stator permanent magnet linear synchronous motor (PMLSM), motor structures with different pole–slot ratios are designed by changing the distribution of armature windings.
Jing Bai, Lei Zhang, Yu Xu
doaj   +2 more sources

Online Estimation and Compensation of Back-Electromotive Forces for Synchronous Reluctance Machine [PDF]

open access: yesIECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, 2021
The synchronous reluctance machine is a promising technology in the electrical machine market. They are now considered in various applications such as transportation or industries. Despite the lack of magnet in such machines, a small residual flux may remains in the ferromagnetic material.
Schuller, Laurent   +3 more
openaire   +2 more sources

A Study on The Electromagnetic Multi-Step Transmission Characteristics of Interior Permanent Magnet Synchronous Motors

open access: yesEnergies, 2022
In this paper, electromagnetic multi-step transmissions are introduced as a method for increasing the torque and efficiency of electric vehicle driving motors.
Chung-Hui Lee   +3 more
doaj   +1 more source

Research on sensorless control of HSPMSM based on a discrete full-order sliding mode observer

open access: yesEnergy Reports, 2023
To address the inaccuracy of the observed rotor position caused by the large estimated back-electromotive force harmonics of the high-speed permanent magnet synchronous motor (HSPMSM) under the conventional sliding mode observer, this paper presents an ...
Shengwen Fan   +3 more
doaj   +1 more source

Analysis of Optimal Rotors Skew to Improve the Total Harmonic Distortion of Back Electromotive Force in MG-PMSM for Traction

open access: yesIEEE Access, 2023
This paper presents optimal rotor permanent magnet (PM) and rotor pole-piece skew to improve the total harmonic distortion (THD) of the back electromotive force (Back-EMF) in magnetic geared permanent magnet synchronous motor (MG-PMSM) for traction.
Ik-Hyun Jo   +6 more
doaj   +1 more source

Irreversible Demagnetization Improvement Process of Hybrid Traction Motors with Dy-Free Magnets

open access: yesMachines, 2022
Permanent magnet synchronous motors (PMSMs), with their high power density, high efficiency, and thermal stability, are widely used nowadays. PMSM magnets are composed of rare earth elements.
Si-Woo Song   +4 more
doaj   +1 more source

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