Results 21 to 30 of about 1,686,677 (196)

Magnetic Loss Analysis in Coaxial Magnetic Gears [PDF]

open access: yesElectronics, 2019
This paper proposes a procedure for computing magnetic losses in coaxial magnetic gears. These magnetic structures are made of permanent magnets and ferromagnetic poles in relative motion transferring torque between two shafts in a contactless way. The loss computation in magnetic materials is crucial to define the system performance.
Filippini M.   +6 more
openaire   +1 more source

Development of an Analytical Model for Determining the Magnetic Flux of Scattering through the Gears of the Stator of a Synchronous Electric Machine with a Fractional Gear Winding

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2022
The article presents a two-dimensional finite element model of the magnetic field of a magnetic system of a synchronous electric machine with fractional gear windings. The specific features of the distribution of magnetic fluxes (main effect, edge effect,
A. V. Menzhinski   +2 more
doaj   +1 more source

A Comparative Study of the Performance Capabilities of Magnetic Gears [PDF]

open access: yes, 2016
This article is a literature review and comparison of the performance capabilities of magnetic gears. The purpose of this paper was to determine the validity of further attempts at implementing magnetic gear technology into large scale applications such ...
Painter, D. S., Ortiz, Jazmyn A.
core   +1 more source

Optimization of Torque Models for Radial Meshing Nutation Magnetic Gears Based on the Genetic Algorithm

open access: yesJixie chuandong, 2023
In the research of nutation magnetic drive, the torque density of gears is an important index to evaluate its performance. Thus, the analysis and optimization of the magnetic torque is particularly important.
Lou Meiyan, Yao Ligang, Guo Chenxian
doaj  

A high‐efficiency magnetic‐geared double‐rotor machine with the coreless stator for hybrid aircraft propulsion

open access: yesIET Electric Power Applications, 2023
Magnetic‐geared double‐rotor machines are recognized as a promising power‐splitting component in hybrid electric aircrafts (HEAs). However, the high fuel efficiency speed of the turbine engine in HEAs is about 10,000 rpm, whereas conventional topologies ...
Jiewen Lang   +4 more
doaj   +1 more source

Cost-effectiveness comparison of coaxial magnetic gears with different magnet materials [PDF]

open access: yes, 2013
This paper presents a comparative study between the nonrare-earth PM and rare-earth PM-based coaxial magnetic gears. First, using finite-element analysis, the electromagnetic performances of four coaxial magnetic gears, which are installed with nonrare ...
Chen, M, Chau, KT, Li, W, Liu, C, Li, WL
core   +1 more source

Design of a cost-effective magnetic gearbox for an aerospace application

open access: yesThe Journal of Engineering, 2019
Magnetic gears are designed to perform in a highly reliable manner, and offer several advantages compared to mechanical gears but difficulties with manufacturing techniques and cost are strong handicaps. In contrast to conventional gears, the contact and
Maamar Benarous, Marlene Trezieres
doaj   +1 more source

Servo Control of Magnetic Gears

open access: yesIEEE/ASME Transactions on Mechatronics, 2012
This paper considers the analysis and application of magnetic gearbox and magnetic coupling technologies and issues surrounding their use in high performance servo control systems. An analysis of a prototype magnetic coupling is used as a basis for demonstrating the underlying nonlinear torque transfer characteristics, nonlinear damping, and “pole ...
R. Montague, Chris Bingham, K. Atallah
openaire   +2 more sources

Train of Single Molecule-Gears

open access: yes, 2019
Two molecule-gears, 1.2 nm in diameter with six teeth, are mounted each on a single copper adatom separated exactly by 1.9 nm on a lead surface using a low-temperature scanning tunneling microscope (LT-STM).
Christian Joachim (1544887)   +2 more
core   +3 more sources

Overview of Energy-Efficient Magnetic Gears in Electric and Hybrid Vehicles

open access: yesEnergies
Magnetic gears offer an energy-efficient alternative to conventional mechanical gears through magnetic fields rather than physical contact. A non-contact operation eliminates frictional losses, mitigates wear, and reduces vibration, noise and maintenance
Aten M. H. Chau   +3 more
doaj   +1 more source

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