Results 31 to 40 of about 18,687 (256)

Analysis and Design Optimization of a Coaxial Surface-Mounted Permanent-Magnet Magnetic Gear

open access: yesEnergies, 2014
This paper presents the analysis and design optimization of a coaxial surface-mounted permanent-magnet magnetic gear. The magnetic field distribution in the coaxial magnetic gear is calculated analytically in the polar coordinate system and then ...
Xiaoxu Zhang   +3 more
doaj   +1 more source

ANALYTICAL CALCULATION OF MAGNETIC FIELD DISTRIBUTION IN COAXIAL MAGNETIC GEARS [PDF]

open access: yesProgress In Electromagnetics Research, 2009
Coaxial magnetic gears are a new breed of magnetic devices, which utilize the interaction of permanent magnet fields to enable torque transmission. Apart from using a numerical approach for their magnetic field analysis, an analytical approach is highly desirable since it can provide an insightful knowledge for design and optimization. In this paper, a
Linni Jian, Kwok-Tong Chau
openaire   +1 more source

Simulation of a tubular linear magnetic gear using HTS bulks for field modulation [PDF]

open access: yes, 2011
paper no. 4LPD-01A tubular linear magnetic gear is proposed, which newly utilizes high temperature superconductor (HTS) bulks for its field modulation.
Chau, KT, Li, J, Li, W
core   +1 more source

Design of coaxial magnetic gear utilising a novel permanent magnet Halbach array structure

open access: yesIET Electric Power Applications, 2021
Mechanical gears are constrained due to wear and tear and call for lubrication. A magnetic gear, utilising permanent magnet (PM) arrays, facilitates the mechanical gear roles. It can withstand high‐speeds and large loads with zero friction.
Hanieh Mafi   +2 more
doaj   +1 more source

Magnetic gearbox for automotive power transmissions: An innovative industrial technology

open access: yesEngineering Science and Technology, an International Journal, 2023
Conventional coaxial magnetic gears are structures with permanent magnets, which working principle is equivalent to that of epicyclic gearing. The motion is transferred between different axles, without contact in the rotating elements, by modulating the ...
Luca Dimauro   +6 more
doaj   +1 more source

Simulation of a linear permanent magnet vernier machine for direct-drive wave power generation [PDF]

open access: yes, 2011
This paper proposes a linear permanent magnet (PM) vernier machine for direct-drive wave power generation. Firstly, the machine structure is proposed and its parameters are indentified by finite element analysis (FEA). Secondly, the mathematical modeling
Chau, KT, Li, W
core   +1 more source

Analytical method for magnetic field calculation in a low-speed permanent-magnet harmonic machine [PDF]

open access: yes, 2011
Magnetic-gearing effect has become increasingly attractive when designing direct-drive low-speed permanent-magnet machines. The machines derived from the magnetic-gearing effect can be termed as harmonic machines.
Chau, KT   +4 more
core   +1 more source

Characteristics Analysis of Doubly Fed Magnetic Geared Motor Considering Winding Frequency Conditions

open access: yesEnergies, 2018
The magnetic geared motor, which has improved torque density because of the magnetic gearing effect, has been researched. However, its narrow operating region due to the operating mechanism by the magnetic gearing effect and field flux by the PM is a ...
Homin Shin, Junghwan Chang
doaj   +1 more source

Particle-Assisted Optoelectronic Tweezers for Manipulating Single Cells and Microparticles. [PDF]

open access: yesAdv Sci (Weinh)
This work introduces a particle‐assisted optoelectronic tweezers (OET) technique that uses Ag‐SiO2 microparticles as intermediaries to manipulate cells and microparticles via particle‐induced dielectrophoresis. The method extends the OET manipulation range while reducing cell damage.
Wang A   +13 more
europepmc   +2 more sources

Torque Calculation and Dynamical Response in Halbach Array Coaxial Magnetic Gears through a Novel Analytical 2D Model

open access: yesComputation
Coaxial magnetic gears have piqued the interest of researchers due to their numerous benefits over mechanical gears. These include reduced noise and vibration, enhanced efficiency, lower maintenance costs, and improved backdrivability.
Panteleimon Tzouganakis   +5 more
doaj   +1 more source

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