Results 21 to 30 of about 22,831 (243)
Ultrafast Dynamics of Demagnetization in FeMn/MnGa Bilayer Nanofilm Structures via Phonon Transport
Superdiffusive spin transport has been proposed as a new mechanism of ultrafast demagnetization in layered magnetic nanostructures and demonstrated experimentally.
Tianran Jiang +5 more
doaj +1 more source
This letter proposes a novel sliding mode (SM) disturbance observer-based technique to diagnose demagnetization fault of interior permanent magnet (IPM) motors with stator parameter mismatch impacts eliminated.
Yaofei Han +5 more
semanticscholar +1 more source
Reliable fault diagnosis and condition monitoring are essential for permanent magnet synchronous motor (PMSM) drive systems with high-reliability requirements. PMSMs can be subject to various types of damage during operation.
P. Pietrzak, M. Wolkiewicz
semanticscholar +1 more source
For the phenomenon of rotor demagnetization of Permanent Magnet Synchronous Motor(PMSM), studying the dynamic modeling and analysis of demagnetization rotor.
Zhou Bifeng, Tang Guoning, Luo Yiping
doaj +1 more source
The Demagnetization Phenomenon in PM Machines: Principles, Modeling, and Design Considerations
Permanent Magnet (PM) machines have attracted much attention due to their high power-torque density, high efficiency, high dynamic response performance, high power factor, and simple structure.
F. Mahmouditabar +2 more
semanticscholar +1 more source
Demagnetization Parameters Evaluation of Magnetic Shields Based on Anhysteretic Magnetization Curve
To achieve the nearly zero-field environment, demagnetization is an indispensable step for magnetic shields composed of high-permeability material, which adjusts the magnetization of the material to establish magnetic equilibrium with the environmental ...
Jianzhi Yang +6 more
semanticscholar +1 more source
Dynamic Modeling and Analysis of Demagnetizing Rotor of Permanent Magnet Synchronous Motor
This study performs a dynamic modeling and analysis of the axial uniform demagnetization rotor of a motor to investigate the demagnetization peculiar for permanent magnet synchronous motor (PMSM).
Bifeng Zhou, Guoning Tang, Yiping Luo
doaj +1 more source
To address such challenges as an uncertain number of demagnetization poles of the permanent magnet synchronous motor (PMSM) and cases in which the fault cannot be located, this paper proposes a fault identification and location methodology based on the ...
Yinquan Yu +4 more
doaj +1 more source
MagTense: a micromagnetic framework using the analytical demagnetization tensor [PDF]
We present the open source micromagnetic framework, MagTense, which utilizes a novel discretization approach of rectangular cuboid or tetrahedron geometry “tiles” to analytically calculate the demagnetization field.
R. Bjørk +3 more
semanticscholar +1 more source
Magnetic design and testing of demagnetization facility with ring-shaped coil
[Objectives] In order to achieve the fast and high quality demagnetization of ships,a new demagnetization technique adopting a ring-shaped working coil is proposed.
GUO Chengbao, ZHOU Weichang
doaj +1 more source

