Design model of null-flux coil electrodynamic suspension for the hyperloop

J Lim, CY Lee, JH Lee, W You, KS Lee, S Choi - Energies, 2020 - mdpi.com
The Hyperloop has been developed using various technologies to reach a maximum speed
of 1200 km/h. Such technologies include magnetic levitation technologies that are suitable …

Design of a tubular linear oscillating motor with a novel compound Halbach magnet array

Z Jiao, T Wang, L Yan - IEEE/ASME Transactions on …, 2016 - ieeexplore.ieee.org
A linear oscillating motor provides short-stroke reciprocating motion directly and is widely
used in linear actuation systems. However, with the increase of actuation frequency to …

Distributed current source modeling method for 3D eddy current problem in magnetic conductor with discrete state-space J-φ formulation

B Hao, KM Lee, K Bai - Journal of Computational Physics, 2020 - Elsevier
This paper presents a distributed-current-source (DCS) modeling method to analyze the
eddy-current (EC) induced in an electrically conductive material with a weak magnetic …

Distributed current source method for modeling magnetic and eddy-current fields induced in nonferrous metallic objects

CY Lin, KM Lee, B Hao - IEEE/ASME Transactions on …, 2017 - ieeexplore.ieee.org
This paper presents a new modeling method to determine the harmonic eddy current (EC)
field induced in a nonferrous metal and its corresponding magnetic flux density (MFD) by an …

Effects of mechanical scanning speeds on eddy-current detection of cavity defects

Z Guo, KM Lee, Z Xiong - IEEE/ASME Transactions on …, 2022 - ieeexplore.ieee.org
This article presents a distributed current-source (DCS) model considering the perturbation
of the eddy-current (EC) field and its EC-generated magnetic flux density (MFD) caused by …

Moment method based distributed multipoles for modeling magnetic materials in 2D and 3D magnetostatics

S Lee, H Kim, H Son - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
This paper aims to develop a new modeling method, referred to as a moment method based
distributed multipoles (MMDMP), for precise and fast computation of magnetic field and force …

An analytical approach to determine coil thickness for magnetically levitated planar motors

S Zhang, X Dang, K Wang, J Huang… - IEEE/ASME …, 2016 - ieeexplore.ieee.org
This paper proposes an analytical approach to directly determine coil thickness dimension
only according to the magnetic pole pitch of magnetic levitation planar motors. Based on …

A distributed current source model for analyzing motion-induced eddy-current in a conductor with arbitrary movements

Z Guo, KM Lee, Z Xiong - IEEE/ASME Transactions on …, 2022 - ieeexplore.ieee.org
This article presents a distributed current source (DCS) model for predicting the eddy current
(EC) induced in a conductor in a magnetic field due to mechanical motion and the EC …

Magnetic Pantographic Exoskeleton Illustrated With a Biomimetic Ankle-Foot Simulator for 3-DOF Noncontact Actuation/Measurements

Z Que, KM Lee - IEEE/ASME Transactions on Mechatronics, 2024 - ieeexplore.ieee.org
This article presents a 3-DOF planar magnetic pantographic exoskeleton (Mag-PGE) with
embedded sensors for manipulating/measuring the motion and force/torque (F/T) of an ankle …

Distributed point source method for eddy current modelling

P Huang, X Huang, Z Li, Y Xie - Nondestructive Testing and …, 2024 - Taylor & Francis
Distributed point source method (DPSM) has been gradually applied to the field of
nondestructive testing (NDT). As a semi-analytical modelling technique, DPSM is extremely …