COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 42 Issue 1

Guest editorial: Progress on computational techniques for electromagnetic fields and applications

Finite element method based co-simulation platform for the numerical analysis of motor drive system

This study aims to develop a finite element method based co-simulation platform for the numerical analysis of motor drive system. With the rising requirement of industry, the…

Robust optimal design of low frequency metamaterials considering the fabrication imperfections and parameter fluctuations

The purpose of this paper is to develop a robust optimization methodology for metamaterial (MM) unit designs to minimize the effect of manufacturing and operational uncertainties.

Magnetostrictive hysteretic properties estimation of electrical steel sheet under external stress using improved ADSM model

The purpose of this paper is to improve the modeling accuracy of the magnetostrictive hysteretic characteristics by introducing hysteresis energy instead of pinning energy in the…

Effect of magnetic field on output performance of magnetic liquid vibration energy harvester

The purpose of this study is to develop a friction-type energy-harvesting device based on magnetic liquids (MLs). This MLs energy-harvesting device combines MLs with a…

Analysis of several factors influencing the effect of induction magnetic levitation

The purpose of this paper is to analyze the characteristics of the factors influencing the effect of magnetic levitation, including the impedance angle of the levitated coil…

Effects of rTMS on working memory abilities and time-varying spectrum coherence of LFPS and spikes in rats

The purpose of this study was to evaluate the effects of repetitive transcranial magnetic stimulation (rTMS) at different frequencies on working memory (WM) and neuroelectric…

Integrated numerical simulation of an electromagnetic transmission line galloping excitation test system

This paper aims to establish the mathematical model and solve the complex calculation multi-field coupling problem for an electromagnetic overhead transmission line galloping…

A constrained topology optimization methodology based on budget constrained min-cut

The purpose of this paper is to propose a novel methodology based on budget constrained Min-Cut theorem to solve constrained topology optimization (TO).

Prediction method of motor magnetic field based on improved Linknet model

Under the condition of small data set, a prediction model of motor magnetic field is established based on deep learning method. This paper aims to complete the magnetic field…

New approach for imposing the nonlinear floating potential boundary condition in the Poisson-continuity coupled system

The purpose of this study is to develop a new approach for simulating the ion flow field with the floating conductors based on the existing inversion method.

Multi-coil design for a coaxial double-cylinder head MRI scanner

Gradient coils designed by conventional target field methods usually have a complex physical structure and these methods are not convergent for complex routing area problems. This…

Euler–Lagrange method for low-frequency metamaterials

The purpose of this paper is to develop a modeling method for the analysis of low-frequency metamaterials (MTMs) and their near-field applications.

Radar echo simulation of wind turbines array based on scattering center

This paper aims to propose a method for accurate radar echo simulation of wind turbines (WTs) array. It can solve the problem of passive interference from wind farms to…

The effect of brain functional network following electroconvulsive therapy in major depressive disorder

The purpose of this paper is to examine the changes of brain functional network after electroconvulsive therapy (ECT) treatment in major depressive disorder (MDD).

Punching effects on local magnetic properties near the edge of nonoriented electrical steels

The purpose of this study is to investigate the effect of punching on the local magnetic properties of the nonoriented electrical steel sheet.

Flashover of insulation materials induced by electrostatic electromagnetic pulse

The purpose of this paper is to research the induced flashover laws of different insulation materials under electrostatic electromagnetic pulse, and the induced flashover…

Online detection of bus bar plane stress based on electromagnetic loading

The purpose of this study is to develop an electromagnetic loading method for online measurement of the acoustoelastic coefficients and bus bar plane stress.

Conducted EMI analysis and filters design for a high-low voltage DC/DC converter based on GaN HEMTs in electric vehicle

The purpose of this paper is to study conducted electromagnetic interference (EMI) of the high-low voltage DC/DC converter based on GaN high-electron-mobility transistors (HEMTs…

Localized magnetic properties measurement of interlocking core laminations

In rotational alternating current machines, interlocking is a commonly used manufacturing method to fix laminated silicon steel cores. The purpose of this study is to measure the…

A dynamic magnetostrictive model based on the Jiles–Atherton hysteresis model and field separation approach

The purpose of this paper is to combine the Jiles-Atherton (J-A) hysteresis model with the field separation approach to realize the accurate simulation of dynamic magnetostrictive…

Research on application of LU decomposition and CG method in nonlinear iteration of transmission line finite element method

The purpose of this study is to develop a reliable finite element algorithm based on the transmission line method (TLM) to solve the nonlinear problem in electromagnetic field…

Calculation of the thermal field of a linear induction motor (LIM) considering a discontinuous secondary plate

The purpose of this study is to analyze the linear induction motor (LIM) thermal field when the motor passes through the discontinuous area of the secondary plate in rail transit…

Analysis of mechanical flux-weakening by using the end-cap of the switched flux permanent magnet machines

The purpose of this study is to develop a novel mechanical flux-weakening topology for the switched flux permanent magnet (SFPM) machine to extend the speed range, which will be…

New design of electric vehicle motor based on high-strength soft magnetic materials

The purpose of the paper is to make a high speed motor based on the characteristics of high strength silicon steel. With the higher requirements for torque density and power…

Research on multiple transient modeling scheme for full-cycle design of the 12-pulse PSR rectifier

This paper aims to propose a novel multiple transient modeling scheme for the 12-pulse phase-shifting reactor (PSR) rectifier to enhance the efficiency of full-cycle design…