COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 24 Issue 1
Table of contents
Evolution of free‐boundaries conduction into a superconductor sphere in magnetic variable field
Amor Guettafi, Guy QuichaudPresents a study of a bulk superconductor sphere placed in a uniform magnetic induction field b0(t).
New design formulas for microstrip transmission lines using high‐dielectric substrate
Mohamed Lamine Tounsi, Mustapha C.E. Yagoub, Brahim HaraoubiaCharacterisation and use of dielectric materials with high permittivity are one of the most developed areas of research in microwave circuit simulation. This is mainly because of…
Simulation of Gunn oscillations with a non‐parabolic hydrodynamical model based on the maximum entropy principle
Giovanni Mascali, Vittorio RomanoOn the basis of the maximum entropy principle, seeks to formulate a hydrodynamical model for electron transport in GaAs semiconductors, which is free of any fitting parameter.
Steady‐state modelling of basic unipolar PWM AC line matrix‐reactance choppers
Igor Y. Korotyeyev, Zbigniew FedyczakFocuses on steady state modelling of basic unipolar non‐isolated PWM AC line matrix‐reactance choppers (MRC). Their single‐phase topologies are similar to well‐known basic DC/DC…
An artificial neural network model for predicting gas pipeline induced voltage caused by power lines under fault conditions
S. Al‐Alawi, A. Al‐Badi, K. EllithyPresents a technique based on the development of an artificial neural network (ANN) model for predicting the electromagnetic inference effects on gas pipelines shared right‐of‐way…
An application of SHEPWM technique in a cascade multilevel inverter
Servet Tuncer, Yetkin TatarIn this paper, a new application of the Selected Harmonic Elimination Pulse Width Modulation (SHEPWM) technique used in the cascade multilevel inverter topology which is formed by…
Multifrontal method preconditioned GMRES‐FFT algorithm for fast analysis of microstrip circuits
R.S. Chen, L. Mo, Edward K.N. YungAims to apply the generalized minimal residual (GMRES) algorithm combined with the fast Fourier transform (FFT) technique to solve dense matrix equations from the mixed potential…
Enhancing the distribution networks stability using distributed generation
Francisco Jurado, José CarpioThis paper describes models of micro‐turbines and fuel cells, which can be used in stability studies.
Speculative parallel processing applied to modelling of initial problems
Andrzej Jordan, Jarosław Forenc, Marek TudrujTo present a new parallel method for solving differential equations that describe transient states in physical systems.
Position control of induction motor a new‐bounded fuzzy sliding mode controller
Ibrahim Senol, Metin Demirtas, Sabir Rustemov, Bilal GumusThe aims of the paper are to improve the dynamic response of an induction motor based position servo system and to remove the chattering problem in the sliding mode control theory…
Modelling dynamic hysteresis loops and iron losses by the use of equivalent circuits
Zdzisław WłodarskiThe aim of the paper is the formulation of a simple hysteresis model entirely based on generally accepted concepts.
Exploring the overall behaviour of solutions of recursive computational models
J.S. Hämäläinen, M. Aunola, S.R. MalmTo determine and/or examine overall behaviour of simulation models with large input using as few parameters as possible. To introduce a methodology describing stability of the…
Decentralised coordination of facts devices for power system stability enhancement using intelligent programming
Mahmoud Oukati Sadegh, K.L. LoThis paper seeks to propose a systematic method to design multi fuzzy FACTS based stabilizers in a multi‐machine power system.
Nonlinear systems – algebraic gramians and model reduction
Marissa Condon, Rossen IvanovNonlinear dynamical systems may, under certain conditions, be represented by a bilinear system. The paper is concerned with the construction of the controllability and…
Energy consideration of the T(x) model of hysteresis
Jeno TakacsThe paper sets out to develop the T(x) model, based on well known principles and using the free energy of the ferromagnetic binary system as a starting point.
Working field theory problems with random walks
Kent R. DaveyThe purpose of this paper is to demonstrate how Monte Carlo methods can be applied to the solution of field theory problems.
A FEM method for eddy current analysis in laminated media
Oszkár Bíró, Kurt Preis, Igor TicarThis paper aims at developing a computational technique to take account of the laminated nature of iron cores when computing their eddy current losses.
Modelling of continual induction hardening in quasi‐coupled formulation
Jerzy Barglik, Ivo Doležel, Pavel Karban, Bohuš UlrychAs far as the authors know, no sufficiently complete model of continual induction hardening was developed and solved so far. The paper presents both mathematical model of the…
Characterization of a DC magnetron sputtering device
D. Desideri, M. Bagatin, M. Spolaore, V. Antoni, R. Cavazzana, E. Martines, G. Serianni, M. ZuinThe aim of this paper is to obtain an extensive experimental characterization of a DC magnetron sputtering device used for plasma processing of materials.
Discrete‐valued design optimisation of a multiple‐coil inductor for uniform surface heating
P. Di Barba, B. Forghani, D.A. LowtherSeeks to determine the optimal shape design of an induction heating device.
Temperature distribution in aluminum billets heated by rotation in static magnetic field produced by superconducting magnets
Massimo Fabbri, Antonio Morandi, Francesco NegriniTo investigate the feasibility of a novel scheme of high‐efficiency induction heater for nonmagnetic metal billets which use superconducting coils.
Neural networks for FDTD‐backed permittivity reconstruction
Vadim V. Yakovlev, Ethan K. Murphy, E. Eugene EvesTo outline different versions of a novel method for accurate and efficient determining the dielectric properties of arbitrarily shaped materials.
The optimisation of induction heating system based on multiquadric function approximation
Jerzy ZgrajaThe investigation of the efficiency of optimisation technique based on approximation of objective function by multiquadric (MQ) function, used for induction heating devices was…
Experimental investigations and numerical modelling of the melting process in the cold crucible
A. Umbrashko, E. Baake, B. Nacke, A. JakovicsAims to present recent activities in experimental investigations and numerical modelling of the induction cold crucible installation.
Medium frequency induction‐heated chemical reactor with cooling metallic envelope of the tank
Virgiliu Fireteanu, Bernard Paya, Jacques Nuns, Yves Neau, Tiberiu Tudorache, Alexandru SpahiuAnalysis and development of a high efficiency, induction heated chemical reactor, medium frequency supplied (1,000‐2,000 Hz), able to be equipped with efficient cooling circuits.
Multiphase electromagnetic stirring of low conducting liquids
R. Ernst, D. Perrier, P. Brun, J. LacombeTo produce a controlled stirring in a low conducting liquid thanks to a new kind of multiphase inductor.
Stirring velocity effectiveness of two‐ and three‐phase EMS for small to medium cross section billets and blooms
J.D. Lavers, G.R. Tallbäck, L.S. BeitelmanTo use an experimentally calibrated turbulent flow model to determine whether two‐ and three‐phase electromagnetic stirrers provide equivalent stirring when continuously casting…
ISSN:
0332-1649Online date, start – end:
1982Copyright Holder:
Emerald Publishing LimitedOpen Access:
hybridEditor:
- Prof Jan Sykulski