COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 35 Issue 4

Magnetic and infrared thermography methods in detection of antipersonnel landmines

Barbara Szymanik, Miroslaw Woloszyn

– The purpose of this paper is to present two methods of detection for landmines with minimal metal content.

Metamaterial-based wireless power transfer through interdigitated SRRs

Antonios X. Lalas, Nikolaos V. Kantartzis, Theodoros D. Tsiboukis

Wireless power transfer (WPT) is deemed as an emerging technology with exciting applications, like wireless charging devices, and electric vehicles, whereas metamaterials exhibit…

Automatic defect recognition for pulsed terahertz inspection of basalt fiber reinforced composites

Przemyslaw Lopato

– The purpose of this paper is to present a system for automatic recognition of defects detected in non-conductive polymer composites using pulsed terahertz imaging.

A hybrid method for the calculation of the inductances of coils with and without deformed turns

Hua Li, Wolfgang Rucker

The purpose of this paper is to present an accurate and efficient hybrid method for the calculation of the inductance of a coil and its inductance change due to deformed turns…

Finite element analysis of the active element displacement in a giant magnetostrictive transducer

Dorota Stachowiak

– The purpose of this paper is to find the method for determining the displacement of the active element in a giant magnetostrictive transducer.

Exploration of noisy data in differential electronic nose

Stanislaw Osowski, Krzysztof Siwek, Tomasz Grzywacz

The paper is concerned with exploration of sensor signals in differential electronic nose. It is a special type of nose, which applies double sensor matrices and exploits only…

Visualization of spatial conductivity irregularities within conductive rubber sheets

Helmut Wernick, Patrick Hoelzl, Bernhard G. Zagar

The purpose of this paper is to present a fast and contactless measurement method to determine the spatial conductivity distribution within an intrinsically conducting polymer…

Mathematical modeling of induction surface hardening

Jerzy Barglik

As far as the author knows the modeling of induction surface hardening is still a challenge. The purpose of this paper is to present both mathematical models of continuous and…

Implementation of power transformer controlled switching algorithm

Jacek Horiszny

The paper presents two new algorithms of controlled switching the power transformer. The purpose of this paper is to obtain formulas that determine the moments of closing of the…

A precise electromagnetic field model useful for development of microwave imaging systems

Bartosz Chaber, Johan Jacob Mohr

The paper describes a fast forward electromagnetic model built with help of commercial software. The purpose of this paper is to create an efficient and robust electromagnetic…

Closed loop voltage control of a solenoid using parallel finite element method

Daniel Marcsa, Miklós Kuczmann

The purpose of this paper is to present the importance of model accuracy in closed loop control by the help of parallel finite element model of a voltage-fed solenoid with iron…

Combined heat treatment of metal materials

Václav Kotlan, Roman Hamar, David Pánek, Ivo Doležel

The purpose of this paper is to propose and analyze a combined heat treatment of metal materials, consisting in classic induction pre-heating and/or post-heating and full heating…

Piezoelectrically programmable electric-field driven LC (ELC) resonators acting as THz modulators

Antonios X. Lalas, Nikolaos V. Kantartzis, Theodoros D. Tsiboukis

Metamaterials are artificially tailored complex media with extraordinary properties, not available in nature. Due to their unique performance, they are considered as a crucial…

Assessment of d.c. traction stray currents effects on nearby pipelines

Wojciech Machczynski, Krzysztof Budnik, Jan Szymenderski

dc electrified traction systems are a potential source of stray currents. The purpose of this paper is to evaluate the harmful effects (electrolytic corrosion) that an electrified…

Multisource system for NDT of welded elements exploited in aircraft industry

Tomasz Chady, Ryszard Sikora, Mariusz Szwagiel, Bogdan Grzywacz, Leszek Misztal, Pawel Waszczuk, Michal Szydlowski, Barbara Szymanik

The purpose of this paper is to describe a multisource system for nondestructive inspection of welded elements exploited in aircraft industry developed in West Pomeranian…

Guest editorial

Stanislaw Gratkowski, Marcin Ziolkowski