Wszystkie pola: magnetic induction - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Recent simulation results of the magnetic induction tomography forward problem
Autorzy:: Stawicki, K.
Szuflitowska, B.
Ziolkowski, M.
Powiązania:: https://bibliotekanauki.pl/articles/141095.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: boundary conditions
eddy current testing
finite element method
magnetic
induction tomography
Opis:: In this paper we present the results of simulations of the Magnetic Induction Tomography (MIT) forward problem. Two complementary calculation techniques have been implemented and coupled, namely: the finite element method (applied in commercial software Comsol Multiphysics) and the second, algebraic manipulations on basic relationships of electromagnetism in Matlab. The developed combination saves a lot of time and makes a better use of the available computer resources.
Źródło:: Archives of Electrical Engineering; 2016, 65, 2; 327-336
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Magnetoacoustic tomography with magnetic induction for biological tissue imaging: numerical modelling and simulations
Autorzy:: Żywica, A.R.
Powiązania:: https://bibliotekanauki.pl/articles/141738.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: finite element analysis
magnetoacoustic effects
medical diagnostic imaging
reconstruction algorithms
Opis:: Many imaging techniques are playing an increasingly significant role in clinical diagnosis. In the last years especially noninvasive electrical conductivity imaging methods have been investigated. Magnetoacoustic tomography with magnetic induction (MAT-MI) combines favourable contrast of electromagnetic tomography with good spatial resolution of sonography. In this paper a finite element model of MAT-MI forward problem has been presented. The reconstruction of the Lorentz force distribution has been performed with the help of a time reversal algorithm.
Źródło:: Archives of Electrical Engineering; 2016, 65, 1; 141-150
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Influence of magnetic saturation effects on the fault detection of induction motors
Autorzy:: Drozdowski, P.
Duda, A.
Powiązania:: https://bibliotekanauki.pl/articles/141384.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: induction motors
fault detection
saturation
zero-sequence voltage
Opis:: In this paper, the influence of impact damage to the induction motors on the zero-sequence voltage and its spectrum is presented. The signals detecting the damages result from a detailed analysis of the formula describing this voltage component which is induced in the stator windings due to core magnetic saturation and the discrete displacement of windings. Its course is affected by the operation of both the stator and the rotor. Other fault detection methods, are known and widely applied by analysing the spectrum of stator currents. The presented method may be a complement to other methods because of the ease of measurements of the zero voltage for star connected motors. Additionally, for converter fed motors the zero sequence voltage eliminates higher time harmonics displaced by 120 degrees. The results of the method application are presented through measurements and explained by the use of a mathematical model of the slip-ring induction motor.
Źródło:: Archives of Electrical Engineering; 2014, 63, 3; 489-506
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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