Eddy Current Inversion of Lift-off, Conductivity and Permeability Relaxation (CROSBI ID 712945)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Rep, Ivan ; Špikić, Dorijan ; Vasić, Darko
engleski
Eddy Current Inversion of Lift-off, Conductivity and Permeability Relaxation
We use a stochastic inversion of multifrequency eddy current data for determination of the liftoff, conductivity and permeability of a plate made of magnetic and electrically conductive material. We use a simplified Debye relaxation relation to model the frequency dependent magnetic permeability. The inverted results are posterior probability densities of the plate parameters. The approach is verified using the synthetic data from the impedance model of a coil above a magnetic plate at three excitation frequencies. The inversion of such data leads to significant reduction of the prior uncertainties for all model parameters. The posterior relative deviation of the liftoff and permeability-to-conductivity ratio is better than 0.5 % for impedance measurement uncertainty of 0.1%.
eddy current ; stochastic inversion ; Monte Carlo Markov chain ; electrical conductivity ; magnetic permeability ; relaxation ; metallic plate
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Podaci o prilogu
136-140.
2021.
objavljeno
10.23919/MIPRO52101.2021.9597156
Podaci o matičnoj publikaciji
2623-8764
Podaci o skupu
MIPRO 2021
predavanje
27.09.2021-01.10.2021
Opatija, Hrvatska