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Optimum exciter design for Magnetic Induction Tomography (MIT)

Marcin Ziolkowski (Faculty of Electrical Engineering, West Pomeranian University of Technology, Szczecin, Poland)
Stanislaw Gratkowski (Faculty of Electrical Engineering, West Pomeranian University of Technology, Szczecin, Poland)

Abstract

Purpose

The purpose of this paper is to present the methodology of designing an exciter for Magnetic Induction Tomography (MIT). The design of the exciter must satisfy the following requirements: maximize MIT system sensitivity and minimize harmful influence on electronic MIT equipment.

Design/methodology/approach

Two objective functions are considered, namely: a magnetic flux density in the protected regions and a module of the eddy‐current density vector in the object under test in the vicinity of a sensor. The paper shows a multi‐objective optimization technique (based on the weighted sum method) which, by coupling the finite‐element method with a genetic algorithm, supports the design of the exciter.

Findings

It is possible to design in a relatively simple way an exciter for MIT under the given assumptions.

Originality/value

Detailed description of the multi‐objective optimization procedure has been presented.

Keywords

Citation

Ziolkowski, M. and Gratkowski, S. (2011), "Optimum exciter design for Magnetic Induction Tomography (MIT)", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 30 No. 4, pp. 1389-1403. https://doi.org/10.1108/03321641111133271

Publisher

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Emerald Group Publishing Limited

Copyright © 2011, Emerald Group Publishing Limited