3rd World Congress on Industrial Process Tomography
A State of the Art Review of Electromagnetic Tomography
H S Tapp 1 and A J Peyton 2
1 Institute of Food Research, Norwich Research Park, Colney, Norwich, NR4 7UA, UK
2 Engineering Department, Lancaster University, LA1 4YR, UK; a.peyton@lancaster.ac.uk
ABSTRACT
Electromagnetic tomography produces cross-sectional images representing the variation in conductivity and / or permeability from boundary measurements of mutual inductance. Applications can be grouped into two areas: low-conductivity materials (industrial process and biomedical) or high- conductivity materials (production and non-destructive testing of metals). The research challenges associated with both of these areas will be discussed in terms of the design of the physical sensors, measurement electronics, and image reconstruction. The current literature will be reviewed and application areas that have been investigated will be listed
Keywords Mutual inductance, Electromagnetic inductance, Conductivity imaging, Non-contact
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