Status of electrical tomography in industrial applications

Trevor A. York

doi:10.1117/12.417163

2 February 2001 Status of electrical tomography in industrial applications

Trevor A. York

Proceedings Volume 4188, Process Imaging for Automatic Control; (2001) https://doi.org/10.1117/12.417163
Event: Intelligent Systems and Smart Manufacturing, 2000, Boston, MA, United States

Abstract

The paper surveys the status of electrical tomography for industrial applications. For the present purposes this is considered to include “low” excitation frequencies, up to about 1 MHz, comprising Resistance (ERT), Capacitance (ECT), Inductance (EMT) and Impedance (EIT) modalities. Introductory background material is followed by comparisons between the instruments that have emerged. Data processing is considered with emphasis on the trade-offs that are necessary in implementing algorithms for reconstructing images. Recent applications are tabulated and case studies are presented for six contrasting areas that illustrate significant progress towards industrial benefit. Some comparison is made with applications to medical tomography and a number of issues are identified for future research.

Citation Download Citation

Trevor A. York "Status of electrical tomography in industrial applications", Proc. SPIE 4188, Process Imaging for Automatic Control, (2 February 2001); https://doi.org/10.1117/12.417163

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