Design of a Low-Cost Acquisition System to Reconstruct Images through Electrical Resistance Tomography

Authors

  • Bruno Furtado de Moura Federal University of Espirito Santo https://orcid.org/0000-0003-1912-3732
  • Marcio Ferreira Martins Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brasil https://orcid.org/0000-0002-3023-222X
  • Francisco Hernan Sepulveda Palma Universidad de Santiago de Chile, Santiago, Chile https://orcid.org/0000-0002-1930-3859
  • Wellington Betencurte da Silva Universidade Federal do Espírito Santo, Alegre, Espírito Santo, Brasil
  • Jorge Acevedo Cabello Universidad de Santiago de Chile, Santiago, Chile
  • Rogerio Ramos Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brasil https://orcid.org/0000-0003-4493-2435

Keywords:

Electrical Impedance Tomography (EIT), Data Acquisition Design, Instrumentation, Multiphase Flow

Abstract

Electrical Resistance Tomography (ERT) is a technique employed in the industrial environment that reconstructs images formed by the impedance distributions inside a vessel. The method relies on measures from a data acquisition system, responsible to inject a current inside the vessel and measures the voltage on the boundaries, and sequentially an inverse problem solution. This paper introduces a low-cost design of an acquisition system that can obtain 30 images/s with a signal-to-noise ratio of 57.47 dB and a maximum error of 3.79%. It utilizes a simple RMS-to-DC converter demodulation scheme to provide good accessibility to researchers aimed at investigating flow patterns of multiphase flow applications.

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Author Biographies

Bruno Furtado de Moura, Federal University of Espirito Santo

Bruno Furtado de Moura received the B.Eng. and M.Sc. degrees in Mechanical Engineering from the Federal University of Espírito Santo (UFES), Vitória, Espírito Santo, Brazil, in 2012 and 2014. Currently, he is involved in graduate studies to obtain a D.Sc. degree, developing electrical impedance tomography reconstruction software and hardware at UFES in partnership with the University of Santiago de Chile. His topics of interest are inverse problem, electrical tomography, heat transfer and fluid flow modeling.

Marcio Ferreira Martins, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brasil

Marcio Martins is Professor of Thermal Science at the Department of Mechanical Engineering of UFES. His research is centered on multiphase reactive processes in thermal systems. The purpose of his work is to develop processes and systems to reduce the waste of energy and to find through the solid residues a way of energy recovering. He was born in Amazon (Brazil) and studied Mechanical Engineering at Federal University of Para (B.Eng. 2003, M.Sc. 2005), and after at the University of Toulouse (Ph.D. 2008). Marcio joined UFES in 2009.

Francisco Hernan Sepulveda Palma, Universidad de Santiago de Chile, Santiago, Chile

Francisco Sepúlveda Palma obtained his bachelor’s degree in applied physics in 2004 and an M.Sc. degree in engineering physics in 2005 from the University of Santiago de Chile (Usach), Santiago, Chile. He received a Ph.D. from the University of Toulouse, in 2009. Since 2012, he is an Associate professor at the Department of Mechanical Engineering at Santiago University of Chile. He works on heat transfer modeling and their implementation in the field of inverse problems for infrared images. Also on ultrasonics and automation and control.

Wellington Betencurte da Silva, Universidade Federal do Espírito Santo, Alegre, Espírito Santo, Brasil

Wellington Betencurte da Silva is Professor ofoptimization and numerical methods in the Center of Agricultural Sciences and Engineering at the Federal University of Espirito Santo. His research is centered on mathematical modeling and state variable estimations via Bayesian filters applied to thermal science problems. He was born in Cachoeiro-ES (Brazil) and studied Mathematics at Fluminense Federal University (2006), Mechanical Engineering at Military Engineering Institute (M.Sc. 2008), and after his Ph.D. at the Federal University of Rio de Janeiro/ Ecole des Mines d’Albi-Carmaux (2012). Wellington joined UFES in 2013.

Jorge Acevedo Cabello, Universidad de Santiago de Chile, Santiago, Chile

Jorge Acevedo Cabello is Assistant professor at the Department of Mechanical Engineering of Santiago University of Chile, where he graduated in Mechanical Civil Engineering in 2004. He received his Ph.D. from Polytechnic University of Catalonia, Barcelona, Spain, where he worked on experimental and numerical studies applied to continuous casting process.

Rogerio Ramos, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brasil

Rogério Ramos is Professor of Thermal Science and head of the Nucleus for Oil and Gas Flow Measurement (NEMOG) at the Department of Mechanical Engineering at UFES. His research is centered on flow measurement for the petroleum industry, developing techniques of measurements for multiphase systems. He was born in Vitoria-ES (Brazil) and studied Mechanical Engineering at UFES (B.Eng 1988, M.Sc. 1993), and after held his Ph.D. at the Federal University of Rio de Janeiro/ Cardiff University (1999). Rogério joined UFES in 1994.

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Published

2021-03-13

How to Cite

Furtado de Moura, B. F., Martins, M. F., Palma, F. H. S. ., da Silva, W. B., Cabello, J. A., & Ramos, R. (2021). Design of a Low-Cost Acquisition System to Reconstruct Images through Electrical Resistance Tomography. IEEE Latin America Transactions, 18(9), 1592–1598. Retrieved from https://latamt.ieeer9.org/index.php/transactions/article/view/2766