Physical and Electrical Modeling of Interdigitated Electrode Arrays for Bioimpedance Spectroscopy

  • M. Ibrahim
  • J. Claudel
  • D. Kourtiche
  • B. Assouar
  • M. Nadi
Chapter
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 83)

Abstract

This paper concerns a theoretical and electrical modelling of interdigital sensor in a wide band frequency. A theoretical approach is proposed to optimize the use of the sensor for bioimpedance spectroscopy. CoventorWare® software was used to modelize in three dimensions the interdigital sensor system for measuring electrical impedance of biological medium. Complete system simulation by Finite element method (FEM) was used for sensor sensitivity optimization. The influence of geometric parameters (number of fingers, width of the electrodes, ...), on the impedance spectroscopy of biological medium was studied.

A high level description of the sensor and the biological medium was also developed under VHDL-AMS with SystemVision® software from mentor graphics. The simulation results are compared with measurements obtained with a true interdigitated sensor illustrating a good correlation. This shows that even the theoretical model is simple, it remains very effective.

Keywords

Ionic Solution Biological Medium Total Impedance Electrical Modeling Blood Medium 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • M. Ibrahim
    • 1
  • J. Claudel
    • 1
  • D. Kourtiche
    • 1
  • B. Assouar
    • 2
  • M. Nadi
    • 1
  1. 1.Electronic Instrumentation Laboratory of NancyNancy UniversityFrance
  2. 2.Institute Jean LamourNancy UniversityFrance

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