Homogenization Methods in Simulations of Transcutaneous Energy Transmitters

Daniela Wolter Ferreira (1) , Ruth V. Sabariego (2) , Luiz Lebensztajn (1, 3) , Laurent Krähenbühl (4) , Florent Morel (4) , Christian Vollaire (4)

1 Escola Politecnica da Universidade de Sao Paulo [Sao Paulo]
2 ACE - Applied and Computational Electromagnetics [Liège]
3 LIA817 - LIA franco brésilien James Clerk Maxwell (CNRS-CNPq)
4 AMPERE - Ampère

Transcutaneous Energy Transmitters (TET) are usually devices composed of two pancake coils to transfer wireless energy through an inductive link from outside to inside the body of a patient. The simulation of the misalignment between the coils must be performed in 3-dimensions, e.g. with Finite Elements (FE). This paper introduces a homogenization method to minimize the expensive 3D FE computation in the frequency domain. Moreover, the meshing process of the nonhomogeneous TET geometry is lightened. The results of this technique are compared with those obtained by considering regular stranded TET coils, showing improvements, mainly at kilohertz frequencies, the typical TET operating frequency range.

Domaines: Energie électrique

Daniela Wolter Ferreira, Ruth V. Sabariego, Luiz Lebensztajn, Laurent Krähenbühl, Florent Morel, et al.. Homogenization Methods in Simulations of Transcutaneous Energy Transmitters. Compumag 2013, Jun 2013, Budapest, Hungary. pp.646. ⟨hal-00807074⟩