Electromagnetic Interference Reduction in Electronic Systems Cabinets by Means of Genetic Algorithms Design

  • Authors:

  • Antonio José Lozano-Guerrero;Alejandro Díaz-Morcillo;Juan Vicente Balbastre-Tejedor

  • Affiliations:

  • Depto. Tecnologías de la Información y las Comunicaciones, Universidad Politécnica de Cartagena, Cuartel de Antiguones, 30202 Cartagena, Spain;Depto. Tecnologías de la Información y las Comunicaciones, Universidad Politécnica de Cartagena, Cuartel de Antiguones, 30202 Cartagena, Spain;Instituto Itaca, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia, Spain

  • Venue:
  • IWINAC '07 Proceedings of the 2nd international work-conference on The Interplay Between Natural and Artificial Computation, Part I: Bio-inspired Modeling of Cognitive Tasks
  • Year:
  • 2007

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Abstract

Conductive plastics have become an alternative to traditional metallic cabinets to shield boxes from electromagnetic interferences. The wide range of available conductivities with these materials can satisfy any particular design. A design with an outer metallic layer and an inner layer of conductive dielectric can obtain advantages from both materials. In this paper the design by means of genetic algorithms of electronic systems cabinets made of new plastic materials to reduce electromagnetic radiated interferences in enclosures with an aperture is described. This optimization procedure requires the use of electromagnetic simulators with a high computational cost. A 2D simulation tool is used in this work for evaluating 3D structures, reducing drastically the computation time. The relationship between obtained solutions and skin depth parameter is evaluated to help in design procedures. A commercial 3D full wave electromagnetic tool has been used to validate the obtained results.