NDLI: Optimal design of frequency selective surfaces with fractal motifs

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Optimal design of frequency selective surfaces with fractal motifs

Content Provider	IET Digital Library
Author	Silva, Marcelo Ribeiro da Nóbrega, Clarissa de Lucena Silva, Paulo Henrique da F. D'assunção, Adaildo Gomes
Abstract	An alternative electromagnetic (EM) optimisation technique for the optimal design of frequency selective surfaces (FSSs) with fractal motifs is described. Based on computational intelligence tools, the proposed technique overcomes the high computational cost associated with FSS parametric full-wave analysis. In an application example, a fast and accurate multilayer perceptrons model of a FSS band-stop spatial filter with a Vicsek fractal motif is developed. This neural network model is used for repetitive cost function computations in population-based search algorithm simulations. A bees algorithm, continuous genetic algorithm and particle swarm optimisation are used for FSS optimisation with specific resonant frequency and bandwidth. The performance of these algorithms is compared in terms of numerical convergence. Consistent results are presented for a second-pass of designed FSS prototype with Vicsek fractal elements.
Starting Page	627
Ending Page	631
Page Count	5
ISSN	17518725
Volume Number	8
e-ISSN	17518733
Issue Number	Issue 9, Jun (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/8/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2013.0462
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2014-02-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Alternative Electromagnetic Optimisation Technique Bees Algorithm Combinatorial Mathematics Computational Intelligence Tools Continuous Genetic Algorithm Electrical Engineering Computing Frequency Selective Surface Frequency Selective SurFace Optimal Design FSS Band-stop Spatial Fllter FSS Parametric Full-wave Analysis Genetic Algorithm Microwave Material Multilayer Perceptrons Neural Computing Technique Neural Network Model Optimisation Technique Particle Swarm Optimisation Population-based Search Algorithm Simulations Repetitive Cost Function Computations Search Problem Spatial Filter Vicsek Fractal Motif
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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