Electromagnetic Optimization by Genetic Algorithms
Electromagnetic Optimization by Genetic Algorithms
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In this paper, the waveguide design exploiting genetic algorithms as a global optimization technique is described. The influence of the multipoint crossover and mutation operators on the convergence is experimentally examined and discussed. The cross section shape of the waveguide is optimized in order to maximize the bandwidth of the single-mode operation. The influence of the single-point crossover and multipoint crossover operators on the waveguide synthesis was demonstrated on the H-shaped waveguide simulation (2 degrees of freedom) and on the comb-like waveguide (2, 3 and 4 degrees of freedom). The waveguide models were simulated in Comsol Multiphysics 3.3. The optimization algorithm was implemented in MATLAB R2007a.