A particle swarm optimisation (PSO) based method is presented for selective harmonics elimination (SHE) solution in pulse-width modulated (PWM). PSO is used to determine the switching pulses by solving the non-linear equation's formed with the Fourier analysis of the output waveform which enables the control of the fundamental component. The application of the proposed method to single phase and three phase inverter is demonstrated with respect to harmonic distortion by eliminating the unwanted lower harmonic component up to 19th order. The selected performance features are validated by relevant waveforms, which are obtained by simulation of different examples with the use of MATLAB software, which shows the better perform of the proposed method.
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Upendar et al. (2009) studied this question.
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