A general method is considered for optimizing the output waveform of pulsewidth-modulated (PWM) inverters, whatever load may be supplied. It consists of the minimization of a cost function of operation of the load fed by the inverter. The mathematical tools and the numerical techniques to calculate the optimum switching patterns in the space of PWM inputs are derived using the state variable description of the dynamics of the system. Nonlinear state equations are assumed. Some examples and comparisons are included to show the features of the proposed PWM methods. Copyright © 1980 by The Institute of Electrical and Electronics Engineers, Inc.
Optimum output waveforms in PWM inverters
BUJA, GIUSEPPE
1980
Abstract
A general method is considered for optimizing the output waveform of pulsewidth-modulated (PWM) inverters, whatever load may be supplied. It consists of the minimization of a cost function of operation of the load fed by the inverter. The mathematical tools and the numerical techniques to calculate the optimum switching patterns in the space of PWM inputs are derived using the state variable description of the dynamics of the system. Nonlinear state equations are assumed. Some examples and comparisons are included to show the features of the proposed PWM methods. Copyright © 1980 by The Institute of Electrical and Electronics Engineers, Inc.
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