Abstract
In this work, analysis and optimization of sliding-mode controller parameters are treated, in order to govern a static power converter. In this case, an ac-dc boost power factor corrector is used; generally, these kinds of converters are applied to obtain a power factor near to unity. Advantage that the designed controller can give is the improvement of dynamic and static performances in cases of large disturbances. Simple sliding surface contains, in most cases, only one variable; in this study, analyzed surface includes two variables, which are continuous output voltage and rectified sinusoidal input current; the benefit of this surface is getting react against various disturbances, as be at the input power parameters, or the value of the load. The whole controller and converter is tested by simulation and experimentally for steady-state and transient responses.
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