Abstract:
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This paper deals with the fractional modeling of a DC-DC buck-boost converter, suitable in solar-powered electrical
generation systems, and the design of a fractional controller for the aforementioned switching converter. Although the modeling
and design of the controller is carried out for this particular DC-DC converter, it can be easily extended to other kind of
switching converter. In addition, the comparison between integer-order plant/controller and fractional-order plants/controller
is carried out. The article also shows that, under the same design conditions, the fractional-order controller has a better
performance and behaviour than the classical integer-order controller in both situations, that is, with integer-order plant and
fractional-order plant models |