Type-2 fuzzy controller for power converters
Abstract
This paper shows the output voltage control of a boost power converter, power converters are switched systems, thus a switched controller was proposed, in this case, a sliding modes controller. The sliding modes controller uses an equivalent controller by using the mathematical model of the system, and a switching controller that uses a sliding surface function. Due to parametric uncertainty in the circuit and practical issues in the converter model, such as the switch and diode voltages, the fuzzy sliding modes controller is adaptive, in this way it is not necessary to have the mathematical model of the converter. An alternative to justify arbitraries in the fuzzy sets design is to implement type-2 fuzzy sets, now different shapes for the fuzzy sets are taken into consideration, for this reason, these kinds of fuzzy sets are used in this approach.
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References
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