Switched Polytopic Controller Applied on a Positive Reconfigurable Power Electronic Converter

Martín-A. Rodríguez-Licea, Francisco-J. Perez-Pinal, Alejandro-I. Barranco-Gutiérrez and Jose-C. Nuñez-Perez
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Martín-A. Rodríguez-Licea: Consejo Nacional de Ciencia y Tecnología (CONACYT)-Instituto Tecnológico de Celaya, Celaya 38010, Mexico
Francisco-J. Perez-Pinal: Consejo Nacional de Ciencia y Tecnología (CONACYT)-Instituto Tecnológico de Celaya, Celaya 38010, Mexico
Alejandro-I. Barranco-Gutiérrez: Consejo Nacional de Ciencia y Tecnología (CONACYT)-Instituto Tecnológico de Celaya, Celaya 38010, Mexico
Jose-C. Nuñez-Perez: Instituto Politécnico Nacional, IPN-CITEDI, Tijuana 22435, Mexico

Energies, 2018, vol. 11, issue 1, 1-22

Abstract: The reconfigurable power electronic converters (RPECs) are a new generation of systems, which modify their physical configuration in terms of a desired input or output operation characteristic. This kind of converters is very attractive in terms of versatility, compactness, and robustness. They have been proposed in areas such as illumination, transport electrification (TE), eenewable energy (RE), smart grids and the internet of things (IoT). However, the resulting converters operate in switched variable operation-regions, rather than over single operation points. As a result, there is a complexity increment on the modeling and control stage such that traditional techniques are no longer valid. In order to overcome these challenges, this paper proposes a kind of switched polytopic controller (SPC) suitable to stabilize an RPEC. Modeling, control, numerical and practical results are reported. To this end, a 400 W positive synchronous bi-directional buck/boost converter is used as a testbed. It is also shown, that the proposed converter and robust controller accomplish a compact, modular and reliable design during different working configuration, operation points and load changes.

Keywords: robust control; reconfigurable power converter; robust stability (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
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