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Energies 2018, 11(1), 116; doi:10.3390/en11010116

Switched Polytopic Controller Applied on a Positive Reconfigurable Power Electronic Converter

1
Consejo Nacional de Ciencia y Tecnología (CONACYT)-Instituto Tecnológico de Celaya, Celaya 38010, Mexico
2
Instituto Politécnico Nacional, IPN-CITEDI, Tijuana 22435, Mexico
Current address: Antonio Garcia Cubas 600 Col. Fovissste, Celaya, Guanajuato 38010, México
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 17 November 2017 / Revised: 27 December 2017 / Accepted: 29 December 2017 / Published: 3 January 2018
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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 As a result, there is a complexity increment on the modeling and control stage such that traditional techniques are no longer valid.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. View Full-Text
Keywords: robust control; reconfigurable power converter; robust stability robust control; reconfigurable power converter; robust stability
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Rodríguez-Licea, M.-A.; Perez-Pinal, F.-J.; Barranco-Gutiérrez, A.-I.; Nuñez-Perez, J.-C. Switched Polytopic Controller Applied on a Positive Reconfigurable Power Electronic Converter. Energies 2018, 11, 116.

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