Integrated design & control of a buck boost converter

AUTOR(ES)

Garcia, Martin J. Pomar, Normey-Rico, Julio E., Gutierrez, Gloria, Prada, César de

FONTE

Sba: Controle & Automação Sociedade Brasileira de Automatica

DATA DE PUBLICAÇÃO

2009-09

RESUMO

This paper presents the integrated design and control of a buck boost converter (BBC). In the proposed methodology the design tool provides simultaneously the controller tuning and BBC design parameters in such a way that some closed-loop pre-specified static and dynamic behavior is obtained. This approach contrasts with the traditional methodology, where the design of BBC is performed without taking into account its dynamical behavior. An optimization procedure is used to obtain the electronic components of the BBC and the tuning parameters of the controller, minimizing an objective function that considers the set of performance specifications. Although the methodology can be applied to any converter and any control strategy, in this particular case an ideal BBC and a Sliding Model Control (SMC) strategy are used. Some simulation results show the advantages and principally the flexibility that can be obtained with this approach.

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