Optimization of DC-DC Converters via Geometric Programming

U. Ribes-Mallada, R. Leyva and P. Garcés

Mathematical Problems in Engineering, 2011, vol. 2011, 1-19

Abstract:

The paper presents a new methodology for optimizing the design of DC-DC converters. The magnitudes that we take into account are efficiency, ripples, bandwidth, and RHP zero placement. We apply a geometric programming approach, because the variables are positives and the constraints can be expressed in a posynomial form. This approach has all the advantages of convex optimization. We apply the proposed methodology to a boost converter. The paper also describes the optimum designs of a buck converter and a synchronous buck converter, and the method can be easily extended to other converters. The last example allows us to compare the efficiency and bandwidth between these optimal-designed topologies.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:458083

DOI: 10.1155/2011/458083

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