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Nonlinear Continuous Time Control of a Bidirectional Coupled-Inductor Cuk Converter

Joan MAJO, Luis MARTINEZ, Alberto POVEDA, Luis Garca de VICUA, Francisco GUINJOAN, Antonio F. SANCHEZ, Jean Claude MARPINARD, Max VALENTIN

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Summary :

Under conditions of order reduction, a nonlinear control of a bidirectional coupled-inductor Cuk converter suitable for large-signal applications is presented. The converter is accurately modelled as a second order bilinear system and the conditions established for local stability. The nonlinear control law which is implemented by means of one analog divider, standard operational amplifiers and a pulse-width modulator. As a result, the output variable follows proportionally the reference signal, thus allowing the obtention of different types of power waveforms in the converter output. Experimental results verify the theoretical predictions.

Publication
IEICE TRANSACTIONS on Communications Vol.E75-B No.11 pp.1134-1141
Publication Date
1992/11/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Telecommunications Energy Systems and Switching Power Converters)
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