Abstract

This study presents the analysis, design, and implementation of a DC/DC boost resonant-inductor converter with the stable operation when using a sliding-mode control. In addition, the control scheme provides zero-current switching, fast transient response, and soft converter start-up. Thus, the resonant-inductor converter with the proposed control improves notably the performance of the conventional boost converter. The design of the control scheme is facilitated using an averaged large-signal model of the resonant converter. A laboratory prototype is built and tested to validate the expected features of the resonant converter. Selected experimental results are reported and discussed showing an excellent agreement with the results of the theoretical analysis.

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