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access icon free Analysis, design and implementation of a DC/DC boost resonant-inductor converter with sliding-mode control

© The Institution of Engineering and Technology
Received 25/03/2017, Accepted 15/10/2017, Revised 25/09/2017, Published 26/10/2017

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.

Inspec keywords: variable structure systems; zero current switching; resonant power convertors; DC-DC power convertors; inductors; transient response

Other keywords: DC-DC boost resonant-inductor converter; zero-current switching; theoretical analysis; soft converter start-up; sliding-mode control; fast transient response; averaged large-signal model

Subjects: Multivariable control systems; DC-DC power convertors; Control of electric power systems; Power electronics, supply and supervisory circuits

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