Sliding-mode control, dynamic assessment and practical implementation of a bidirectional buck/boost DC-to-DC converter

Anthony Gee, Francis V P Robinson, Roderick W Dunn

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)
48 Downloads (Pure)

Abstract

Bidirectional power converters are frequently applied when interfacing energy-storage devices such as supercapacitors, uninterruptible-power-supply batteries and generators, electric-vehicle motors and renewable-energy-system generators. This paper presents a bidirectional half bridge DC/DC converter, featuring a novel sliding-mode controller, input and output short-circuit protection and a wide input voltage operating range. The ability to achieve step-up or step-down voltage conversion and accommodate a wide input voltage variation makes this design particularly useful for interfacing energy storage devices whose voltage varies widely with state of charge such as supercapacitor modules. The control theory and design methodology are described and converter performance is assessed at realistic operating levels by simulation and experiment. Benefits are shown to include good performance over a wide range of operating conditions and a relatively simple controller-hardware requirement.
Original languageEnglish
Title of host publication14th European Conference on Power Electronics and Applications, EPE 2011
Place of PublicationPiscataway, NJ
PublisherIEEE
Pages1-10
Number of pages10
ISBN (Electronic)9789075815153
ISBN (Print)9781612841670
Publication statusPublished - Sep 2011
Event2011 14th European Conference on Power Electronics and Applications, EPE 2011, August 30, 2011 - September 1, 2011 - Birmingham, UK United Kingdom
Duration: 1 Sep 2011 → …

Conference

Conference2011 14th European Conference on Power Electronics and Applications, EPE 2011, August 30, 2011 - September 1, 2011
CountryUK United Kingdom
CityBirmingham
Period1/09/11 → …

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  • Cite this

    Gee, A., Robinson, F. V. P., & Dunn, R. W. (2011). Sliding-mode control, dynamic assessment and practical implementation of a bidirectional buck/boost DC-to-DC converter. In 14th European Conference on Power Electronics and Applications, EPE 2011 (pp. 1-10). IEEE.