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Control of Bifurcation in Current-Programmed DC/DC Converters: A Reexamination of Slope Compensation

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

This paper reexamines the conventional current-mode control strategy as applied to dc/dc converters in the light of `avoiding bifurcation'. This alternative viewpoint permits convenient selection of parameter values to guarantee stable operation. Slope compensation is viewed as a means to keep the system sufficiently remote from the first bifurcation point. It is shown that excessive bifurcation clearance is accompanied by undesirably slow dynamical response. A variable ramp compensation is proposed to dynamically adjust the slope magnitude such that the system is kept clear of bifurcation yet responding sufficiently fast during transients.
Original languageEnglish
Title of host publicationProceedings of 2000 IEEE International Symposium on Circuits and Systems (ISCAS)
Pages671-674
Volume1
DOIs
Publication statusPublished - May 2000
Externally publishedYes
Event2000 IEEE International Symposium on Circuits and Systems (ISCAS 2000) - International Conference Center, Geneva, Switzerland
Duration: 28 May 200031 May 2000

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISSN (Print)0271-4310

Conference

Conference2000 IEEE International Symposium on Circuits and Systems (ISCAS 2000)
PlaceSwitzerland
CityGeneva
Period28/05/0031/05/00

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