Sliding mode control and stability analysis of buck DC-DC converter

J. F. Tsai*, Yon-Ping Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

This paper is proposed to deal with the voltage regulation of buck DC-DC converter based on sliding mode control (SMC) technology. A buck DC-DC converter with parasitic resistance is inherently a bilinear system possessing inevitable uncertainties, such as variable resistive load and input disturbance. First, the buck DC-DC converter is modified into an uncertain linear model. Then, SMC technology is adopted to suppress the input disturbance and reduce the effects from the load variation. In addition, the continuous conduction mode (CCM) for normal operation can be guaranteed by the design of sliding function. Finally, experimental results are included for demonstration.

Original languageEnglish
Pages (from-to)209-222
Number of pages14
JournalInternational Journal of Electronics
Volume94
Issue number3
DOIs
StatePublished - 1 Mar 2007

Keywords

  • Buck DC-DC converter
  • Reaching and sliding region (RAS-region)
  • Sliding mode control (SMC)
  • Voltage regulation

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