Min-type control strategy of a DC-DC synchronous boost converter

Antonino Sferlazza, Carolina Albea-Sanchez, Germain Garcia, Carolina Albea-Sanchez, Luis Martinez-Salamero, Corinne Alonso

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

This paper presents the analysis and design of a min-type strategy to control a synchronous boost converter in continuous conduction mode. The strategy uses a nonlinear switching surface to establish the change of topology in the converter and is analyzed by means of a sliding-mode control approach. Subsequently, the min-type strategy is modified by a hybrid control formulation, which introduces a hysteresis width and a dwell-time to obtain a finite switching frequency in the start-up and steady-state, respectively. The hybrid control formulation is implemented digitally by means of a microprocessor which processes the samples of inductor current and capacitor voltage to provide the control signal that activates the power switch. Experimental results in a prototype validate the proposed control strategy and show its potential in transient time and steady-state.
Original languageEnglish
Pages (from-to)3167-3179
Number of pages13
JournalIEEE Transactions on Industrial Electronics
Volume67
Publication statusPublished - 2020

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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