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Robust ZAD sliding mode control for an 8-phase step-down converter

Author
Repecho, V.; Biel, D.; Ramos, R.
Type of activity
Journal article
Journal
IEEE transactions on power electronics
Date of publication
2020-02-01
Volume
35
Number
2
First page
2222
Last page
2232
DOI
10.1109/TPEL.2019.2927229
URL
https://ieeexplore.ieee.org/document/8758833 Open in new window
Abstract
This paper describes the design, robustness analysis, and implementation of a zero average dynamics sliding mode control (ZAD–SMC) for a multiphase step-down converter. The ZAD–SMC operates at fixed switching frequency and allows to implement an interleaving technique providing current-ripple cancellation at the converter output. Moreover, the proposed control structure, which is based on a master–slave strategy, includes an equalization technique guaranteeing current sharing among the pha...
Keywords
Current equalization, Fixed switching frequency, Interleaving, Multiphase step-down converter, Sliding mode control (SMC), Zero average dynamics (ZAD)
Group of research
ACES - Advanced Control of Energy Systems
PERC-UPC - Power Electronics Research Centre
SARTI - Technological Development Center for Remote Acquisition and Data Processing System

Participants