A Reduced-Order Generalized Proportional Integral Observer-Based Resonant Super-Twisting Sliding Mode Control for Grid-Connected Power Converters

Jinghang Lu*, Mehdi Savaghebi, Amer M.Y.M. Ghias, Xiaochao Hou, Josep M. Guerrero

*Corresponding author

Research output: Contribution to journalJournal articleResearchpeer-review

2 Citations (Scopus)

Abstract

This article presents a reduced-order generalized proportional-integral observer based resonant super-twisting sliding mode controller (RST-SMC) for the three-phase ac-dc converters. On the contrary to utilizing the proportional-integral controller in regulating the dc-link voltage, which may cause large undershoot/overshoot under the disturbance, the proposed voltage control strategy for the dc-link has high disturbance rejection ability and the settling time has been greatly reduced. In addition, the proposed RST-SMC in the current control loop not only preserve the merits of the sliding mode controller but also achieve the current tracking without steady-state error in the stationary \alpha - \beta frame. The effectiveness of the proposed method has been verified by a lab-constructed experimental prototype.
Original languageEnglish
Article number9108551
JournalIEEE Transactions on Industrial Electronics
Volume68
Issue number7
Pages (from-to)5897-5908
Number of pages12
ISSN0278-0046
DOIs
Publication statusPublished - Jul 2021

Bibliographical note

Funding Information:
Manuscript received November 28, 2019; revised March 12, 2020, April 21, 2020, and May 6, 2020; accepted May 14, 2020. Date of publication June 4, 2020; date of current version March 22, 2021. This work was supported by Shenzhen Overseas High Level Talent Program. The work of Josep M. Guerrerork was supported by VILLUM FONDEN under the VILLUM Investigator Grant (no. 25920): Center for Research on Microgrids (CROM); www.crom.et.aau.dk. (Corresponding author: Jinghang Lu.) Jinghang Lu is with the School of Mechanical Engineering and Automation, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China (e-mail: jinghang.lu@ieee.org).

Publisher Copyright:
© 1982-2012 IEEE.

Keywords

  • Disturbance rejection
  • reduced-order generalized proportional-integral observer (RGPIO)
  • sliding mode control (SMC)
  • three-phase converter

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