Linear Active Disturbance Rejection Control of an LLC Converter for On-Board Chargers

Ebru Avci, Andreas Greifelt, Hannes Börngen, Eyke Aufderheide, Ralph Kennel, Dieter Gerling

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper proposes a Linear Active Disturbance Rejection Control (LADRC) system for a full-bridge LLC converter in on-board chargers for battery electric vehicles. The implementation of LADRC results in high-precision tracking and robustness, providing an effective solution to performance issues initiated by unexpected disturbances. The study underscores the inherent advantages of employing LADRC, including its high operational efficiency and compactness of design. Utilization of LADRC eliminates the need for redesigns even when confronted with modeling inaccuracies or unpredictable disturbances, thus providing enhanced reliability and stability. Drawing upon the advantageous characteristics of LADRC, a control system has been designed for on-board chargers in low-voltage battery electric vehicles (BEVs). This integration results in an efficient, resilient, and compact charging solution.

Original languageEnglish
Title of host publication2023 25th European Conference on Power Electronics and Applications, EPE 2023 ECCE Europe
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9789075815412
DOIs
StatePublished - 2023
Event25th European Conference on Power Electronics and Applications, EPE 2023 ECCE Europe - Aalborg, Denmark
Duration: 4 Sep 20238 Sep 2023

Publication series

Name2023 25th European Conference on Power Electronics and Applications, EPE 2023 ECCE Europe

Conference

Conference25th European Conference on Power Electronics and Applications, EPE 2023 ECCE Europe
Country/TerritoryDenmark
CityAalborg
Period4/09/238/09/23

Keywords

  • Control strategy
  • Electric Vehicle (EV)
  • LLC resonant converter
  • On-board charger

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