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Compensation of transmission delay of SM controlled DC/DC converter systems

  • Shibo Yuan
  • , Guangxin Duan
  • , Qingyu Wang
  • , Yanmin Wang*
  • *Corresponding author for this work
  • School of Electrical Engineering and Automation, Harbin Institute of Technology
  • Harbin Institute of Technology

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

Abstract

In order to solve the problem of transmission delay located in DC/DC converter systems, a novel compensation approach is proposed by combining sliding mode (SM) control and predictive control. Taking an n-phase interleaving DC/DC buck converter as an example to simulate the signal transmission in such systems like the distributed energy and DC micro-grid types, the discrete model is established, following the design of discrete SM controller based on Lyapunov stability. Considering the random property of the transmission delay, a buffer zone is adopted to change the delay time into a fixed value, and further, a multistep prediction approach is used to estimate the length of the delay time. By using the robustness of SM controller, the influence of transmission delay can be compensated automatically, following the analysis of the system stability. Simulations validate the proposed approach.

Original languageEnglish
Title of host publicationProceedings of the 35th Chinese Control and Decision Conference, CCDC 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2222-2226
Number of pages5
ISBN (Electronic)9798350334722
DOIs
StatePublished - 2023
Externally publishedYes
Event35th Chinese Control and Decision Conference, CCDC 2023 - Yichang, China
Duration: 20 May 202322 May 2023

Publication series

NameProceedings of the 35th Chinese Control and Decision Conference, CCDC 2023

Conference

Conference35th Chinese Control and Decision Conference, CCDC 2023
Country/TerritoryChina
CityYichang
Period20/05/2322/05/23

Keywords

  • DC/DC converter
  • predictive control
  • sliding mode control
  • stability
  • transmission delay

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