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Robust State of Charge Estimation for Battery with Self-Adaptive Super Twisting Sliding Mode Observer

  • Shuo Zhang
  • , Xinghao Wang
  • , Chengrui Li
  • , Dianxun Xiao*
  • *Corresponding author for this work
  • The Hong Kong University of Science and Technology (Guangzhou)
  • Harbin Institute of Technology Shenzhen
  • HKUST Shenzhen-Hong Kong Collaborative Innovation Research Institute

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

Abstract

In recent years, the development of Lithium-ion battery technology has promoted the utilization of battery management systems (BMS). In the BMS, developing a reliable state of charge (SOC) estimation method is essential for managing and controlling batteries. Most of the research in this area has focused on the design of model-based observers. This paper proposes the self-adaptive super twisting sliding mode observer (SASTSMO) and improved particle swarm optimization (IPSO) algorithm to estimate SOC, which could effectively suppress the system chattering. The SASTSMO can estimate total disturbances in battery model without chattering issues and then compensate them to enhance the accuracy of SOC. Furthermore, the adaptive algorithm can adjust the gain of the observer according to the error automatically, which improves the robustness of the algorithm. Finally, the feasibility of the proposed method is verified under different test conditions.

Original languageEnglish
Title of host publicationIECON 2023 - 49th Annual Conference of the IEEE Industrial Electronics Society
PublisherIEEE Computer Society
ISBN (Electronic)9798350331820
DOIs
StatePublished - 2023
Externally publishedYes
Event49th Annual Conference of the IEEE Industrial Electronics Society, IECON 2023 - Singapore, Singapore
Duration: 16 Oct 202319 Oct 2023

Publication series

NameIECON Proceedings (Industrial Electronics Conference)
ISSN (Print)2162-4704
ISSN (Electronic)2577-1647

Conference

Conference49th Annual Conference of the IEEE Industrial Electronics Society, IECON 2023
Country/TerritorySingapore
CitySingapore
Period16/10/2319/10/23

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Improved particle swarm optimization (IPSO)
  • lithium-ion battery
  • self-adaptive super twisting sliding mode observer (SASTSMO)
  • state of charge (SOC)

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