Design of Modular Battery Management System with Point-to-point SoC Estimation Algorithm

Angela Caliwag, Kumbayoni Lalu Muh, So Hee Kang, Jeonghun Park, Wansu Lim

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

9 Scopus citations

Abstract

Lithium-ion (Li-ion) batteries are proven to be the best type of battery in the market especially for electric vehicle (EV) applications. However, Li-ion battery must be monitored properly to prevent operation outside the safe operating area (SOA). In using the Li-ion battery, the voltage, current and SoC must be monitored properly to avoid overvoltage, undervoltage, overcurrent, undercurrent, overcharge and overdischarge scenarios which could be harmful to both the Li-ion battery and to the users. Especially in dynamic systems such as EV in which the load supplied by the battery is not constant and could vary drastically. Thus, battery management systems (BMS) are often designed to perform such monitoring functions. BMS must be designed well to fit a specific application. In this study we design a battery management system that is capable of battery voltage and current monitoring, and SoC estimation. For SoC estimation we propose a point-to-point estimation technique which utilizes machine learning algorithm to estimate the SoC consumed as the EV is driven from one point to another.

Original languageEnglish
Title of host publication2020 International Conference on Artificial Intelligence in Information and Communication, ICAIIC 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages701-704
Number of pages4
ISBN (Electronic)9781728149851
DOIs
StatePublished - Feb 2020
Externally publishedYes
Event2nd International Conference on Artificial Intelligence in Information and Communication, ICAIIC 2020 - Fukuoka, Japan
Duration: 19 Feb 202021 Feb 2020

Publication series

Name2020 International Conference on Artificial Intelligence in Information and Communication, ICAIIC 2020

Conference

Conference2nd International Conference on Artificial Intelligence in Information and Communication, ICAIIC 2020
Country/TerritoryJapan
CityFukuoka
Period19/02/2021/02/20

Keywords

  • battery management system
  • circuit design
  • lithium-ion battery
  • point-to-point
  • SoC estimation

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