State-of-Charge Estimation Based on Open-Circuit Voltage Model Considering Hysteresis

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F24%3A00376481" target="_blank" >RIV/68407700:21230/24:00376481 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1109/ISSE61612.2024.10603756" target="_blank" >https://doi.org/10.1109/ISSE61612.2024.10603756</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/ISSE61612.2024.10603756" target="_blank" >10.1109/ISSE61612.2024.10603756</a>

Result language
angličtina
Original language name
State-of-Charge Estimation Based on Open-Circuit Voltage Model Considering Hysteresis
Original language description
Lithium-ion batteries (LIBs) play a pivotal role in various sectors such as transportation, aerospace, and stationary systems. Accurate estimation of their state-of-charge (SOC) is crucial for efficient utilization within battery management systems. This work presents an enhanced SOC estimation method for LIBs, leveraging both open-circuit voltage (OCV) and hysteresis models. A co-estimation architecture employing two estimators is proposed, firstly focusing on battery model parameter estimation, and secondly utilizing pseudo-OCV instead of voltage measurements as output. This modification offers enhanced accuracy, reduced reliance on extensive laboratory testing, and improved robustness, especially in applications with rapid temperature fluctuations. The proposed method is evaluated through dynamic discharge profile tests across temperature levels ranging from 5 to 45 °C. Root-mean-square errors of SOC estimation for various temperatures were improved from the baseline approach (0.0185-0.0420) down to 0.0090-0.0280 in the proposed approach, showcasing the effectiveness of incorporating hysteresis models into SOC estimation.
Czech name
—
Czech description
—

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
2024 47th International Spring Seminar on Electronics Technology (ISSE)
ISBN
979-8-3503-8548-9
ISSN
2161-2536
e-ISSN
—
Number of pages
4
Pages from-to
—
Publisher name
IEEE Press
Place of publication
New York
Event location
Praha
Event date
May 15, 2024
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
001283808200033

Similar results(10)