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Title: | Analysis of two Equivalent Circuit Models for State of Charge Estimation using Kalman Filters | Authors: | Monsalve, German Cardenas, Alben MARTINEZ, Wilmar |
Issue Date: | 2022 | Publisher: | IEEE | Source: | 2022 IEEE 31ST INTERNATIONAL SYMPOSIUM ON INDUSTRIAL ELECTRONICS (ISIE), IEEE, p. 347 -353 | Abstract: | Battery State of Charge estimation is critical to improve performance, lifetime, and safety of batteries used in agricultural robotic systems. This paper analyzes two different Equivalent Circuit Models that can be used for State of Charge estimation of batteries. We analyze the RC model proposed by the National Renewable Energy Laboratory and the 2RC Thevenin model. The main objective of this study is to determine the advantages and limits of equivalent circuit models for online State of Charge tracking. We performed, for each model, an estimation of the parameters offline. Also, the Recursive Least Square technique was implemented for one of the models to analyze the effect of the online estimation in battery modeling. Then, we implemented and analyzed two Kalman Filters for State of Charge estimation: Linear Kalman Filter and Unscented Kalman Filter. Finally, we provide simulation results of models implemented using MATLAB that we evaluated using experimental data from tests performed on a Panasonic 18650PF Li-ion Battery. | Notes: | Monsalve, G (corresponding author), Univ Quebec Trois Rivieres, Dept Elect & Comp Engn, Trois Rivieres, PQ, Canada. german.monsalve@uqtr.ca; alben.cardenasgonzalez@uqtr.ca; wilmar.martinez@kuleuven.be |
Keywords: | Equivalent Circuit Model;Battery;SoC estimation;Kalman Filters;RLS;Parameter estimation | Document URI: | http://hdl.handle.net/1942/39979 | ISBN: | 978-1-6654-8240-0 | DOI: | 10.1109/ISIE51582.2022.9831758 | ISI #: | 000946662000053 | Category: | C1 | Type: | Proceedings Paper |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
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2022047131.pdf | Peer-reviewed author version | 3.85 MB | Adobe PDF | View/Open |
Analysis of two Equivalent Circuit Models for State of Charge Estimation using Kalman Filters.pdf Restricted Access | Published version | 3.9 MB | Adobe PDF | View/Open Request a copy |
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