SOC estimation performance comparison based on the ...
EVS28 International Electric Vehicle Symposium and Exhibition 1 EVS28 KINTEX, Korea, May 3-6, 2015 SOC estimation performance comparison based on the equivalent circuit model using an EKF in commercial LiCoO2 and LiFePO4 cells Hyun-jun Lee1, Joung-hu Park1Jonghoon Kim2 1Department of Electrical Engineering, Soongsil University, Seoul, 2Department of Electrical Engineering, Chosun University, Gwangju, Abstract This study gives a comparison of an Equivalent Circuit-Model (ECM)- based SOC performance using an Extended Kalman Filter (EKF) algorithm for commercial LiCoO2and LiFePO4 cells with an emphasis on the model considering parameterization and noise-modeling with data rejection technique. Firstly, introduces the difference in modelling between both of the cells caused by the Open-Circuit-Voltage(OCV) characteristics. Secondly, this works attempt to show the difference of SOC performance with an increased RC-ladder number in the EKF, namely parameterization.
EVS28 International Electric Vehicle Symposium and Exhibition 1 EVS28 KINTEX, Korea, May 3-6, 2015 SOC estimation performance comparison based on the
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