SOC estimation using UKF

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sanya gode
sanya gode 2020-3-17
评论： nguyen 2023-11-14
I am building a battery model to estimate SOC using UKF, my doubt is how to initialize Em, R and C values to enter in lookup tables also Capacity, Initial Charge Deficit and Cell dimensions for thermal properties. I know we need to initialize using m-script but the doubt is- I saw some example model on Mathworks but did not understand from where were those values taken. Was it some experimental data or specs from some datasheet ?
Kindly clarify.
Thanks in advance

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Pranav Murali
Pranav Murali 2020-3-27
I can understand that you are interested in knowing how we arrived at the values of Em, R and C stored in the lookup table. In the example, Nonlinear State Estimation of a Degrading Battery System R0, R1, C1 and Em are 2D look-up tables that are dependent on SOC and battery temperature. The parameters in the look-up tables are identified using experimental data which was obtained from the publication given below:
Huria, Tarun, et al. "High fidelity electrical model with thermal dependence for characterization and simulation of high power lithium battery cells." Electric Vehicle Conference (IEVC), 2012 IEEE International. IEEE, 2012.
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Christopher Francis
Christopher Francis 2022-6-10
Hello Pranav, thank you for your answer. Thank you Sanya for asking. I have researched for the data file from the referenced publication but I am yet to find it. Could you kindly direct me as to how to go about getting it. Thank you!
nguyen
nguyen 2023-11-14
can you share me your Simulink model please, i had a assignment but i did not finish.

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