Robyn Jackey, MathWorks
In this webinar, we create an equivalent circuit battery model in Simscape which can be used to model lithium battery cells. The presentation will show the step-by-step procedure to create an equivalent circuit model, including creating custom components in the Simscape language. We also demonstrate parameter estimation based on experimental data. Subsequently, the model will be stimulated by operating conditions relevant to electric vehicle applications.
Lithium battery models with thermal effects are an essential part in the workflow for battery management system design. A battery model should capture the nonlinear dependencies associated with charge and temperature for a specific battery chemistry. Parameterization of equivalent circuit models to match real-world battery data can be a complex task. Using physical modeling methods together with optimization algorithms, it is possible to create fast and accurate battery models.
Please also see the following related materials:
IEEE Paper (March 2012): High Fidelity Electrical Model with Thermal Dependence for Characterization and Simulation of High Power Lithium Battery Cells
Recorded: 26 Jun 2012
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