How to achieve parameter estimation for time stepping

[Santiagopeacely]

Dear developer:
Hello, during the simulation, there are some parameters that are not constant, but change as the reaction proceeds, or, rather, change over time, how does this work in parameter identification? Looking forward to your reply, thank you！

[BradyPlanden]

Hi @Santiagopeacely,

Can you be a bit more specific on which parameters you are looking to identify? For example, you can identify parameters as a function of state-of-charge, temperature, or other operation conditions by forming a piece-wise linear interpolation. At the moment, we don't yet have functionality to decoupling parameters that change over cycle-life; however, depending on how you represent the changing dynamics, you could formulate a relationship that has scalar parameters but is predicting the underlying mechanism. A MWE of your proposed identification workflow would be great for us to continue this discussion.