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How to write time dependent exponential with simple Simulink blocks

Asked by Joshua Allwright on 30 Jan 2019
Latest activity Answered by Priti Bawankule on 7 Nov 2019
Hello,
How would I write this question in simulink using simple blocks:
V= I*R*(1 -exp(-t/(C*R)) ?
I think I am missing the feed back which decays the value over time.
sample1.JPG
I don't want to use blocks which lock values (R and C), as I want to create lookup tables which change the valuse later on. (this is for 2-RC branch battery model)
Any help would be greatly appreciated!

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2 Answers

Answer by Birdman
on 30 Jan 2019

Try this attached model.

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That is moving in the right direction. Will I always need to select a time constant? or can it be linked to the simulink time?
It depends on your design. You can either select a time constant manually or you can link it to Simulink time.
Can you use the 'Ts' block to do this?
Also, can I write my exponential function in terms of a transfer function?

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Answer by Priti Bawankule on 7 Nov 2019

How , we will give the value of Ts, if that T is in vector form?

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