Battery State of charge estimation

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Ahmed Khaled
Ahmed Khaled 2019-12-9
评论： Moutaa Madani 2021-5-3
I am currently building a battery model to measure the state of charge of the battery (Lithium Ion with 48V and 20Ah). The battery is used in an electric vehicle and I am trying to monitor the SoC.
However, the battery has no datasheet!
Is it possible that I could estimate the state of charge?
If so, how the project going to work? I mean, am I going to work on the model and then convert it to a C code and deploy it on an embedded device?
I also need some guidance on how to start working on this project.
  1 个评论
Padmamalini T H
Padmamalini T H 2020-5-12
in many papers it is suggested that SOC is equivalent to the open circuit voltage of a battery. so you can consider OCV as your SOC. if you still need a Li-Ion SOC dataset it is available in ieee data port.

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回答（3 个）

Qiancheng Zhou
Qiancheng Zhou 2019-12-10
Hi Ahmed,
Simulink is a platform for modeling both plants and algorithm.
If you have model of your algorithm, it can be convert to C code. You can use it in your embedded device.
If you can build battery model in it, then you can combine algorithm and battery, use algorithm to estimate SoC of battery.
  1 个评论
Shubhangi Motghare
Shubhangi Motghare 2020-1-22
@Qiancheng Zhou, what is process to estimate SOC of a battery ? Can u help me in this Project ?

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Sivakumar Selvam
Sivakumar Selvam 2019-12-10
You can estimate battery SoC by measuring battery terminal voltage.
Moutaa Madani
Moutaa Madani 2021-5-3
Hi,
Me too I am working on calculating the state of charge of li-ion battery and implementing this algorithm on Rasberry Pi, but I really can't find a clear tuto to follow

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