I am modelling an electric car and I'm getting velocity in negative.

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Irfan 2022-6-5

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评论： Irfan 2022-6-5

Hello, I'm trying to model a simple Battery electric car and which can go upto 500km but when i try to simulate the model im getting velocity in negative, can anyone help?

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Irfan 2022-6-5

also, The SOC of the battery is not decreasing

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Answer 1

Sam Chak 2022-6-5

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Hi @Irfan Amin Gadai

That probably implies one thing: the dynamics modeling for your Electric Vehicle is incorrect.

Check your model in Simulink with various references, i.e., books, journal papers, etc.

https://www.wiley.com/en-us/Electric+Vehicle+Technology+Explained%2C+2nd+Edition-p-9781119942733

Chapter 8 is on Electric Vehicle Modelling. Check the equations that you needed to to predict is the EV performance range.

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Irfan 2022-6-5

Thank you for your reply but after consulting with my prof, he said i have to check the block parameters and thats where the problem was.. but there is still one problem i.e the velocity does not exceed 2 km/hr

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