2nd order system in Simulink

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Angelica Belo
Angelica Belo on 5 Sep 2021
Edited: Gagan Baishya on 15 Sep 2021
I was tasked to construct the following 2nd order system in simulink:
y'' + 5y' + 6 = 0; y(0) = 0, y'(0) = 1
I have the following so far:
I'm not sure where and how I can input the y(0) = 0, y'(0) = 1 part.
I was wondering if I'm missing something or if this is correct already. Thank you!
  1 Comment
Paul on 5 Sep 2021
Are you sure that differential equation shouldn't be: y'' + 5y' + 6y = 0 ?

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Answers (1)

Gagan Baishya
Gagan Baishya on 15 Sep 2021
Edited: Gagan Baishya on 15 Sep 2021
You are missing one more integrator block. Also you can specify the initial condition by simply double clicking both the integrator blocks and setting the initial condition to 0 & 1.
To understand more about drawing ODEs in Simulink, please follow the link below: https://blogs.mathworks.com/simulink/2008/05/23/how-to-draw-odes-in-simulink/


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