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Simulink Onramp 13.1 Task 4

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Anmol Gurkha
Anmol Gurkha on 9 Sep 2019
Commented: Cris LaPierre on 20 Sep 2023
Hello Matlab and Simulink Users,
I am stranded on 13.1 Peregrine Falcon Dive Part 2 Task 4. I just cannot seem to get past it. Any help regarding it will be appreciated.Even the solution does not provide the desired output signal.
Thanks
  1 Comment
Tresor Kahilu Wa Kahilu
Tresor Kahilu Wa Kahilu on 17 Oct 2019
Task 4 is where you add the substract block?
Can you please give more details are to what seem to be your issue?

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Accepted Answer

Cris LaPierre
Cris LaPierre on 9 Sep 2019
Just went through this task. It works for me. First suggestion would be to restart MATLAB and see if the behavior continues. If you still are getting errors, are your low and high drag terms connected to the correct ports? Have you set the parameters of the switch?
Perhaps add an image of your model so we can see.
  8 Comments
Luke
Luke on 19 Jan 2023
This is not even the only bug like this. I shouldn't have to restart the program multiple times to do ONE simple task.
Walter Roberson
Walter Roberson on 11 Feb 2023
Varshan Prabu comments to @Cris LaPierre:
Thanks a lot. It worked

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More Answers (3)

Walid Al Hamadi
Walid Al Hamadi on 11 Jun 2020
i cannot do the task 5
13.1 Project - Peregrine Falcon Dive: (3/3) Part 2
i change the intioal condition but its gives me error.
thansks
  3 Comments
Faiz Sehic
Faiz Sehic on 20 Oct 2021
I did this but it doesnt help

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S N Rao
S N Rao on 1 Apr 2021
I am also facing same issue.. Can anyone help me out?
  2 Comments
S N Rao
S N Rao on 1 Apr 2021
Found my mistake..Thanks everyone
Pawwthida Chanlila
Pawwthida Chanlila on 21 Oct 2022
Hige Drag = 0.5*rho*Cd2*A2

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Alice
Alice on 6 Sep 2023
I have issues with task 4 as well... Can you spot the issue?
  3 Comments
Alice
Alice on 8 Sep 2023
Here's my signal... can you guess what is wrong with what I am doing?
Cris LaPierre
Cris LaPierre on 20 Sep 2023
Sorry, I didn't get notified you'd replied. I think I figured out why you are getting this incorrect. I believe you copy/pasted the integrator that was already in the model rather than adding a brand new one. The one already in the model sets an initial condition that you do not want on your second integrator.
Please either set the initial condition to 0 in the new integrator block, or delete and add a new one from the library.

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