Problem with Simscape Onramp task 9

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Juan Manuel Ruiz Martíez
回答： Evan 2025-8-14，17:47
Hello, I can´t answer the last task, task 9, of the section 8.1 of the simscape onramp course, I do exactly what I´m requested to do but I always get it wrong, I´ve been for several hours trying it but I simply don´t understand what I´m getting wrong. I´ve looked for the answer on Youtube but literally nobady has upload it, at least I haven´t found anybody, does anybody knows how to obtain the answer or can anybody tell me where can I find the way to solve it?, thank you!

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回答（8 个）

Joel Van Sickel
Joel Van Sickel 2021-4-6
Hello Juan,
can you provide insight into what is says is going wrong? There are 2 validation check marks that need to be passed for this one. Did you modify your PID controller to only be a PI controller (look for a drop down box). It can be solved.
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Vislavath
Vislavath 2023-5-26
Please provide complete diagram. I am facing same issue in 8.1 project-Electronic valve Task 9.
Amogh
Amogh 2025-2-19
Just change the constant to 5 and it works

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Muhammad Awais
Muhammad Awais 2022-6-26
Did anyone able to solve this issue. I am stuck at the last task.
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Herminio
Herminio 2022-6-29
See Joel Van Sickel provided diagram dated 6 April 2021.
On my case, the problem are the connection between the Controlled Voltage Source, the resistor, inductor, Rotational Electromechanical Converter and reference.
Just followed Joel's diagram for it.

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Mohamed
Mohamed 2024-8-19
编辑：Mohamed 2024-8-19
it was not working for me then i reconnected all components again and it worked out
Ben Navon
Ben Navon 2024-10-6
Connect "Solver Configuration" block to positive "Controlled Voltage Source" block.
Nimish Pachchhapurkar
I am unable to solve the last task even after trying everything mentioned above. This is my circuit.
Alexi De Avila Cadena
I have the same issue. The inertia block has this question mark on it. I have no idea what I did wrong. Everything else seems to be right except this part.
LE DANH MANH
LE DANH MANH 2023-10-2
You can write in command window as image:
I solved this issue. Good luck !!!
Evan
Evan 2025-8-14，17:47
When going through this exercise, I found an issue with the default configuration. This connection here is created when the reset button is pressed. If you delete this connection and follow the steps, you should be able to complete this task.

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