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Hi,I am atanu.i wants a matlab simulation expart.i have a simulation problem regarding this paper given below and i also give the input data at the file book06.

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ATANU 2025-9-12

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评论： Rik 2025-9-15

the paper and matlab simulink file and input data i given.

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Steven Lord 2025-9-12

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What is the question you are looking for help to solve?

John D'Errico 2025-9-12

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编辑：John D'Errico 2025-9-12

If you want help on a problem you have encountered, you need to tell someone what problem you encountered. Otherwise, we are required to read your mind, and sadly that often fails to work. We will try of course. but...

Make it possible for someone to help you. What does not seem to be working? Why do you think there is a problem?

ATANU 2025-9-13

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Computer-controlled102.zip

in this zip file there was one research paper and there was a simulink file and a excel file use as a input data.there have a problem i faced in this simulink model that was in derivative block or any transfer function block.can you help me about this simulink model.

Torsten 2025-9-13

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Wouldn't it be more natural to ask the person who generated the .zip-file ?

Sam Chak 2025-9-13

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Hi @ATANU

At this point, I can only identify what went wrong. I understand that it is frustrating, especially since you constructed the system based on the block diagram presented in the paper

Your data exhibit rapid jump points within a small time interval (Δt). When these values pass through the Derivative block (Δu/Δt), they become very large. Because these large values are sent back to the transfer functions via a feedback loop and then pass through the Derivative block again, they continue to increase until the Simulink solver can no longer keep up, ultimately leading to the termination of the simulation.

Figure 1: Data

Figure 2: Simulink Block Diagram

Figure 3: Block Diagram excerpted from the paper

ATANU 2025-9-13

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编辑：ATANU 2025-9-13

@Sam Chakplease send me the simulink model file which you tested.....

Sam Chak 2025-9-13

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@ATANU, I used the same Simulink file from your attached zipped file. However, I replaced the time-dependent data (From Workspace block) with a simple Step block to illustrate the issue of instantaneous change behavior in the data.

ATANU 2025-9-13

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编辑：ATANU 2025-9-13

@Sam Chak please shere your simulink file.....with me..which you remake..

Sam Chak 2025-9-13

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MODEL01MACTO.slx

@ATANU, If you insist.

ATANU 2025-9-14

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@Sam Chak here a error showing in the upper transfer function block.....please recheck it.....and how to rectify it..

Sam Chak 2025-9-14

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编辑：Sam Chak 2025-9-14

@ATANU, I have explained why the error occurs in this comment. I am not an expert in your field, but I can identify two potential issues on your end:

(i) Your data: Is it realistic for the measured pressure to jump from an absolute value of "0" to "162/181" within a small time interval? Please consider this (the absolute part!!!). If you use a smooth data, the error may not occur.

(ii) The model in your Simulink file is likely incorrect, with the most obvious issue being that the multiplication operator "×" (see Figure 3) appears to have been swapped with an "Add" block (see Figure 2).

ATANU 2025-9-15

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@John D'Errico sir can you solve this problem.....? with creating this simulink file?

Rik 2025-9-15

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Please read the comment by Sam Chak again. What have you done so far to resolve the two issues he pointed out? If you haven't done that yet, there is no reason anyone should help you. Try to fix those issues first. They might solve your problem entirely, but they will require some thinking on your part.

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