Aspen Plus & Matlab (command to deactivate/activate a transfer block?)

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Angelica Liponi
Angelica Liponi 2018-6-27
编辑： Angelica Liponi 2024-9-12
Hi everyone, I have a model in Aspen Plus that I launch with Matlab to vary some parameters. I want to deactivate a block and then re-activate it (because it helps to reach the convergence). How can I do that?(which is the code) Do you know where I can find a list of useful commands for Matlab-Aspen? Thank you very much.
  2 个评论
Angelica Liponi
Angelica Liponi 2024-9-12
编辑：Angelica Liponi 2024-9-12
Hi Willian,
no, unfortunately I haven't find it.
You could try looking if one of the parameters for the block (in my case, it was a transfer block) in the Variable Explorer of Aspen Plus is used for determining if the block is active or not, probably assuming 1/0 (or True/False) as values.
(
The path to call the transfer block is:
Application.Tree.FindNode("\Data\Flowsheeting Options\Transfer\T1")
)

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回答（1 个）

Anagha Mittal
Anagha Mittal 2024-9-12
Hi Angelica,
You may use the COM interface to interact with Aspen Plus using MATLAB. The block properties can be accessed using this interface. To create a COM server, "actxserver" functiona can be used. For more details, please refer to the following link:
https://www.mathworks.com/help/matlab/ref/actxserver.html
The functions to activate and deactivate a block can be found in the example mentioned in the "Functions" section of the following File Exchange link:
https://www.mathworks.com/matlabcentral/fileexchange/69464-aspen-plus-matlab-link
Hope this helps!

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