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

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.

[WILLIAN]

Hello, did you find the information anywhere?

[Angelica Liponi]

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")

)

Answer 1

[Anagha Mittal]

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!

[Angelica Liponi]

Thank you Anagha Mittal, however we need the path or the code to activate/deactivate a block, such as a transfer block.