Changing Simscape Block Properties during simulation

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Christian
Christian el 14 de En. de 2014
Comentada: Christian el 16 de En. de 2014
Hi MATLAB Community, I'm trying to build a thermal model using Simscape Blocks. During the simulation I'm constantly calculating the heat transfer constant (htc) and want to use this calculated constant for my convection blocks. I tried to export the htc as variable into Workspace and use this variable in the convection blocks but it seems like the block only queries the variables when the simulation starts.
Does someone know how I could solve this problem?
I'm using Simulink 2011b so unfortunately the thermal liquid library isn't available.
Thanks in advance Christian
  1 comentario
Christian
Christian el 15 de En. de 2014
It seems like this problem is much bigger than I thought. Does no one have an idea for a workaround?

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Respuesta aceptada

Christian
Christian el 16 de En. de 2014
Using the Custom Block worked well.
Thanks Christian

Más respuestas (1)

Ryan G
Ryan G el 15 de En. de 2014
Depending on your implementation this may work (post a picture of what you've got or upload a model for better answer).
You can use a lookup table (see physical signals library) connected to an inport of a custom simscape block that performs this calculation. Often, with simscape, you can view the block source. This allows you to customize a block beyond than what the default does.
Which block is giving you this problem right now?
  2 comentarios
Christian
Christian el 15 de En. de 2014
Editada: Christian el 16 de En. de 2014
hi I wanted to change the heat transfer coefficient in a convectiv heat transfer block but I may have found a solution I already googled a lot but now i found somehthing ( CostumeBlock ) I'm going to test it tomorrow
Christian
Christian el 16 de En. de 2014
Thanks for your Answer. I'm going to test your way for times when there isn't a ready to download custom block.

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