The model has changed between the time when two instances of this model were compiled. This is not allowed for models referenced in Normal Mode.
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Xu Yuan
el 9 de Oct. de 2020
Comentada: Xu Yuan
el 21 de Oct. de 2020
Hi Guys, I got a problem, I follow the instruction of Dr. Graham Dudgeon to do the large scale modelling, I am trying to do it in Matlab 2020a, it includes Model reference by using Simscape Power System (ST). When I run the model, it shows error 'The model has changed between the time when two instances of this model were compiled. This is not allowed for models referenced in Normal Mode.' It was strange because I did not use any random parameters int the reference model. Then I gradually delate element for testing in the reference model, and I found the issue was from the signal conversion block (because the model reference cannot take the physical signal as an input, so I have to convert the signal type). By delating the conversion block, the error disappear (the signal conversion block was copied from the Sample model made by Dr Graham). There is no random elements in the signal conversion block as well, why this error reports to that one?
The following picture is the diagram of conversion block.
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Joel Van Sickel
el 15 de Oct. de 2020
Hello Xu,
since the model was copied and that is cauisng the problem, I would try to build the model conversion block by hand. It's possible that in copying it, something went wrong,especially if it was from an older version. If that doesn't work, can you share the model?
Regards,
Joel
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Joel Van Sickel
el 20 de Oct. de 2020
Hello Xu,
it looks like you can't use multiple instances of the same model reference with specialized power systems included. (at least with what I've tried so far) You can create multiple copies of the same model reference and it should work. I realize this is not ideal, but it will get you moving forward again. This means you would need a son1.slx and a son2.slx and have a seperate model reference for each of them.
Regards,
Joel
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