Exporting C++code to Visual Studio using the Simulink model yields incorrect results

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defeat
defeat 2024-5-29
评论： defeat 2024-6-7
I have a Simulink model that includes the Three Phase Breaker module, Three Phase Source module, and Switch module. After exporting C++code using Simulink coder and running it in visual studio 2022, the results are inconsistent with those running in Simulink.The Matlab version used is 2023a.
  2 个评论
defeat
defeat 2024-6-4
Thank you very much for your interest in this issue, so far we have got the reason why this error occurred.Since we use a three-phase source in the simulink model and set variables at the phase voltage of the three-phase source, when the code is generated, the variable representing the amplitude of the three sources in the code is assigned a fixed value. Therefore, the generated code is based on a simulnik model, so when we change the values of these variables in visual studio, we do not get the correct result.

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回答（1 个）

UDAYA PEDDIRAJU
UDAYA PEDDIRAJU 2024-6-4
Hi Defeat,
Can you try the following solutions?
  • Use a parameterizable Three Phase Source block to define voltages as parameters adjustable in Visual Studio.
  • Utilize an external signal source (function/signal) for phase voltages, allowing control in Visual Studio.
  • For advanced needs, consider a custom Simulink Coder block for dynamic voltage control

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