An error occurred in the Simulink and UnrealEngine 5.3 co-simulation

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香露
香露 2025-3-12
评论： Nishan Nekoo 2025-3-13
I configured the requirements for co-simulation in version 2024b according to the documentation, but when I tested with the official example, it couldn't be simulated normally, and as soon as I ran the model, it showed up in Unrealengine and clicked play, but it kept loading.
Finally, the "3D Simulation engine interface read error." pops up.

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回答（1 个）

Nishan Nekoo
Nishan Nekoo 2025-3-12
Hello! Please ensure you are following all the instructions to download and set up the support package carefully: https://www.mathworks.com/help/vdynblks/ug/customize-3d-scenes-for-vehicle-dynamics-simulations.html
This seems to point to an issue in the co-simulation interface. You mentioned that "it kept loading" - do you mean that Simulink was stuck in "initialization" or do you mean something else?
Here's a few troubleshooting steps to try for this issue:
  1. Restart your PC
  2. Ensure that Unreal Editor is opened using the "Open Unreal Editor" button in the Simulation 3D Scene Configuration block.
  3. Try running the co-simulation with a blank model containing only the Simulation 3D Scene Configuration block.
Let me know if this helps resolve the issue!
Nishan
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香露
香露 2025-3-13
Good news for you, I successfully joined forces with Unreal Engine by removing two invalid modules from the Unreal Engine Blueprint level.
Nishan Nekoo
Nishan Nekoo 2025-3-13
I'm glad that your issue is resolved! Can you provide any information about which invalid modules you had to remove from the Blueprint level?
Nishan

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