Comparison between different graphical simulation methods in Simulink
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Dear all! To the best of my knowledge, I know three methods that Simulink offers for visual simulations and they are Simscape (Multibody), Simulink 3D Simulation and Unreal Engine Plug-in (and other external software). Please correct or introduce me to others if possible.
Anyway, is there a comparison on which methods are suitable for which purposes?
Currently, I am utilising Simscape Multibody to simulate a UAV swarm. When I tried to import a few CAD model of objects (building, cars, ...) to be the background environment, the compilation took really long (since a CAD file was about 40Mb, I understand why it took time). However, there are some photorealistic UAV example simulations (Unreal Engine) that are available in Simulink and they don't take a long compilation time. I wonder whether to understand a photorealistic simulation environment should be more computationally demanding than Simscape Multibody is correct in the case of Simulink plug-in to Unreal Engine. Let just say all the CAD files and the Unreal Engine scene are in the same size for comparison.
Another thing, are there instructions on how to import a custom UAV in the simulation with Unreal Engine?
Thank you very much for your answer!
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Jianxin Sun
2023-2-2
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Hi Hoang,
The following documentation should help you get started with customizing the Unreal scene and UAV:
Scene customization: https://www.mathworks.com/help/uav/ug/customize-3d-scenes-for-automated-driving.html
UAV customization: https://www.mathworks.com/help/uav/ug/prepare-custom-vehicle-mesh-for-the-unreal-editor.html#mw_f38d2bb5-7f57-4f5c-a903-3e96c39bcbc7
The Unreal Simulation performance depends on the sensors you want to simulate. If you only use it as a visualization tool, the performance should be able to achieve 30 FPS if your system meets the hardware requirement.
Thanks,
Jianxin
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