Apply Functional Mock-up Units by Using Simulink Real-Time

After you create a model that contains an FMU block, you can build and download the model to a target computer by using Simulink^® Real-Time™. These limitations apply:

• Simulink Real-Time supports FMU blocks for Co-Simulation mode. Simulink Real-Time does not support FMU blocks for Model Exchange mode.

• Simulink Real-Time does not support FMU blocks within a referenced model. FMU blocks must be at the top level of the model.

• Simulink Real-Time generates a mask dialog box that contains both numeric-valued and string-valued parameters. Simulink Real-Time generates code for only numeric- valued parameters.

To convert a Simulink model that contains FMU blocks to a Simulink Real-Time model, set the model configuration parameters to values compatible with real-time execution:

• In the Code Generation pane, set System target file to slrealtime.tlc.

• In the Solver pane:

  • Set Type to Fixed-step.

  • Set Fixed-step size to a step size compatible with the real-time requirements of your model.

• Generate a shared object SO file by using the QNX^® Neutrino^® tools for the FMU. For more information, see slrealtime.fmu.compileFMUSources.

You can then build and download the model to a target computer and run the real-time application. This process loads the required FMU binary files on the target computer. For more information about creating the FMU files, see Compile Source Code for Functional Mock-up Units.

To open an example model that contains FMU blocks running in Simulink Real-Time, in the MATLAB^® Command Window, type:

open_system(fullfile(matlabroot, 'toolbox', 'slrealtime', ...
'examples', 'slrt_ex_vanderpol'))