How to perform SIL/MIL Testing for Variant Subsystem block?

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How is it possible to test variant control block, subsystem, array for SIL/MIL testing?

Accepted Answer

MathWorks Support Team
MathWorks Support Team on 19 Oct 2021
Edited: MathWorks Support Team on 19 Oct 2021
Refer to the model “slexVariantVnVWorkflow” which provides an example of a Variant subsystem. You can find this at the following documentation link:
  • The Variant Subsystem shown in the model has two choices :
  • Open Simulink Test Manager, and click on "New → Equivalence Test"
  • Create Parameter Sets
1) Create parameter sets and add the variant control variable with the respective value. Each parameter set aligns with a specific variant control value.
2) In the above example,there are two parameter sets corresponding to the variant control expressions speedConfig = 1 and speedConfig = 2.
3) For Simulation #1 (Normal mode):
4) For Simulation #2 (SIL mode):
5) Create Iterations and run test:

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