What is MIL SIL ? Why do we compare MIL and SIL performance of a Simulink (MATLAB) Model?

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Model-based development and verification approaches are highly desirable in the development of safety-critical embedded systems because they help to identify functional and non-function a issues in the early development stage, when verification complexity is relatively lower than that of the implemented systems.

Verification and validation is the backbone of any robust model-based development process. It can be used to check the accuracy of the models and algorithms based on code generated by test hardware and software interactions.
  • Model-in-the-loop (MIL) to verify the accuracy and acceptability using plant model of a control algorithm
  • Software-in-the-loop (SIL) to validate the behavior of the generated C code used in the controller
  • Processor-in-the-loop (PIL) to validate the referenced model by generating production code using the model reference target—this code is cross-compiled for and executed on a target processor or an equivalent instruction set simulator

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