Modern automotive systems—electric powertrains, brake-by-wire modules, adaptive cruise control, and emerging automated-driving features—depend on millions of lines of embedded code that must run deterministically on resource-constrained microcontrollers. In a model-based design workflow, engineers first build and validate a control model, then use automatic code-generation tools to convert that model directly into production C code. Processor-in-the-Loop (PIL) testing runs this automatically generated controller code on the real target processor—or on an instruction-accurate virtual replica—while the rest of the vehicle model and test scenarios stay in simulation. Because the code now executes as actual machine instructions, engineers can confirm two critical points well before any prototype electronics exist: that the code still behaves exactly like the verified model and that it finishes every control cycle fast enough to meet real-time deadlines.
0 commit comments