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Worst-case modeling and simulation of an automotive throttle in VHDL-AMS

This paper details the development of a virtual prototype for an automotive electro-mechanical subsystem -the throttle as used in an engine management function. This is applied to assess the subsystem on a virtual platform, i.e. through simulation. Special emphasis is on the modeling methodology necessary to accomplish sufficient precision and performance at a time. Moreover, the interaction of mechanics, electronics and thermal processes is illustrated. The model is validated by comparison with measurements. Last but not least, it is shown, how worst-case modeling extends the simulation coverage with regard to fabrication-induced component property variations.