Browse Publications Technical Papers 2006-01-1269
2006-04-03

Integrating Hardware and Embedded Software into a Virtual Prototype of an Electronic Throttle 2006-01-1269

The decentralized design environment that has become common practice in automotive electronics poses an especially difficult challenge to product design. Hardware and software teams may span both organizational and geographic boundaries. This makes it impractical to share a common laboratory facility for component testing and system integration. Simulation models can be shared across these boundaries but to serve as a prototyping alternative these simulations must model the hardware in detail and must execute the software.
This paper presents such a virtual prototype using VHDL-AMS to model the hardware and to implement a micro-controller model that executes the software with accurate timing. An electronic throttle subsystem is simulated to demonstrate how the virtual prototype can be used to assess hardware/software interactions, verify compliance of the component designs with specifications, and optimize the trade-offs between numerical precision and software timing.

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