The ever increasing complexity of embedded systems is driving the change in embedded software development from traditional approaches to model-based design methodology. The model-based design approach provides a number of benefits such as reducing software development time and cost, improving software quality through computationally intensive modeling, and real-time verification. This paper presents model-based embedded system design using a rapid prototyping system called Mototron. Models for individual components and the control strategies are developed in a simulation environment with MotoHawk, Simulink, and Stateflow software tools. The developed control algorithms and parameters are then tested using a calibration tool (MotoTune) that is connected to embedded system hardware. An electronic throttle control example is given in the paper to illustrate the major steps of model-based embedded system design using Mototron system.

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