From Simulink To SCADE/Lustre To TTA: A Layered Approach For Distributed Embedded Applications

Designing safety-critical control systems requires a seamless cooperation of tools at several levels - modeling and design tools at the control level, development tools at the software level and implementation tools at the platform level. When systems are distributed, the choice of the platform is even more important and the implementation tools must be chosen accordingly. A tool-box achieving such a cooperation would allow important savings in design and development time as well as safety increases and cost effectiveness.

In the course of several European IST projects - SafeAir, Next-TTA and Rise, such a goal has been progressively approached and partially prototyped. This paper reports the achievements up to now. The developments were based on the following choice of tools at the different levels: Simulink at the control design level, SCADE/Lustre at the software design level and TTA at the distributed platform level. Why such a choice?

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