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Hybrid systems are useful abstractions of embedded controllers. However, they are notoriously very difficult to verify as computation complexity grows quickly with the size of the hybrid system. We address the problem of building in a systematic way a compact representation of a hybrid system obtained by composing hybrid subsystems. This technique can be used as a front-end to any hybrid formal verification...
We present the mathematical formalism and the verification methodology of the contract-based model developed in the framework of the SPEEDS project. SPEEDS aims at developing methods and tools to support ldquospeculative designrdquo, a design methodology in which distributed designers develop different aspects of the overall system, in a concurrent but controlled way. Our generic mathematical model...
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