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A Refinement Strategy for Hybrid System Design with Safety Constraints

Zheng Cheng 1 Dominique Méry 2, 3, 4, 1 
1 MOSEL - Proof-oriented development of computer-based systems
LORIA - FM - Department of Formal Methods
2 VERIDIS - Modeling and Verification of Distributed Algorithms and Systems
MPII - Max-Planck-Institut für Informatik, Inria Nancy - Grand Est, LORIA - FM - Department of Formal Methods
Abstract : Whenever continuous dynamics and discrete control interact, hybrid systems arise. As hybrid systems become ubiquitous and more and more complex, analysis and synthesis techniques are in high demand to design safe hybrid systems. This is however challenging due to the nature of hybrid systems and their designs, and the question of how to formulate and reason their safety problems. Previous work has demonstrated how to extend the discrete modeling language Event-B with continuous support to integrate traditional refinement in hybrid system design. In the same spirit, we extend previous work by proposing a strategy that can coherently refine an abstract hybrid system design with safety constraints down to a concrete one, integrated with implementable discrete control, that can behave safely. We demonstrate our proposal on a smart heating system that regulates room temperature between two references, and we share our experience.
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https://hal.inria.fr/hal-03298750
Contributor : Dominique Méry Connect in order to contact the contributor
Submitted on : Friday, July 23, 2021 - 10:18:13 PM
Last modification on : Friday, February 4, 2022 - 1:45:07 PM

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Zheng Cheng, Dominique Méry. A Refinement Strategy for Hybrid System Design with Safety Constraints. MEDI 2021 - 10th International Conference Model and Data Engineering, Jun 2021, Tallinn, Estonia. pp.3-17, ⟨10.1007/978-3-030-78428-7_1⟩. ⟨hal-03298750⟩

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