Scheduling Real-time HiL Co-simulation of Cyber-Physical Systems on Multi-core Architectures

Salah Eddine Saidi 1 Nicolas Pernet 1 Yves Sorel 2, 3
1 IFPEN - IFP Energies nouvelles
2 AOSTE2 - Models and methods of analysis and optimization for systems with real-time and embedded contraints
Inria de Paris
3 KOPERNIC - Adapter le raisonnement pire cas à différentes criticités
Inria de Paris
Abstract : When designing complex cyber-physical systems, engineers have to integrate numerical models from different modeling environments in order to simulate the whole system and estimate its global performances. Co-simulation refers to such joint simulation of heterogeneous models. If some parts of the system are physically available, it is possible to connect these parts to the co-simulation in a Hardware-in-the-Loop (HiL) approach. In this case, the simulation has to be performed in real-time where models execution consists in periodically reacting to the real (physically available) components and providing periodic output updates. This paper deals with the parallelization and scheduling of real-time Hardware-in-the-Loop co-simulation of numerical models on multi-core architectures. A method for defining real-time constraints that have to be met is proposed. Also, an ILP formulation as well as a heuristic are proposed to solve the problem of scheduling the co-simulation on a multi-core architecture while satisfying the previously defined real-time constraints. The proposed approach is evaluated for different sizes of co-simulations and multi-core processors.
Keywords : Multi-core Real-time Co-simulation HiL Scheduling
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Conference papers
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https://hal.inria.fr/hal-01887155
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Submitted on : Thursday, October 4, 2018 - 3:32:33 PM
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Salah Eddine Saidi, Nicolas Pernet, Yves Sorel. Scheduling Real-time HiL Co-simulation of Cyber-Physical Systems on Multi-core Architectures. RTCSA2018 - IEEE International Conference on Embedded and Real-Time Computing Systems and Applications, Aug 2018, Hakodate, Japan. ⟨hal-01887155⟩

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