Seminars Organized by the LE2I

2017

Date Hour Room Details
September 21th 14.00 Belfort Dr. Benjamin Camus
DEVS wrapping of the FMI standard for the co-simulation of Cyber-Physical Systems in MECSYCO
Most modeling and simulation (M&S) questions about cyber-physical systems (CPS) require expert skills belonging to different scientific fields. The challenges are then to integrate each domain tool (formalism and simulation software) within the rigorous framework of M&S process. To answer this issue, we proposed the specifications of the MECSYCO co-simulation middleware. MECSYCO relies on the universality of the DEVS formalism to integrate models written in different formalisms. This integration is based on a wrapping strategy in order to make models implemented with different simulation software interoperable. So far, we successfully defined DEVS wrappers for discrete modeling tools like the MAS simulator NetLogo, and the IP network simulators NS-3 and OMNeT++/INET. Aside from several difficulties met at the software level, making these discrete modeling tools compliant with the DEVS simulation protocol was a straightforward process. This is due to the fact that these platforms have a discrete modeling paradigm very close to DEVS. However, things getting more complex with equation-based tools as their continuous modeling paradigm is very different from the discrete DEVS one. Thus, we need to bridge the gap between the discrete and the continuous paradigms. A more complex wrapping strategy based on the hybrid capacity of DEVS is required. Regarding this issue, wrapping each of these equation-based tools (e.g. OpenModelica, Dymola, Matlab/Simulink) separately would be very inefficient. In this talk, I will detail how we tackle this issue by defining DEVS wrappers for the FMI standard which brings a generic API to manipulate equation-based models and their solvers. We perform this wrapping using the DEV&DESS hybrid formalism and the QSS numerical method. The DEVS wrapping of FMI we propose is not restricted to MECSYCO but can be performed in any DEVS-based platform.
June 8th 14.00 Belfort Pr. Ansar Yasar
Title to be defined
May 4th 14.00 Meeting Room, Building D, Belfort Pr. Vincent Chevrier
Mecsyco: Multi-agent Environment for the Co-simulation of COmplex systems
Most modeling and simulation (M&S) questions about complex systems require to take simultaneously account of several points of view. Phenomena evolving at different scales and at different levels of resolution have to be considered. Moreover, expert skills belonging to different scientific fields are needed. The challenges are then to reconcile these heterogeneous points of view, and to integrate each domain tools (formalisms and simulation software) within the rigorous framework of the M&S process.

This talk will present the mecsyco co-simulation middleware (mecsyco.com). Mecsyco r elies on the universality of the DEVS formalism to integrate models written in different formalism. This integration is based on a wrapping strategy in order to make models implemented in different simulation software inter-operable. The middleware performs the co-simulation in a parallel, decentralized and distributable fashion thanks to its modular multi-agent architecture.

March 16th 14.00 Meeting Room, Building D, Belfort Stéphane GALLAND
SARL - Agent-oriented Programming Language

SARL is a general-purpose agent-oriented language. It aims at providing the fundamental abstractions for dealing with concurrency, distribution, interaction, decentralization, reactivity, autonomy and dynamic reconfiguration. These high-level features are now considered as the major requirements for an easy and practical implementation of modern complex software applications, and specifically agent-oriented programming. This talk will introduce you to the advances of the SARL agent programming languages, and provides several examples of usages.

SlidesPDF

2014

Date Hour Details
February 6th 9.30 Sebastian Rodriguez, Nicolas GAUD
SARL - Agent-oriented Programming Language

2013

Date Hour Details
November 14th 14.00 Vincent HILAIRE
OpenModelica, un langage ad-hoc pour la simulation
SlidesPDF
September 27th 09.00-18.00 Agent Group Workshop
June 14th 10.00 Luk Knapen (IMOB, Hasselt, Belgium)
Carpooling Model.
SlidesPDF
March 10th 10.00 Olivier Boissier (EMSE, Saint-Etienne, France)
Multiagent-oriented programming

2012

Date Hour Details
January 31th 14.30 Michael Schumacher (Applied Intelligent Systems Laboratory, Sierre, Switzerland)
Medical and Smart-grid applications at AIS Lab.

2011

Date Hour Details
February 15th 14.00 Gildas Morvan (LGI2A Laboratory, Béthune, France)
Multilevel simulation and its applications.
SlidesPDF
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