A Qualitative Comparison of Two Hybrid DEVS Approaches

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A Qualitative Comparison of Two Hybrid DEVS Approaches
Autor Christina Deatcu, Thorsten Pawletta
In: Simulation Notes Europe
Ausgabe 22(1)
ISBN/ISSN: 2306-0271, doi: 10.11128/sne.22.tn.10107
Erscheinungsjahr 2012
Seitenzahl 10
Hyperlink http://www.sne-journal.org/fileadmin/user_upload/tx_pubdb/sne_22_1_webres_01.pdf


A hybrid system is defined as a system with mixed discrete event and continuous parts. Two approaches for modeling and simulation of hybrid systems in the context of the Discrete EVent System Specification (DEVS) formalism are compared. Since the system theoretic DEVS approach has been introduced during the 1970ies, it has been completed by different extensions. The hybrid extensions checked against each other here, are the Quantized State Systems (QSS) method and a wrapper concept based on traditional ODE solvers. For a comparison from engineering practice point of view, these two hybrid DEVS approaches are analyzed within the scientific and technical computing environment MATLAB.