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A New Framework for the Simulation of Equation-Based Models with Variable Structure

Zimmer, Dirk (2013) A New Framework for the Simulation of Equation-Based Models with Variable Structure. Simulation-Transactions of the Society for Modeling and Simulation International, 89 (8), pp. 935-963. SAGE Publications. DOI: 10.1177/0037549713484077 ISSN 0037-5497

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Official URL: http://sim.sagepub.com/content/89/8/935

Abstract

Many modern models contain changes that affect the structure of their underlying equation system, e.g. the breaking of mechanical devices or the switching of ideal diodes. The modeling and simulation of such systems in current equation-based languages frequently poses serious difficulties. In order to improve the handling of variable-structure systems, a new modeling language has been designed for research purposes. It is called Sol and it caters to the special demands of variable-structure systems while still representing a general modeling language. This language is processed by a new translation scheme that handles the differential-algebraic equations in a highly dynamic fashion. In this way, almost arbitrary structural changes can be processed. In order to minimize the computational effort, each change is processed as locally as possible, preserving the existing computational structure as much as possible. Given this methodology, truly object-oriented modeling and simulation of variable-structure systems is made possible. The corresponding process of modeling and simulation is illustrated by two examples from different domains.

Item URL in elib:https://elib.dlr.de/84021/
Document Type:Article
Title:A New Framework for the Simulation of Equation-Based Models with Variable Structure
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Zimmer, DirkDirk.Zimmer (at) DLR.deUNSPECIFIED
Date:27 August 2013
Journal or Publication Title:Simulation-Transactions of the Society for Modeling and Simulation International
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:89
DOI :10.1177/0037549713484077
Page Range:pp. 935-963
Publisher:SAGE Publications
ISSN:0037-5497
Status:Published
Keywords:variable-structure systems equation-based modeling differential-algebraic equations index reduction
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems & Cabin (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of System Dynamics and Control > Aircraft System Dynamics
Deposited By: Zimmer, Dirk
Deposited On:30 Sep 2013 11:11
Last Modified:06 Sep 2019 15:21

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