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Mode Invariant Modelling
Linköping University, Department of Computer and Information Science. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Agrotechnological Research Institute, The Netherlands.
1995 (English)Report (Other academic)
Abstract [en]

Modelling of physical systems is a difficult task, in particular if mode switching is allowed. Automated support can be supplied, if two conditions are fulfilled. First, a set of suitable qualitative concepts has to be availiable as a tool box for constructing adequate models. Second, powerful computational machinery must handle model complexity. In this paper we introduce both a conceptual basis and a computational algorithm for dealing with mode switching physical systems. Our approach is more effective than current AIbased methods since it is based on general physical principles at the proper level of abstraction, expressed in terms of bond graphs. The latter formalism is extended in order to deal with mode switching. All meaningful causal modes and transitions between modes are derived automatically. A power electronic circuit serves a guiding example.

Place, publisher, year, edition, pages
Linköping: Linköping University , 1995. , 18 p.
LiTH-ISY-R, ISSN 1400-3902 ; 1726
Keyword [en]
Mode transition, Bond graphs, Hybrid systems, Switch
Keyword [sv]
Cybernetik Informationsteori, Matematisk Simulering
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-55243ISRN: LITH-ISY-R-1726OAI: diva2:315896
Swedish Research Council
Available from: 2010-04-29 Created: 2010-04-29 Last updated: 2014-10-07Bibliographically approved

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Department of Computer and Information ScienceThe Institute of TechnologyAutomatic Control
Control Engineering

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ReferencesLink to record
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