Technical Report


Properties of Hybrid Systems - a Computer Science Perspective


Author(s): Thomas Stauner
Year: 2000
Number: TUM-I0017
Editor:
CR Classification: C.3, F.3.1
CR General Terms: Theory, Verification
Keywords: hybrid systems, stability, topology, refinement, verification
Abstract:Motivated by the work on hybrid, i.e. mixed discrete and continuous, systems, we introduce a set of important properties of such systems and classify them. For the properties of stability and attraction which are central for continuous systems we discuss their relationship to discrete systems usually studied in computer science. An essential result is that the meaning of these properties for discrete systems vitally depends on the used topologies. Based on the classification we discuss the utility of a notion of refinement which we will use in the future for property preserving transformations of hybrid systems. Finally, two proof rules and some specializations of them are introduced for proving stability and attraction. The rules result from adapting known techniques from systems theory and are applied to small examples.


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BibTeX-Entry:

@techreport{Stauner00b, author = {Thomas Stauner}, title = {Properties of Hybrid Systems - a Computer Science Perspective}, number = {TUM-I0017}, institution = {Technische Univerit\"at M\"unchen}, year = {2000}, url = {http://www4.informatik.tu-muenchen.de/reports/Stauner00b.html}, abstract = {Motivated by the work on hybrid, i.e. mixed discrete and continuous, systems, we introduce a set of important properties of such systems and classify them. For the properties of stability and attraction which are central for continuous systems we discuss their relationship to discrete systems usually studied in computer science. An essential result is that the meaning of these properties for discrete systems vitally depends on the used topologies. Based on the classification we discuss the utility of a notion of refinement which we will use in the future for property preserving transformations of hybrid systems. Finally, two proof rules and some specializations of them are introduced for proving stability and attraction. The rules result from adapting known techniques from systems theory and are applied to small examples.}, CRClassification = {C.3, F.3.1}, CRGenTerms = {Theory, Verification}}