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Applications of Gröbner Bases to Nonlinear Systems
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1991 (English)Report (Other academic)
Abstract [en]

Some problems within nonlinear control theory are stated and solved using so called Groebner bases from commutative algebra. The first problem is the one of stability and performance robustness of nonlinear systems subject to structured uncertainty. It is assumed that a Lyapunov function is given, and the quality of the solution depends on this Lyapunov function. It is also indicated how the robustness problem can be reinterpreted in different ways, e.g. in terms of controller design. The second problem is the one of finding a differential equation connecting the input and the output of a system starting from a state space description of it. In all cases the nonlinearities are required to be of polynomial type. The methods suggested are illustrated with concrete examples.

Place, publisher, year, edition, pages
Linköping: Linköping University , 1991.
LiTH-ISY-I, ISSN 8765-4321 ; 1180
Keyword [en]
Nonlinear control systems, Commutative algebra, Lyapunov theory, Stability robustness, Performance robustness, State space equations, Input-output equation
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-55339OAI: diva2:316042
Available from: 2010-04-29 Created: 2010-04-29 Last updated: 2013-07-28

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Automatic ControlThe Institute of Technology
Control Engineering

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ReferencesLink to record
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