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A Frequency-Domain Robust Instability Criterion for Time-Varying and Non-Linear Systems
University of Newcastle, Australia.
University of Newcastle, Australia.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1992 (English)Report (Other academic)
Abstract [en]

This paper presents an instability version of an earlier result on robust stability analysis using a modified Nyquist plot. The result is shown to be useful for presenting robust stability and instability margins for feedback systems.

Place, publisher, year, edition, pages
Keyword [en]
Robust instability, Time varying systems, Nonlinear systems, Circle criterion, Nyquist criterion
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-55208OAI: diva2:315947


Available from: 2010-04-29 Created: 2010-04-29 Last updated: 2013-07-29

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Isaksson, Alf
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Automatic ControlThe Institute of Technology
Control Engineering

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ReferencesLink to record
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