Robust gain and phase margins for interval uncertain systems

The dual problem of robust gain and phase margins for interval systems given in transfer function form is solved in this paper. Through the introduction of "virtual compensator" in the forward loop, the problem is converted to that of robust stability of real and complex interval polynomia...

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Bibliographic Details
Published inProceedings of Canadian Conference on Electrical and Computer Engineering pp. 349 - 352 vol.1
Main Authors Argoun, M.B., Bayoumi, M.M.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1993
Subjects
Equations
Frequency
Gain measurement
Phase measurement
Polynomials
Robust stability
Robustness
Testing
Transfer functions
Uncertain systems
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Summary:The dual problem of robust gain and phase margins for interval systems given in transfer function form is solved in this paper. Through the introduction of "virtual compensator" in the forward loop, the problem is converted to that of robust stability of real and complex interval polynomials. Robust stability of these polynomials is tested using Kharitonov theorem or equivalently, the interlacing frequency bands criterion.< >
ISBN:0780324161
9780780314436
9780780324169
0780314433
DOI:10.1109/CCECE.1993.332328