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Guardian Maps and the Generalized Stability of Parametrized Families of Matrices and Polynomials

dc.contributor.authorSaydy, Lahcenen_US
dc.contributor.authorTits, Andreen_US
dc.contributor.authorAbed, Eyad H.en_US
dc.description.abstractThe generalized stability of families of real matrices and polynomials is considered. (Generalized stability is meant in the usual sense of confinementof matrix eigenvalues or polynomial zeros to a prespecified domain in the complex plane, and includes Hurwitz and Schur stability as special cases.)<p>"Guardian maps" and "semiguardian maps" are introduced as a unifying tool for the studyof this problem. Basically these are scalar maps that vanish when theirmatrix or polynomial argument loses stability. Such maps are exhibited for a wide variety of cases of interest corresponding to a generalized stability with respect to domains of the complex plane. <p>In the case of one- and two-parameter families of matrices or polynomials, concise necessary and sufficient conditions for generalized stability arederived. For the general multiparameter case, the problem is transformedinto one of checking that a given map is nonzero for the allowedparameter values.<p><p><I>Note: This is TR 88-69-r1. A previous version of this report, TR 88-69, had a different title. </I><p>en_US
dc.format.extent1404627 bytes
dc.relation.ispartofseriesISR; TR 1988-69en_US
dc.subjectlinear systemsen_US
dc.subjectrobust controlen_US
dc.subjectIntelligent Control Systemsen_US
dc.titleGuardian Maps and the Generalized Stability of Parametrized Families of Matrices and Polynomialsen_US
dc.typeTechnical Reporten_US

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