Robust Stability of Polynomials: New Approach

N. E. Mastorakis
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N. E. Mastorakis: Hellenic Naval Academy

Journal of Optimization Theory and Applications, 1997, vol. 93, issue 3, No 12, 635-638

Abstract: Abstract The problem of the robust stability of a Hurwitz polynomial which is the characteristic polynomial of a discrete-time linear time-invariant system is investigated. A new approach based on the Rouché theorem of classical complex analysis is adopted. An interesting sufficient condition for robust stability is derived. Three examples are included to support the theoretical result.

Keywords: Polynomial theory; robustness; Kharitonov theorem; stability; Hurwitz polynomials; inverse Kharitonov problem; Rouché theorem (search for similar items in EconPapers)
Date: 1997
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DOI: 10.1023/A:1022603415620

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