Necessary Conditions for θ-Stability of Real Polynomials

被引:0
|
作者
Choo, Younseok [1 ]
机构
[1] Hongik Univ, Dept Elect & Elect Engn, 2639 Sejong Ro, Sejong 30016, South Korea
关键词
3; COEFFICIENTS; INSTABILITY;
D O I
10.1587/transfun.E99.A.1628
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
In this letter we present some easily checkable necessary conditions for a polynomial with positive coefficients to have all its zeros in a prescribed sector in the left half of the complex plane. As an auxiliary result, we also obtain a new necessary condition for the Hurwitz stability. key words: Hurwitz stability, relative stability, theta-stability, necessary conditions
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页码:1628 / 1631
页数:4
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