Title :
Comments on "A note on two methods related to stability robustness of polynomials in a sector (Relative stability)"
Author :
Bozorg, Mohammad ; Nebot, Eduardo M.
Author_Institution :
Dept. of Mech. & Mechatronic Eng., Sydney Univ., NSW, Australia
fDate :
5/1/1997 12:00:00 AM
Abstract :
In this paper, it is shown that the results of the above-mentioned paper (Katbab and Jury, 1993) are incorrect for the case of complex coefficients. A counterexample is provided. An alternative approach is presented for the calculation of sector-stability hypersolids in the coefficient space.
Keywords :
numerical stability; polynomials; coefficient space; complex coefficients; polynomials; relative stability; sector-stability hypersolids; stability robustness; Actuators; Automatic control; Control systems; Navigation; Nonlinear control systems; Nonlinear systems; Polynomials; Robust control; Robust stability; Stability analysis;
Journal_Title :
Automatic Control, IEEE Transactions on
