Title :
On strict positive realness of interval plants
Author :
Marquez, H.J. ; Diduch, C.P.
Author_Institution :
Dept. of Electr. Eng., New Brunswick Univ., Fredericton, NB, Canada
fDate :
8/1/1993 12:00:00 AM
Abstract :
A new necessary and sufficient condition is derived for the strict positive realness of a shifted cascade combination of an interval plant and a multiplier. The new result reduces the computational requirements by 50% in comparison with previous results
Keywords :
control system analysis; feedback; polynomials; stability; transfer functions; SPR transfer functions; computational requirement reduction; feedback system; interval plants; multiplier; necessary sufficient condition; real polynomials; shifted cascade combination; stability analysis; strict positive realness; Adaptive systems; Circuit stability; Circuit theory; Feedback; Polynomials; Stability analysis; Sufficient conditions; Transfer functions; Uncertainty;
Journal_Title :
Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on
