NASA NTRS · 19860032619
Robust stability under additive perturbations
Abstract
A MIMO linear time-invariant feedback system 1S(P,C) is considered which is assumed to be U-stable. The plant P is subjected to an additive perturbation Delta P which is proper but not necessarily stable. It is proved that the perturbed system is U-stable if and only if Delta P(I + Q x Delta P) exp -1 is U-stable.
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Bhaya, A., Desoer, C. A.. 1985-12-01. Robust stability under additive perturbations. https://ntrs.nasa.gov/citations/19860032619
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