2009 10th European Control Conference, ECC 2009, Budapest, Macaristan, 23 - 26 Ağustos 2009, ss.561-566, (Tam Metin Bildiri)
© 2009 EUCA.In this paper, two methods for calculating all robustly stabilizing PI controllers for continuous time single-input single-output linear time invariant systems with multiplicative uncertainties are given. The first method which is based on parameter space approach is a geometric oriented method. The second method utilizes a generalization of Nyquist stability criterion.