Design of PI Controllers based on Non-Convex Optimization. - Karl Johan Åström; Hélène Panagopoulos; Tore Hägglund (Autom., 1998)

Comments on "Mixed L∞/H∞ suboptimal controllers for SISO continuous time systems". - Bo Bernhardsson; Hélène Panagopoulos (IEEE Trans. Autom. Control., 1998)