Sala, Antonio; Pitarch Pérez, Jose Luis(John Wiley & Sons, 2015)
[EN] This note points out that controllers resulting from Corollaries 3.1 and 3.2 and Theorem 3.1 in Saat and
Nguang (Int. J. Robust Nonlinear Control 2013; 10.1002/rnc.3130) do not improve over the open-loop
performance.