A new approach to the study of parameter insensitivity. - C. Gori-Giorgi; Osvaldo Maria Grasselli (Autom., 1975)

Output regulation of a class of bilinear systems under constant disturbances. - Osvaldo Maria Grasselli; Alberto Isidori; Fernando Nicolò (Autom., 1979)

Disturbance localization by measurement feedback for linear periodic discrete-time systems. - Osvaldo Maria Grasselli; Sauro Longhi (Autom., 1988)

Invariant Zeros of Series Connections of Linear Systems. - Osvaldo Maria Grasselli; Sauro Longhi (Modelling the Innovation, 1990)

Input and output decoupling zeros of linear periodic discrete-time systems. - Osvaldo Maria Grasselli; Sauro Longhi (Kybernetika, 1991)

Robust tracking and performance for multivariable systems under physical parameter uncertainties, . - Osvaldo Maria Grasselli; Sauro Longhi; Antonio Tornambè (Autom., 1993)

On the derivation of a state-space model of a periodic process described by recurrent equations. - Osvaldo Maria Grasselli; Sauro Longhi; Antonio Tornambè (Kybernetika, 1993)

Robust continuous-time tracking and regulation for multirate sampled-data systems. - Osvaldo Maria Grasselli; Sauro Longhi; Antonio Tornambè (Kybernetika, 1994)

On obtaining the time-invariant associated system of a periodic system through system equivalence. - Osvaldo Maria Grasselli; Sauro Longhi; Antonio Tornambè (Kybernetika, 1995)

Robust output regulation and tracking for linear periodic systems under structured uncertainties. - Osvaldo Maria Grasselli; Sauro Longhi; Antonio Tornambè; Paolo Valigi (Autom., 1996)

Robust ripple-free regulation and tracking for parameter-dependent sampled-data systems. - Osvaldo Maria Grasselli; Sauro Longhi; Antonio Tornambè; Paolo Valigi (IEEE Trans. Autom. Control., 1996)

Robust ripple-free output regulation and tracking under structured or unstructured parameter uncertainties. - Osvaldo Maria Grasselli; Laura Menini; Paolo Valigi (Robustness in Identification and Control, 1998)

Output Regulation, Tracking and Nominal Decoupling with Stability for Uncertain Linear Periodic Systems. - Osvaldo Maria Grasselli; Laura Menini; Paolo Valigi (Eur. J. Control, 1999)

Continuous-time input-output decoupling for sampled-data systems. - Osvaldo Maria Grasselli; Laura Menini (Kybernetika, 1999)

Linear periodic control for strong ρ-stabilization with infinite gain margin. - Sergio Galeani; Osvaldo Maria Grasselli; Laura Menini (ACC, 2000)

Periodic systems largely system equivalent to periodic discrete-time processes. - Osvaldo Maria Grasselli; Sauro Longhi; Antonio Tornambè (Kybernetika, 2001)

Discussion on: "Computation of Kalman Decompositions of Periodic Systems". - Sergio Galeani; Osvaldo Maria Grasselli; Sauro Longhi (Eur. J. Control, 2004)