On robustness of Lurie systems with multiple non-linearities

Multivariable feedback design: Concepts for a classical/modern synthesis

John C. Doyle, G. Stein · IEEE Transactions on Automatic Control · 1981 · 2.2K citations

Engineering, Systems Engineering, Systems Design +12

Gain and phase margin for multiloop LQG regulators

Michael G. Safonov, Michael Athans · IEEE Transactions on Automatic Control · 1977 · 559 citations

Engineering, Systems Engineering, Dynamical Systems +12

Robustness results in linear-quadratic Gaussian based multivariable control designs

N. Lehtomaki, N. Sandell, Michael Athans · IEEE Transactions on Automatic Control · 1981 · 537 citations

Engineering, Mathematics, Systems Engineering +15

Feedback properties of multivariable systems: The role and use of the return difference matrix

Michael G. Safonov, Alan J. Laub, G. L. Hartmann · IEEE Transactions on Automatic Control · 1981 · 531 citations

Engineering, Mathematics, Optimization +16

On absolute stability and the aizerman conjecture

Ljubomir T. Grujić · Automatica · 1981 · 45 citations

Natural Sciences, Mathematics, Dynamical Systems +12