H. Ludvigsen

On global properties of passivity-based control of an inverted pendulum

Olav Egeland, Anton S. Shiriaev, Alexander Yu. Pogromsky, 2000 .

Swinging up the spherical pendulum via stabilization of its first integrals

Olav Egeland, Anton S. Shiriaev, H. Ludvigsen, 2004, Autom..

VSS-version of energy-based control for swinging up a pendulum

Alexander L. Fradkov, Olav Egeland, Anton S. Shiriaev, 2001, Syst. Control. Lett..