Robust task-space control of hydraulic robots. - Oliver T. Becker; Ingo T. Pietsch; Jürgen Hesselbach (ICRA, 2003)

How to reach the dynamic limits of parallel robots? An autonomous control approach. - Ingo T. Pietsch; Mathias Krefft; Oliver T. Becker; Carlos Cezar Bier; Jürgen Hesselbach (IEEE Trans Autom. Sci. Eng., 2005)