Enhanced approach for energy-efficient trajectory generation of industrial robots. - Christian Hansen; Julian Öltjen; Davis Meike; Tobias Ortmaier (CASE, 2012)

Design and analysis of a head-mounted parallel kinematic device for skull surgery. - Jan-Philipp Kobler; Jens Kotlarski; Julian Öltjen; Stephan Baron; Tobias Ortmaier (Int. J. Comput. Assist. Radiol. Surg., 2012)

On the reduction of vibration of parallel robots using flatness-based control and adaptive inputshaping. - Julian Öltjen; Jens Kotlarski; Tobias Ortmaier (AIM, 2016)

Efficient computation of system-specific motion commands for serial and parallel robots based on differential flatness. - Julian Öltjen; Daniel Beckmann; Jens Kotlarski; Tobias Ortmaier (CASE, 2016)